Edgar Filing: BLACKROCK CORE BOND TRUST

BLACKROCK CORE BOND TRUST

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED

MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number: 811-10543

Name of Fund: BlackRock Core Bond Trust (BHK)

Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809

Name and address of agent for service: John M. Perlowski, Chief Executive Officer, BlackRock Core Bond Trust, 55 East 52^nd Street, New York, NY 10055

Registrant’s telephone number, including area code: (800) 882-0052, Option 4

Date of fiscal year end: 08/31/2016

Date of reporting period: 05/31/2016

Item 1 – Schedule of Investments

Schedule of Investments May 31, 2016 (Unaudited)

BlackRock Core Bond Trust (BHK)

(Percentages shown are based on Net Assets)


Common Stocks — 0.0%		Shares		Value
Oil, Gas & Consumable Fuels — 0.0%
Denbury Resources, Inc. (a)			35,640	$	136,501


Asset-Backed Securities		Par (000)
Asset-Backed Securities — 11.1%
ALM VI Ltd., Series 2012-6A, Class B2R, 3.43%, 7/15/26 (b)(c)	USD		1,000		975,000
Apidos CDO, Series 2012-9AR, Class DR, 4.53%, 7/15/23 (b)(c)			1,400		1,332,055
Apidos CDO XI, Series 2012-11A, Class D, 4.88%, 1/17/23 (b)(c)			1,200		1,154,530
Apidos CLO XIX, Series 2014-19A, Class D, 4.38%, 10/17/26 (b)(c)			1,000		905,655
Ares CLO Ltd., Series 2014-32A, Class C, 4.83%, 11/15/25 (b)(c)			1,250		1,144,804
Ares XXIII CLO Ltd., Series 2012-1AR (b)(c):
Class CR, 3.83%, 4/19/23			4,000		4,014,708
Class DR, 4.78%, 4/19/23			3,000		2,915,637
Atrium CDO Corp., Series 9A, Class D, 4.14%, 2/28/24 (b)(c)			1,500		1,404,533
Babson CLO Ltd., Series 2012-1X, Class B, 3.13%, 4/15/22 (b)			1,000		982,137
Battalion CLO VII Ltd., Series 2014-7A, Class C, 4.53%, 10/17/26 (b)(c)			1,000		810,895
Bowman Park CLO Ltd., Series 2014-1A, Class D2, 4.60%, 11/23/25 (b)(c)			3,000		2,708,683
CenterPoint Energy Transition Bond Co. LLC, Series 2012-1, Class A3, 3.03%, 10/15/25			2,210		2,334,315
CIFC Funding Ltd. (b)(c):
Series 2012-1AR, Class B1R, 4.78%, 8/14/24			1,500		1,456,658
Series 2013-IA, Class B, 3.44%, 4/16/25			1,000		975,230
Series 2014-4A, Class D, 4.03%, 10/17/26			2,000		1,746,184
Series 2015-1A, Class C, 3.64%, 1/22/27			1,000		979,203
Countrywide Asset-Backed Certificates, Series 2006-13, Class 3AV2, 0.59%, 1/25/37 (b)			589		564,166
DCP Rights LLC, Series 2014-1A, Class A, 5.46%, 10/25/44 (c)			3,925		3,868,246
Dryden 34 Senior Loan Fund, Series 2014-34A, Class C, 3.43%, 10/15/26 (b)(c)			1,000		977,317
Ford Credit Floorplan Master Owner Trust, Series 2012-2:
Class B, 2.32%, 1/15/19			490		492,260


Asset-Backed Securities		Par (000)		Value
Asset-Backed Securities (continued)
Ford Credit Floorplan Master Owner Trust, Series 2012-2 (continued):
Class C, 2.86%, 1/15/19	USD		210	$	211,527
Class D, 3.50%, 1/15/19			400		404,090
Galaxy XV CLO Ltd., Series 2013-15A, Class C, 3.23%, 4/15/25 (b)(c)			1,000		973,012
GoldenTree Loan Opportunities IX Ltd., Series 2014-9A, Class D, 4.14%, 10/29/26 (b)(c)			1,000		894,407
Highbridge Loan Management Ltd., Series 5A-2015, Class C1, 3.84%, 1/29/26 (b)(c)			4,000		3,964,811
Limerock CLO III LLC, Series 2014-3A, Class C, 4.23%, 10/20/26 (b)(c)			3,750		3,308,145
Madison Park Funding IX Ltd., Series 2012-9AR, Class DR, 4.48%, 8/15/22 (b)(c)			1,200		1,140,467
Madison Park Funding XV Ltd., Series 2014-15A, Class B1, 3.88%, 1/27/26 (b)(c)			1,800		1,802,164
Nelnet Student Loan Trust, Series 2006-1, Class A5, 0.76%, 8/23/27 (b)			990		970,040
Neuberger Berman CLO XVIII Ltd., Series 2014-18A, Class C, 4.38%, 11/14/25 (b)(c)			2,250		1,997,327
Oaktree EIF II Ltd., Series 2015-B1A, Class C, 3.73%, 2/15/26 (b)(c)			1,000		949,931
Octagon Investment Partners XX Ltd., Series 2014-1A (b)(c):
Class C, 3.43%, 8/12/26			750		727,195
Class D, 4.28%, 8/12/26			1,000		927,935
Octagon Investment Partners XXI Ltd., Series 2014-1A, Class C, 4.28%, 11/14/26 (b)(c)			2,000		1,805,543
Octagon Investment Partners XXII Ltd., Series 2014-1A, Class C1, 3.89%, 11/25/25 (b)(c)			2,000		1,988,296
OneMain Financial Issuance Trust (c):
Series 2015-1A, Class D, 6.63%, 3/18/26			1,075		1,050,084
Series 2015-2A, Class C, 4.32%, 7/18/25			5,000		4,764,130
Series 2015-2A, Class D, 5.64%, 7/18/25			2,500		2,386,590
OZLM Funding III Ltd., Series 2013-3A (b)(c):
Class B, 3.74%, 1/22/25			1,500		1,483,134
Class C, 4.54%, 1/22/25			500		470,041



BLACKROCK CORE BOND TRUST	MAY 31, 2016	1


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Asset-Backed Securities	Par (000)			Value
Asset-Backed Securities (continued)
OZLM VII Ltd., Series 2014-7A, Class C, 4.23%, 7/17/26 (b)(c)		USD	470	$	415,232
OZLM VIII Ltd., Series 2014-8A, Class C, 4.13%, 10/17/26 (b)(c)			1,750		1,533,302
Regatta V Funding Ltd., Series 2014-1A, Class C, 4.09%, 10/25/26 (b)(c)			2,000		1,751,155
SLM Private Credit Student Loan Trust, Series 2004-B, Class A2, 0.83%, 6/15/21 (b)			77		76,549
SLM Private Education Loan Trust, Series 2012-A, Class A1, 1.83%, 8/15/25 (b)(c)			118		118,298
SLM Student Loan Trust (c):
Series 2012-A, Class A2, 3.83%, 1/17/45			690		717,071
Series 2014-A, Class B, 3.50%, 11/15/44			500		487,702
Small Business Administration Participation Certificates, Series 1996-20K, Class 1, 6.95%, 11/01/16			8		8,557
SMB Private Education Loan Trust, Series 2015-C, Class C, 4.50%, 9/17/46 (c)			5,900		5,695,466
Sound Point CLO Ltd., Series 2014-3A, Class D, 4.24%, 1/23/27 (b)(c)			1,250		1,097,995
Steele Creek CLO Ltd., Series 2014-1A, Class C, 3.85%, 8/21/26 (b)(c)			2,500		2,472,375
Stewart Park CLO Ltd., Series 2015-1A, Class D, 4.08%, 4/15/26 (b)(c)			1,000		880,470
Structured Asset Securities Corp., Series 2002-AL1, Class A2, 3.45%, 2/25/32			816		812,228
Symphony CLO Ltd., Series 2012-10AR, Class DR, 4.49%, 7/23/23 (b)(c)			1,000		952,821
Symphony CLO VII Ltd., Series 2011-7A, Class E, 4.23%, 7/28/21 (b)(c)			1,500		1,494,404
Venture XIX CLO Ltd., Series 2014-19A, Class C, 3.93%, 1/15/27 (b)(c)			555		551,870
Voya CLO Ltd., Series 2012-2AR, Class CR, 3.58%, 10/15/22 (b)(c)			1,500		1,481,115


Asset-Backed Securities	Par (000)			Value
Asset-Backed Securities (continued)
World Financial Network Credit Card Master Trust, Series 2012-C, Class C, 4.55%, 8/15/22		USD	2,360	$	2,421,395

					86,929,090
Interest Only Asset-Backed Securities — 0.1%
Sterling Bank Trust, Series 2004-2, Class Note, 2.08%, 3/30/30 (c)			3,597		256,275
Sterling Coofs Trust, Series 2004-1, Class A, 2.36%, 4/15/29			8,117		565,185

					821,460
Total Asset-Backed Securities — 11.2%					87,750,550



Corporate Bonds
Aerospace & Defense — 0.6%
Accudyne Industries Borrower/Accudyne Industries LLC, 7.75%, 12/15/20 (c)			220		182,600
Bombardier, Inc. (c):
7.50%, 3/15/18			42		42,840
5.50%, 9/15/18			196		192,080
6.00%, 10/15/22			89		76,095
7.50%, 3/15/25			200		176,000
KLX, Inc., 5.88%, 12/01/22 (c)			165		162,525
Moog, Inc., 5.25%, 12/01/22 (c)			180		182,925
TransDigm, Inc.:
5.50%, 10/15/20			211		216,011
7.50%, 7/15/21			175		185,337
6.00%, 7/15/22			1,118		1,137,565
6.50%, 7/15/24			198		201,960
6.38%, 6/15/26 (c)(d)			236		236,295
United Technologies Corp., 6.13%, 7/15/38 (e)			1,450		1,903,286

					4,895,519
Air Freight & Logistics — 0.1%
XPO Logistics, Inc.:
7.88%, 9/01/19 (c)			245		254,800
5.75%, 6/15/21		EUR	100		107,450
6.50%, 6/15/22 (c)		USD	625		600,000

					962,250
Airlines — 2.2%
Air Canada Pass-Through Trust, Series 2015-1, Class B, 3.88%, 9/15/24 (c)			1,940		1,872,213
American Airlines Pass-Through Trust:
Series 2013-2, Class A, 4.95%, 7/15/24 (e)			3,958		4,254,828



2	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds		Par (000)		Value
Airlines (continued)
American Airlines Pass-Through Trust (continued):
Series 2015-2, Class A, 4.00%, 9/22/27	USD		1,500	$	1,496,250
Series 2015-2, Class AA, 3.60%, 9/22/27			1,500		1,564,200
Continental Airlines Pass-Through Trust:
Series 2010-1, Class B, 6.00%, 7/12/20			570		598,410
Series 2012-3, Class C, 6.13%, 4/29/18			520		546,000
United Airlines Pass-Through Trust:
4.30%, 2/15/27			3,708		3,935,420
Series 2014-2, Class B, 4.63%, 9/03/22			2,615		2,628,178

					16,895,499
Auto Components — 0.4%
CNH Industrial Finance Europe SA, 2.88%, 5/17/23	EUR		175		192,523
Faurecia, 3.63%, 6/15/23			100		113,908
Fiat Chrysler Finance Europe:
4.75%, 3/22/21			100		120,622
4.75%, 7/15/22			100		121,742
FTE Verwaltungs GmbH, 9.00%, 7/15/20			100		116,828
Goodyear Dunlop Tires Europe BV, 3.75%, 12/15/23			100		115,885
Goodyear Tire & Rubber Co.:
6.50%, 3/01/21	USD		650		681,687
5.00%, 5/31/26			46		46,518
Icahn Enterprises LP/Icahn Enterprises Finance Corp., 4.88%, 3/15/19			652		629,995
Schaeffler Holding Finance BV (f):
(5.75% Cash or 6.50% PIK), 5.75%, 11/15/21	EUR		60		71,486
(6.75% Cash), 6.75%, 11/15/22 (c)	USD		550		606,109

					2,817,303
Automobiles — 0.9%
Ford Motor Co., 4.75%, 1/15/43 (e)			4,255		4,349,767
General Motors Co., 6.25%, 10/02/43			2,506		2,756,422

					7,106,189
Banks — 2.1%
ABN AMRO Bank NV, 5.75% (b)(g)	EUR		200		214,768
Banco de Sabadell SA, 5.63%, 5/06/26			100		112,925


Corporate Bonds		Par (000)		Value
Banks (continued)
Bankia SA, 4.00%, 5/22/24 (b)	EUR		200	$	216,930
Barclays Bank PLC, 3.65%, 3/16/25	USD		4,320		4,188,918
CIT Group, Inc.:
5.50%, 2/15/19 (c)			206		215,270
5.38%, 5/15/20			840		879,900
Commerzbank AG:
7.75%, 3/16/21	EUR		100		134,696
4.00%, 3/23/26			28		32,168
Cooperatieve Rabobank UA:
3.88%, 2/08/22	USD		2,780		3,003,873
3.95%, 11/09/22 (e)			1,500		1,547,012
HSBC Holdings PLC, 6.10%, 1/14/42			610		787,053
Intesa Sanpaolo SpA, 2.86%, 4/23/25	EUR		100		110,222
Santander Holdings USA, Inc., 4.50%, 7/17/25	USD		2,000		2,058,208
Wells Fargo & Co., 3.50%, 3/08/22			2,780		2,945,527

					16,447,470
Beverages — 0.2%
Anheuser-Busch InBev Finance, Inc., 4.90%, 2/01/46			1,320		1,473,549
Horizon Holdings III SASU, 5.13%, 8/01/22	EUR		100		116,689
OI European Group BV, 6.75%, 9/15/20			50		65,507

					1,655,745
Biotechnology — 0.0%
Rapid Holding GmbH, 6.63%, 11/15/20			100		117,385
Building Materials — 0.0%
Buzzi Unicem SpA, 2.13%, 4/28/23			100		111,313
Dry Mix Solutions Investissements SAS, 4.03%, 6/15/21 (b)			100		110,375
HeidelbergCement Finance Luxembourg SA, 3.25%, 10/21/21			64		77,583

					299,271
Building Products — 0.4%
American Builders & Contractors Supply Co., Inc., 5.75%, 12/15/23 (c)	USD		347		360,880
Building Materials Corp. of America, 6.00%, 10/15/25 (c)			380		403,750



BLACKROCK CORE BOND TRUST	MAY 31, 2016	3


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds		Par (000)		Value
Building Products (continued)
CPG Merger Sub LLC, 8.00%, 10/01/21 (c)	USD		520	$	491,400
Masonite International Corp., 5.63%, 3/15/23 (c)			200		209,000
Ply Gem Industries, Inc., 6.50%, 2/01/22			546		543,270
Standard Industries, Inc. (c):
5.13%, 2/15/21			94		97,525
5.50%, 2/15/23			153		157,590
USG Corp.:
9.75%, 1/15/18			500		558,885
5.50%, 3/01/25 (c)			170		180,625

					3,002,925
Capital Markets — 2.3%
CDP Financial, Inc., 5.60%, 11/25/39 (c)			5,890		7,607,500
E*Trade Financial Corp., 4.63%, 9/15/23			275		275,687
Goldman Sachs Group, Inc., 3.75%, 5/22/25 (e)			8,965		9,232,740
Morgan Stanley, 4.00%, 7/23/25			905		951,310

					18,067,237
Chemicals — 0.6%
Axalta Coating Systems US Holdings, Inc./Axalta Coating Systems Dutch Holding BV, 7.38%, 5/01/21 (c)			152		161,014
Chemours Co.:
6.63%, 5/15/23			83		74,493
7.00%, 5/15/25			100		87,687
Dow Chemical Co., 4.13%, 11/15/21			700		760,878
Huntsman International LLC:
4.88%, 11/15/20			101		102,767
5.13%, 4/15/21	EUR		100		114,547
Ineos Finance PLC, 4.00%, 5/01/23			100		108,736
Inovyn Finance PLC, 6.25%, 5/15/21			100		115,298
Methanex Corp., 3.25%, 12/15/19	USD		1,650		1,543,506
Momentive Performance Materials, Inc., 3.88%, 10/24/21			301		240,800
Montichem Holdco 3 SA, 5.25%, 6/15/21	EUR		100		111,488
NOVA Chemicals Corp., 5.25%, 8/01/23 (c)	USD		88		88,220
Platform Specialty Products Corp. (c):
10.38%, 5/01/21			37		37,740
6.50%, 2/01/22			909		807,306
PQ Corp., 6.75%, 11/15/22 (c)			214		223,095


Corporate Bonds		Par (000)		Value
Chemicals (continued)
PSPC Escrow Corp., 6.00%, 2/01/23	EUR		100	$	98,748
WR Grace & Co-Conn (c):
5.13%, 10/01/21	USD		97		100,576
5.63%, 10/01/24			80		84,600

					4,861,499
Commercial Services & Supplies — 0.7%
ADS Waste Holdings, Inc., 8.25%, 10/01/20			166		170,980
ADT Corp.:
3.50%, 7/15/22			255		233,962
4.13%, 6/15/23			110		102,300
Aramark Services, Inc., 5.13%, 1/15/24 (c)			92		95,450
Aviation Capital Group Corp. (c):
4.63%, 1/31/18			1,300		1,330,875
7.13%, 10/15/20			1,800		2,038,500
Brand Energy & Infrastructure Services, Inc., 8.50%, 12/01/21 (c)			214		203,300
Iron Mountain, Inc.:
6.00%, 10/01/20 (c)			175		184,625
6.00%, 8/15/23			80		83,400
Mobile Mini, Inc.:
7.88%, 12/01/20			330		343,200
5.88%, 7/01/24 (c)			267		273,675
Silk Bidco AS, 7.50%, 2/01/22	EUR		100		114,603
United Rentals North America, Inc.:
7.38%, 5/15/20	USD		163		169,520
7.63%, 4/15/22			87		92,546
5.75%, 11/15/24			140		140,350
Verisure Holding AB, 6.00%, 11/01/22	EUR		100		119,332

					5,696,618
Communications Equipment — 0.5%
Alcatel-Lucent USA, Inc., 6.45%, 3/15/29	USD		1,575		1,669,500
CommScope Technologies Finance LLC, 6.00%, 6/15/25 (c)			340		345,950
CommScope, Inc., 4.38%, 6/15/20 (c)			250		257,500
Nokia OYJ, 6.63%, 5/15/39			135		143,437
Zayo Group LLC/Zayo Capital, Inc.:
6.00%, 4/01/23			904		928,860
6.38%, 5/15/25			278		289,120

					3,634,367
Computer Services Software & Systems — 0.0%
Infinity Acquisition LLC/Infinity Acquisition Finance Corp., 7.25%, 8/01/22 (c)			13		11,375



4	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds	Par (000)			Value
Computer Technology — 0.0%
Western Digital Corp., 7.38%, 4/01/23 (c)		USD	129	$	134,160
Construction & Engineering — 0.7%
BlueLine Rental Finance Corp., 7.00%, 2/01/19 (c)			382		322,790
ITR Concession Co. LLC, 4.20%, 7/15/25 (c)			4,000		4,113,024
Safway Group Holding LLC/Safway Finance Corp., 7.00%, 5/15/18 (c)			505		510,050
Swissport Investments SA, 6.75%, 12/15/21		EUR	100		114,881

					5,060,745
Construction Materials — 0.5%
American Tire Distributors, Inc., 10.25%, 3/01/22 (c)		USD	164		142,065
Beacon Roofing Supply, Inc., 6.38%, 10/01/23			313		331,780
HD Supply, Inc.:
7.50%, 7/15/20			962		1,014,910
5.25%, 12/15/21 (c)			1,170		1,231,425
5.75%, 4/15/24 (c)			667		693,680
LKQ Italia Bondco SpA, 3.88%, 4/01/24		EUR	157		181,019
PulteGroup, Inc., 5.50%, 3/01/26		USD	158		161,062
Rexel SA, 3.50%, 6/15/23		EUR	100		113,490

					3,869,431
Consumer Finance — 2.0%
Ally Financial, Inc.:
6.25%, 12/01/17		USD	320		332,800
4.63%, 3/30/25			430		428,925
8.00%, 11/01/31			2,498		2,935,150
Capital One Financial Corp., 4.75%, 7/15/21 (e)			1,935		2,131,946
Corivas Campus Living USG LLC, 5.30%, 7/01/50			5,700		5,953,080
Ford Motor Credit Co. LLC:
8.13%, 1/15/20			1,530		1,817,689
4.25%, 9/20/22			1,600		1,696,119
Navient Corp.:
5.00%, 10/26/20			180		168,300
6.13%, 3/25/24			59		51,975
5.88%, 10/25/24			56		47,880
OneMain Financial Holdings LLC (c):
6.75%, 12/15/19			67		67,670
7.25%, 12/15/21			23		23,115

					15,654,649


Corporate Bonds	Par (000)			Value
Containers & Packaging — 0.5%
Ardagh Packaging Finance PLC, 9.13%, 10/15/20 (c)		USD	1,045	$	1,095,160
Ardagh Packaging Finance PLC/Ardagh Holdings USA, Inc.:
6.75%, 1/31/21 (c)			200		201,500
3.88%, 5/15/21 (b)(c)			200		200,500
4.25%, 1/15/22		EUR	100		113,351
6.75%, 5/15/24			100		112,934
Ardagh Packaging Finance PLC/Ardagh MP Holdings USA, Inc. (c):
4.63%, 5/15/23		USD	271		269,645
7.25%, 5/15/24			435		443,700
Ball Corp.:
4.38%, 12/15/20			152		158,840
5.00%, 3/15/22			120		125,400
4.38%, 12/15/23		EUR	100		120,272
Crown Americas LLC/Crown Americas Capital Corp. IV, 4.50%, 1/15/23		USD	265		267,981
Crown European Holdings SA, 3.38%, 5/15/25		EUR	100		112,344
JH-Holding Finance SA, 8.25%, 12/01/22 (f)			100		118,564
Sappi Papier Holding GmbH, 4.00%, 4/01/23			100		113,491
Sealed Air Corp. (c):
6.50%, 12/01/20		USD	480		547,200
4.88%, 12/01/22			55		56,238
5.13%, 12/01/24			102		104,805
6.88%, 7/15/33			18		18,900

					4,180,825
Diversified Consumer Services — 0.1%
APX Group, Inc.:
6.38%, 12/01/19			32		31,680
8.75%, 12/01/20			75		68,250
Prime Security Services Borrower LLC/Prime Finance, Inc., 9.25%, 5/15/23 (c)			225		234,563
Service Corp. International:
4.50%, 11/15/20			410		420,762
5.38%, 5/15/24			110		113,850

					869,105
Diversified Financial Services — 5.1%
AerCap Ireland Capital Ltd./AerCap Global Aviation Trust:
4.63%, 10/30/20			680		703,800
5.00%, 10/01/21			500		523,750
4.63%, 7/01/22			230		235,750
Aircastle Ltd.:
6.25%, 12/01/19			353		386,094



BLACKROCK CORE BOND TRUST	MAY 31, 2016	5


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds		Par (000)		Value
Diversified Financial Services (continued)
Aircastle Ltd. (continued):
5.00%, 4/01/23	USD		91	$	93,048
Bank of America Corp.:
5.63%, 7/01/20 (e)			2,200		2,458,568
3.30%, 1/11/23			10,000		10,180,580
Deutsche Bank AG, 4.50%, 5/19/26	EUR		100		110,504
FMR LLC, 4.95%, 2/01/33 (c)(e)	USD		2,300		2,441,218
Garfunkelux Holdco 3 SA, 8.50%, 11/01/22	GBP		100		146,486
General Electric Capital Corp., 6.15%, 8/07/37	USD		2,150		2,923,690
General Electric Co.:
6.75%, 3/15/32 (e)			2,500		3,457,782
6.88%, 1/10/39			135		197,582
General Motors Financial Co., Inc., 4.25%, 5/15/23			807		824,748
HSBC Holdings PLC, 6.88% (b)(d)(g)			200		201,500
IntercontinentalExchange Group, Inc., 4.00%, 10/15/23			470		497,824
International Lease Finance Corp.:
8.25%, 12/15/20			150		176,438
5.88%, 8/15/22			320		349,200
Jefferies Finance LLC/JFIN Co-Issuer Corp., 7.38%, 4/01/20 (c)			595		559,300
Moody’s Corp., 4.50%, 9/01/22 (e)			1,800		1,982,714
MSCI, Inc., 5.75%, 8/15/25 (c)			60		63,150
Northern Trust Corp., 3.95%, 10/30/25 (e)			8,000		8,716,224
Reynolds Group Issuer, Inc.:
7.88%, 8/15/19			530		545,237
9.88%, 8/15/19			370		384,337
5.75%, 10/15/20			194		200,063
6.88%, 2/15/21			470		487,625
8.25%, 2/15/21			200		207,760
UBS Group AG, Series ., 6.88% (b)(g)			200		197,099
UniCredit SpA:
6.95%, 10/31/22	EUR		140		179,810
5.75%, 10/28/25 (b)			107		127,008

					39,558,889
Diversified Telecommunication Services — 3.4%
AT&T, Inc.:
6.38%, 3/01/41	USD		520		611,110
5.15%, 3/15/42			1,400		1,458,748
4.75%, 5/15/46			2,710		2,691,531
CenturyLink, Inc., 6.45%, 6/15/21			280		284,200
Frontier Communications Corp.:
7.13%, 3/15/19			115		122,188
7.13%, 1/15/23			50		44,625
7.63%, 4/15/24			205		180,913


Corporate Bonds		Par (000)		Value
Diversified Telecommunication Services (continued)
Frontier Communications Corp. (continued):
6.88%, 1/15/25	USD		721	$	600,232
Level 3 Financing, Inc.:
5.38%, 8/15/22			152		154,280
5.63%, 2/01/23			374		381,947
5.13%, 5/01/23			420		422,100
5.38%, 1/15/24			165		167,921
5.38%, 5/01/25			293		298,186
5.25%, 3/15/26 (c)			223		222,443
SoftBank Group Corp., 5.25%, 7/30/27	EUR		100		116,828
Telecom Italia Capital SA:
6.38%, 11/15/33	USD		70		69,475
6.00%, 9/30/34			265		251,087
7.20%, 7/18/36			105		107,310
Telecom Italia SpA, 3.25%, 1/16/23	EUR		141		165,512
Telecom Italia SpA/Milano, 3.63%, 1/19/24			200		234,987
Verizon Communications, Inc.:
3.50%, 11/01/21 (e)	USD		1,000		1,057,332
6.40%, 2/15/38			6,879		8,389,092
6.55%, 9/15/43			6,751		8,843,412

					26,875,459
Electric Utilities — 5.9%
AES Corp.:
8.00%, 6/01/20			150		175,125
4.88%, 5/15/23			210		207,375
Berkshire Hathaway Energy Co., 6.50%, 9/15/37 (e)			5,515		7,415,441
Cleveland Electric Illuminating Co., 5.95%, 12/15/36			434		465,317
CMS Energy Corp., 5.05%, 3/15/22 (e)			1,832		2,051,856
Duke Energy Carolinas LLC:
6.10%, 6/01/37			640		829,184
6.00%, 1/15/38 (e)			1,675		2,192,903
4.25%, 12/15/41 (e)			750		808,191
Duke Energy Florida LLC, 6.40%, 6/15/38 (e)			770		1,059,936
E.ON International Finance BV, 6.65%, 4/30/38 (c)			3,100		3,578,448
Electricite de France SA, 5.60%, 1/27/40 (c)			2,800		3,194,246
Florida Power Corp., 6.35%, 9/15/37			2,775		3,810,283
Jersey Central Power & Light Co., 7.35%, 2/01/19			490		550,580
Ohio Power Co., Series D, 6.60%, 3/01/33 (e)			3,000		3,732,171
PacifiCorp, 6.25%, 10/15/37 (e)			1,225		1,638,065



6	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds		Par (000)		Value
Electric Utilities (continued)
Public Service Co. of Colorado, Series 17, 6.25%, 9/01/37	USD		2,550	$	3,493,480
Southern California Edison Co.:
5.63%, 2/01/36 (e)			1,300		1,650,565
Series A, 5.95%, 2/01/38			2,175		2,858,911
Southern Co., 3.25%, 7/01/26			1,680		1,699,486
Virginia Electric & Power Co., Series A, 6.00%, 5/15/37 (e)			3,920		5,021,348

					46,432,911
Electrical Equipment — 0.0%
Trionista TopCo GmbH, 6.88%, 4/30/21	EUR		110		128,786
Electronic Equipment, Instruments & Components — 0.1%
CDW LLC/CDW Finance Corp.:
6.00%, 8/15/22	USD		370		388,500
5.00%, 9/01/23			519		521,595
5.50%, 12/01/24			228		234,270

					1,144,365
Energy Equipment & Services — 0.9%
Ensco PLC:
4.70%, 3/15/21			50		39,250
4.50%, 10/01/24			189		118,125
5.20%, 3/15/25			196		130,242
Enterprise Products Operating LLC, 6.13%, 10/15/39 (e)			1,400		1,539,191
EOG Resources, Inc., 2.63%, 3/15/23			3,800		3,715,625
Gates Global LLC/Gates Global Co., 6.00%, 7/15/22 (c)			98		85,970
Genesis Energy LP/Genesis Energy Finance Corp.:
5.75%, 2/15/21			142		132,060
6.75%, 8/01/22			155		147,250
GrafTech International Ltd., 6.38%, 11/15/20			600		399,000
Noble Holding International Ltd.:
4.63%, 3/01/21			25		18,875
6.95%, 4/01/25			65		47,613
Transocean, Inc.:
6.00%, 3/15/18			120		116,400
7.38%, 4/15/18			20		19,475
7.13%, 12/15/21			285		210,187
5.05%, 10/15/22			102		64,260

					6,783,523
Food & Staples Retailing — 0.5%
Albertsons Cos. LLC/Safeway, Inc./New Albertson’s, Inc./Albertson’s LLC, 6.63%, 6/15/24 (c)			177		181,204


Corporate Bonds		Par (000)		Value
Food & Staples Retailing (continued)
Casino Guichard Perrachon SA:
5.98%, 5/26/21	EUR		100	$	128,558
3.31%, 1/25/23			100		117,482
3.25%, 3/07/24			100		115,311
Dollar Tree, Inc., 5.75%, 3/01/23 (c)	USD		1,560		1,647,750
Rite Aid Corp.:
6.75%, 6/15/21			258		271,545
6.13%, 4/01/23 (c)			905		957,038
7.70%, 2/15/27			215		258,538

					3,677,426
Food Products — 0.3%
Acosta, Inc., 7.75%, 10/01/22 (c)			445		429,425
Aramark Services, Inc., 5.13%, 1/15/24			311		322,662
Pinnacle Foods Finance Corp., 5.88%, 1/15/24 (c)			42		44,100
Post Holdings, Inc.:
6.75%, 12/01/21 (c)			68		71,740
7.38%, 2/15/22			288		304,200
7.75%, 3/15/24 (c)			308		334,565
8.00%, 7/15/25 (c)			277		307,470
Smithfield Foods, Inc., 5.88%, 8/01/21 (c)			338		352,365
TreeHouse Foods, Inc., 6.00%, 2/15/24 (c)			89		93,673
WhiteWave Foods Co., 5.38%, 10/01/22			119		127,181

					2,387,381
Forest Products — 0.0%
Darling Global Finance BV, 4.75%, 5/30/22	EUR		100		113,760
JBS USA LLC/JBS USA Finance, Inc., 5.75%, 6/15/25 (c)	USD		167		159,485

					273,245
Gas Utilities — 0.0%
ONEOK, Inc.:
4.25%, 2/01/22			45		40,500
7.50%, 9/01/23			90		92,930

					133,430
Health Care Equipment & Supplies — 0.3%
Crimson Merger Sub, Inc., 6.63%, 5/15/22 (c)			185		151,006
DJO Finance LLC/DJO Finance Corp., 8.13%, 6/15/21 (c)			785		704,538
Fresenius Medical Care US Finance II, Inc., 4.75%, 10/15/24 (c)			165		171,394
Fresenius US Finance II, Inc., 4.50%, 1/15/23 (c)			170		175,100



BLACKROCK CORE BOND TRUST	MAY 31, 2016	7


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds		Par (000)		Value
Health Care Equipment & Supplies (continued)
Kinetic Concepts, Inc./KCI USA, Inc., 7.88%, 2/15/21 (c)	USD		63	$	67,585
Mallinckrodt International Finance SA/Mallinckrodt CB LLC, 5.63%, 10/15/23 (c)			199		187,060
Teleflex, Inc.:
3.88% (g)(h)			100		262,000
5.25%, 6/15/24			170		175,950
4.88%, 6/01/26			64		64,160

					1,958,793
Health Care Providers & Services — 1.4%
Acadia Healthcare Co., Inc.:
5.63%, 2/15/23			456		463,410
6.50%, 3/01/24 (c)			41		42,549
Amsurg Corp., 5.63%, 7/15/22			518		525,770
Centene Escrow Corp. (c):
5.63%, 2/15/21			401		417,040
6.13%, 2/15/24			308		324,364
CHS/Community Health Systems, Inc., 5.13%, 8/15/18			101		102,880
DaVita HealthCare Partners, Inc., 5.13%, 7/15/24			661		669,923
ExamWorks Group, Inc., 5.63%, 4/15/23			145		155,513
HCA, Inc.:
3.75%, 3/15/19			264		271,920
6.50%, 2/15/20			652		717,200
4.75%, 5/01/23			1,632		1,664,640
5.88%, 2/15/26			284		293,940
HealthSouth Corp.:
5.75%, 11/01/24			486		492,682
5.75%, 9/15/25			351		354,510
2.00%, 12/01/43 (h)			225		266,766
Hologic, Inc., 5.25%, 7/15/22 (c)			580		606,825
MEDNAX, Inc., 5.25%, 12/01/23 (c)			134		137,099
MPH Acquisition Holdings LLC, 7.13%, 6/01/24 (c)(d)			204		209,610
RegionalCare Hospital Partners Holdings, Inc., 8.25%, 5/01/23 (c)			252		259,404
Surgery Center Holdings, Inc., 8.88%, 4/15/21 (c)			48		48,240
Tenet Healthcare Corp.:
6.25%, 11/01/18			159		168,143
6.00%, 10/01/20			324		341,010
4.50%, 4/01/21			21		21,131
4.38%, 10/01/21			112		111,160
8.13%, 4/01/22			472		474,950
6.75%, 6/15/23			565		531,100


Corporate Bonds		Par (000)		Value
Health Care Providers & Services (continued)
UnitedHealth Group, Inc., 3.75%, 7/15/25	USD		1,375	$	1,483,336

					11,155,115
Hotels, Restaurants & Leisure — 2.8%
Boyd Gaming Corp., 6.88%, 5/15/23			222		232,767
Caesars Entertainment Resort Properties LLC/Caesars Entertainment Resort Property, 8.00%, 10/01/20			1,696		1,708,720
Cirsa Funding Luxembourg SA, 5.75%, 5/15/21	EUR		100		114,464
CPUK Finance, Ltd., 7.00%, 2/28/20	GBP		100		151,932
ESH Hospitality, Inc., 5.25%, 5/01/25 (c)	USD		590		572,300
GLP Capital LP / GLP Financing II, Inc., 4.38%, 4/15/21			122		125,050
International Game Technology PLC, 4.75%, 2/15/23	EUR		100		116,550
McDonald’s Corp., 3.70%, 1/30/26	USD		510		542,450
MGM Resorts International:
8.63%, 2/01/19			96		108,720
5.25%, 3/31/20			320		331,200
6.75%, 10/01/20			129		140,352
6.63%, 12/15/21			710		765,913
6.00%, 3/15/23			9		9,405
MGP Escrow Issuer LLC/MGP Escrow Co-Issuer, Inc., 5.63%, 5/01/24 (c)			663		696,150
New Red Finance, Inc., 6.00%, 4/01/22 (c)			640		663,200
Pinnacle Entertainment, Inc., 5.63%, 5/01/24 (c)			46		44,965
Pizzaexpress Financing 2 PLC, 6.63%, 8/01/21	GBP		100		144,485
PortAventura Entertainment Barcelona BV, 7.25%, 12/01/20	EUR		100		116,292
Punch Taverns Finance B, Ltd., Series A7, 5.27%, 3/30/24	GBP		64		79,755
RHP Hotel Properties LP/RHP Finance Corp., 5.00%, 4/15/21	USD		500		510,000
Sabre GLBL, Inc. (c):
5.38%, 4/15/23			82		83,845
5.25%, 11/15/23			85		86,806
Scientific Games International, Inc.:
7.00%, 1/01/22 (c)			260		262,600
10.00%, 12/01/22			64		51,840
Six Flags Entertainment Corp., 5.25%, 1/15/21 (c)			434		449,459
Snai SpA, 7.63%, 6/15/18	EUR		100		116,272



8	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds		Par (000)		Value
Hotels, Restaurants & Leisure (continued)
Station Casinos LLC, 7.50%, 3/01/21	USD		570	$	599,925
Unique Pub Finance Co. PLC:
Series A3, 6.54%, 3/30/21	GBP		2,730		4,048,290
Series A4, 5.66%, 6/30/27			1,136		1,620,441
Series M, 7.40%, 3/28/24			3,000		4,199,572
Series N, 6.46%, 3/30/32			2,390		2,928,577
Vougeot Bidco PLC, 7.88%, 7/15/20			100		151,367
Yum! Brands, Inc.:
3.75%, 11/01/21	USD		46		44,390
3.88%, 11/01/23			20		18,400

					21,836,454
Household Durables — 0.4%
Beazer Homes USA, Inc., 6.63%, 4/15/18			80		81,622
CalAtlantic Group Inc., 8.38%, 1/15/21			90		105,525
Century Communities, Inc., 6.88%, 5/15/22			460		445,050
DR Horton, Inc., 4.00%, 2/15/20			220		227,150
Lennar Corp.:
4.75%, 11/15/22			430		426,775
4.88%, 12/15/23			85		83,937
4.75%, 5/30/25			180		176,400
Meritage Homes Corp., 4.50%, 3/01/18			340		346,800
Project Homestake Merger Co., 8.88%, 3/01/23 (c)			155		159,650
PulteGroup, Inc., 6.38%, 5/15/33			330		334,950
TRI Pointe Group, Inc., 4.88%, 7/01/21			125		125,156
TRI Pointe Holdings, Inc.:
4.38%, 6/15/19			10		10,000
5.88%, 6/15/24			250		249,375
William Lyon Homes, Inc., 8.50%, 11/15/20			240		249,600

					3,021,990
Household Products — 0.2%
Prestige Brands, Inc., 6.38%, 3/01/24 (c)			109		114,722
Spectrum Brands, Inc.:
6.38%, 11/15/20			400		419,500
6.63%, 11/15/22			695		740,613
5.75%, 7/15/25			10		10,450
Tempur Sealy International, Inc., 5.50%, 6/15/26 (c)			91		91,455

					1,376,740


Corporate Bonds		Par (000)		Value
Independent Power and Renewable Electricity Producers — 0.3%
Calpine Corp.:
6.00%, 1/15/22 (c)	USD		274	$	287,357
5.88%, 1/15/24 (c)			194		203,215
5.50%, 2/01/24			260		251,469
5.75%, 1/15/25			105		101,587
Dynegy, Inc.:
6.75%, 11/01/19			470		471,175
7.38%, 11/01/22			101		97,465
NRG Energy, Inc.:
8.25%, 9/01/20			20		20,750
7.88%, 5/15/21			137		142,137
6.63%, 3/15/23			25		24,813
7.25%, 5/15/26 (c)			306		305,235
NRG Yield Operating LLC, 5.38%, 8/15/24			75		72,188
QEP Resources, Inc., 5.38%, 10/01/22			578		537,540

					2,514,931
Industrial Conglomerates — 0.1%
Smiths Group PLC, 3.63%, 10/12/22 (c)			360		363,941
Insurance — 2.4%
Allied World Assurance Co. Holdings Ltd., 4.35%, 10/29/25			1,495		1,498,456
American International Group, Inc., 3.75%, 7/10/25			3,380		3,396,356
Aon PLC, 3.88%, 12/15/25			1,445		1,487,727
AXA SA, 5.25%, 4/16/40 (b)	EUR		500		614,460
Five Corners Funding Trust, 4.42%, 11/15/23 (c)(e)	USD		2,050		2,177,280
Hartford Financial Services Group, Inc., 5.13%, 4/15/22			1,860		2,092,437
HUB International Ltd. (c):
9.25%, 2/15/21			117		121,680
7.88%, 10/01/21			418		409,640
Liberty Mutual Group, Inc., 6.50%, 5/01/42 (c)(e)			2,000		2,376,026
Lincoln National Corp., 3.35%, 3/09/25 (e)			1,045		1,020,662
Muenchener Rueckversicherungs AG, 6.00%, 5/26/41 (b)	EUR		400		522,938
Prudential Financial, Inc. (e):
5.90%, 3/17/36	USD		500		581,663
5.70%, 12/14/36			1,625		1,865,492
TMF Group Holding BV, 9.88%, 12/01/19	EUR		100		119,080
Trader Corp., 9.88%, 8/15/18 (c)	USD		100		103,500
Wayne Merger Sub LLC, 8.25%, 8/01/23 (c)			286		283,855

					18,671,252



BLACKROCK CORE BOND TRUST	MAY 31, 2016	9


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds	Par (000)			Value
Internet Software & Services — 0.1%
Blue Coat Holdings, Inc., 8.38%, 6/01/23 (c)		USD	176	$	188,980
Equinix, Inc.:
4.88%, 4/01/20			173		179,488
5.88%, 1/15/26			350		364,875
Netflix, Inc., 5.75%, 3/01/24			230		240,350

					973,693
IT Services — 0.5%
Ceridian HCM Holding, Inc., 11.00%, 3/15/21 (c)			155		155,388
First Data Corp. (c):
5.38%, 8/15/23			581		595,525
7.00%, 12/01/23			1,563		1,584,491
5.00%, 1/15/24			392		391,753
5.75%, 1/15/24			1,489		1,489,000

					4,216,157
Life Sciences Tools & Services — 0.1%
Agilent Technologies, Inc., 3.20%, 10/01/22			500		503,870
Thermo Fisher Scientific, Inc., 3.00%, 4/15/23			390		391,500

					895,370
Machinery — 0.0%
Gardner Denver, Inc., 6.88%, 8/15/21 (c)			90		77,175
Trinseo Materials Operating SCA/Trinseo Materials Finance, Inc., 6.38%, 5/01/22		EUR	100		115,159

					192,334
Marine — 0.3%
Nakilat, Inc., Series A, 6.07%, 12/31/33 (c)(e)		USD	2,150		2,419,202
Media — 6.4%
21st Century Fox America, Inc., 7.63%, 11/30/28			385		512,739
Altice Financing SA:
5.25%, 2/15/23		EUR	100		114,742
7.50%, 5/15/26 (c)		USD	200		199,500
Altice Luxembourg SA:
7.25%, 5/15/22		EUR	100		113,212
7.75%, 5/15/22 (c)		USD	435		445,603
7.63%, 2/15/25 (c)			545		538,187
Altice US Finance I Corp. (c):
5.38%, 7/15/23			770		783,768
5.50%, 5/15/26			293		298,860
Altice US Finance II Corp., 7.75%, 7/15/25 (c)			760		788,500
AMC Networks, Inc.:
4.75%, 12/15/22			336		336,000


Corporate Bonds	Par (000)			Value
Media (continued)
AMC Networks, Inc. (continued):
5.00%, 4/01/24		USD	191	$	191,478
CCO Holdings LLC/CCO Holdings Capital Corp.:
5.25%, 9/30/22			600		616,500
5.13%, 5/01/23 (c)			359		363,488
5.88%, 4/01/24 (c)			383		399,278
5.75%, 2/15/26 (c)			132		135,300
5.50%, 5/01/26 (c)			278		280,780
5.88%, 5/01/27 (c)			770		788,287
Cequel Communications Escrow 1 LLC/Cequel Capital Corp., 6.38%, 9/15/20 (c)			100		101,801
Cequel Communications Holdings I LLC/Cequel Capital Corp., 5.13%, 12/15/21 (c)			409		390,329
Charter Communications Operating LLC/Charter Communications Operating Capital, 4.91%, 7/23/25 (c)			4,000		4,278,492
Clear Channel International BV, 8.75%, 12/15/20 (c)			284		292,520
Clear Channel Worldwide Holdings, Inc., 6.50%, 11/15/22			2,577		2,542,331
Comcast Cable Communications Holdings, Inc., 9.46%, 11/15/22 (e)			2,600		3,636,222
Comcast Corp. (e):
3.38%, 8/15/25			4,500		4,731,687
6.45%, 3/15/37			790		1,050,125
Cox Communications, Inc. (c):
6.95%, 6/01/38			1,000		1,008,737
8.38%, 3/01/39 (e)			3,475		4,077,631
CSC Holdings LLC, 5.25%, 6/01/24			615		553,500
Discovery Communications LLC:
3.25%, 4/01/23			1,850		1,790,349
3.45%, 3/15/25			210		202,936
DISH DBS Corp.:
6.75%, 6/01/21			314		325,241
5.88%, 7/15/22			270		261,225
5.88%, 11/15/24			335		310,046
eircom Finance, Ltd., 9.25%, 5/15/20		EUR	100		117,106
iHeartCommunications, Inc.:
9.00%, 12/15/19		USD	282		221,370
9.00%, 3/01/21			9		6,716
10.63%, 3/15/23			961		711,140
Intelsat Jackson Holdings SA:
7.25%, 10/15/20			267		186,233
6.63%, 12/15/22			131		88,098
5.50%, 8/01/23			272		174,760
8.00%, 2/15/24 (c)			460		468,625



10	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds		Par (000)		Value
Media (continued)
Interpublic Group of Cos., Inc., 3.75%, 2/15/23	USD		2,000	$	2,050,524
Lamar Media Corp., 5.75%, 2/01/26 (c)			210		221,025
LGE HoldCo VI BV, 7.13%, 5/15/24	EUR		100		122,670
Live Nation Entertainment, Inc., 7.00%, 9/01/20 (c)	USD		218		228,706
McGraw-Hill Global Education Holdings LLC/McGraw-Hill Global Education Finance, 7.88%, 5/15/24 (c)			61		63,440
MDC Partners, Inc., 6.50%, 5/01/24 (c)			336		325,080
Midcontinent Communications & Midcontinent Finance Corp., 6.25%, 8/01/21 (c)			340		351,900
NAI Entertainment Holdings/NAI Entertainment Holdings Finance Corp., 5.00%, 8/01/18 (c)			117		119,340
Neptune Finco Corp., 10.13%, 1/15/23 (c)			790		884,800
Nielsen Finance LLC/Nielsen Finance Co., 5.00%, 4/15/22 (c)			515		526,587
Numericable Group SA:
5.38%, 5/15/22	EUR		112		129,346
6.00%, 5/15/22 (c)	USD		345		343,448
7.38%, 5/01/26 (c)			1,301		1,312,384
Outfront Media Capital LLC/Outfront Media Capital Corp.:
5.25%, 2/15/22			55		55,894
5.63%, 2/15/24			160		165,600
Sirius XM Radio, Inc., 4.25%, 5/15/20 (c)			463		471,681
TCI Communications, Inc., 7.88%, 2/15/26 (e)			610		851,908
TEGNA, Inc. (c):
4.88%, 9/15/21			50		51,000
5.50%, 9/15/24			165		170,363
Telenet Finance VI Luxembourg SCA, 4.88%, 7/15/27	EUR		136		154,347
Time Warner, Inc.:
3.60%, 7/15/25 (e)	USD		750		777,627
6.10%, 7/15/40			830		984,660
Tribune Media Co., 5.88%, 7/15/22			514		519,140
Unitymedia Hessen GmbH & Co. KG/Unitymedia NRW GmbH:
5.50%, 1/15/23 (c)			445		458,906
4.00%, 1/15/25	EUR		100		113,323
3.50%, 1/15/27			100		107,693
Univision Communications, Inc. (c):
5.13%, 5/15/23	USD		1,131		1,139,482


Corporate Bonds		Par (000)		Value
Media (continued)
Univision Communications, Inc. (c) (continued):
5.13%, 2/15/25	USD		390	$	387,075
UPCB Finance IV Ltd., 4.00%, 1/15/27	EUR		100		108,762
Virgin Media Finance PLC, 5.75%, 1/15/25 (c)	USD		515		513,712
Virgin Media Secured Finance PLC:
5.50%, 8/15/26 (c)			200		202,000
4.88%, 1/15/27	GBP		100		137,050
6.25%, 3/28/29			100		145,378
WaveDivision Escrow LLC/WaveDivision Escrow Corp., 8.13%, 9/01/20 (c)	USD		520		535,600
Wind Acquisition Finance SA, 7.00%, 4/23/21	EUR		100		106,814
Ziggo Bond Finance BV, 5.88%, 1/15/25 (c)	USD		260		257,400
Ziggo Secured Finance BV, 3.75%, 1/15/25	EUR		100		109,791

					49,637,898
Metals & Mining — 1.1%
Alcoa, Inc.:
5.40%, 4/15/21	USD		340		351,900
5.13%, 10/01/24			445		429,287
Anglo American Capital PLC:
1.75%, 11/20/17	EUR		100		110,598
4.13%, 9/27/22 (c)	USD		200		181,500
3.25%, 4/03/23	EUR		100		99,452
ArcelorMittal:
6.13%, 6/01/18	USD		251		261,981
7.25%, 2/25/22			14		14,630
7.75%, 3/01/41			130		119,600
Constellium NV (c):
8.00%, 1/15/23			650		568,750
5.75%, 5/15/24			250		195,000
Freeport-McMoRan, Inc.:
2.30%, 11/14/17			189		184,275
2.38%, 3/15/18			1,048		1,016,560
3.10%, 3/15/20			105		95,747
4.00%, 11/14/21			90		78,075
3.55%, 3/01/22			431		360,962
3.88%, 3/15/23			564		463,890
5.40%, 11/14/34			278		210,585
5.45%, 3/15/43			149		112,449
Glencore Finance Europe SA, 3.38%, 9/30/20	EUR		100		112,934
Joseph T Ryerson & Son, Inc., 11.00%, 5/15/22 (c)	USD		115		118,163
Kaiser Aluminum Corp., 5.88%, 5/15/24 (c)			74		75,954
Novelis, Inc., 8.75%, 12/15/20			798		827,925



BLACKROCK CORE BOND TRUST	MAY 31, 2016	11


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds		Par (000)		Value
Metals & Mining (continued)
Steel Dynamics, Inc.:
5.13%, 10/01/21	USD		550	$	560,659
5.25%, 4/15/23			295		302,611
5.50%, 10/01/24			48		49,330
Teck Resources Ltd.:
2.50%, 2/01/18			171		172,282
3.00%, 3/01/19			194		185,755
8.00%, 6/01/21 (c)(d)			185		188,700
3.75%, 2/01/23			66		48,015
8.50%, 6/01/24 (c)(d)			227		232,675
United States Steel Corp., 8.38%, 7/01/21 (c)			215		221,987
Wise Metals Group LLC/Wise Alloys Finance Corp., 8.75%, 12/15/18 (c)			266		244,055

					8,196,286
Multi-Utilities — 0.3%
Brooklyn Union Gas Co., 3.41%, 3/10/26 (c)			1,880		1,961,301
Multiline Retail — 0.0%
Neiman Marcus Group Ltd., 8.00%, 10/15/21 (c)			350		264,250
Offshore Drilling & Other Services — 0.1%
Lam Research Corp., 3.90%, 6/15/26 (d)			460		468,188
Oil, Gas & Consumable Fuels — 3.9%
Alberta Energy Co. Ltd., 7.38%, 11/01/31			49		46,973
California Resources Corp., 8.00%, 12/15/22 (c)			672		490,560
Carrizo Oil & Gas, Inc., 6.25%, 4/15/23			525		513,187
Cenovus Energy, Inc.:
5.70%, 10/15/19			30		30,694
3.00%, 8/15/22			25		22,255
3.80%, 9/15/23			70		62,447
6.75%, 11/15/39			109		104,742
5.20%, 9/15/43			15		11,863
Cheniere Corpus Christi Holdings LLC, 7.00%, 6/30/24 (c)			278		284,950
Chesapeake Energy Corp.:
3.88%, 4/15/19 (b)			273		200,484
6.63%, 8/15/20			35		22,925
8.00%, 12/15/22 (c)			127		102,235
ConocoPhillips Canada Funding Co., 5.95%, 10/15/36 (e)			685		770,993
CONSOL Energy, Inc.:
5.88%, 4/15/22			889		724,535
8.00%, 4/01/23			133		114,380


Corporate Bonds		Par (000)		Value
Oil, Gas & Consumable Fuels (continued)
Continental Resources, Inc.:
5.00%, 9/15/22	USD		214	$	202,230
4.50%, 4/15/23			133		121,113
3.80%, 6/01/24			460		401,350
4.90%, 6/01/44			110		90,475
Crestwood Midstream Partners LP/Crestwood Midstream Finance Corp., 6.25%, 4/01/23 (c)			20		18,700
CrownRock LP/CrownRock Finance, Inc., 7.13%, 4/15/21 (c)			610		631,350
Denbury Resources, Inc., 9.00%, 5/15/21 (c)			501		492,859
Diamondback Energy, Inc., 7.63%, 10/01/21			328		348,090
Encana Corp.:
3.90%, 11/15/21			99		88,110
6.50%, 8/15/34			169		149,722
6.63%, 8/15/37			108		95,118
6.50%, 2/01/38			319		281,840
5.15%, 11/15/41			131		96,332
Energy Transfer Equity LP:
5.88%, 1/15/24			464		430,360
5.50%, 6/01/27			193		167,427
Freeport-McMoRan Oil & Gas LLC/FCX Oil & Gas, Inc.:
6.50%, 11/15/20			90		86,400
6.63%, 5/01/21			90		85,275
Genesis Energy LP/Genesis Energy Finance Corp., 5.63%, 6/15/24			55		49,363
Gulfport Energy Corp.:
7.75%, 11/01/20			146		148,190
6.63%, 5/01/23			15		14,738
Hilcorp Energy I LP/Hilcorp Finance Co., 7.63%, 4/15/21 (c)			30		30,975
KeySpan Gas East Corp., 5.82%, 4/01/41 (c)(e)			1,010		1,197,217
Marathon Oil Corp., 5.20%, 6/01/45			195		163,799
Marathon Petroleum Corp., 6.50%, 3/01/41 (e)			2,049		2,044,888
Matador Resources Co., 6.88%, 4/15/23			270		271,350
MEG Energy Corp. (c):
6.50%, 3/15/21			560		441,000
7.00%, 3/31/24			735		565,950
Memorial Resource Development Corp., 5.88%, 7/01/22			393		391,526
MidAmerican Energy Co., 5.80%, 10/15/36 (e)			1,500		1,920,213
MidAmerican Energy Holdings Co., 5.95%, 5/15/37 (e)			1,750		2,207,345



12	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds		Par (000)		Value
Oil, Gas & Consumable Fuels (continued)
NGPL PipeCo LLC (c):
7.12%, 12/15/17	USD		1,719	$	1,798,504
7.77%, 12/15/37			87		85,477
Noble Energy, Inc., 5.63%, 5/01/21			309		321,374
Oasis Petroleum, Inc.:
7.25%, 2/01/19			25		23,938
6.50%, 11/01/21			200		180,500
6.88%, 3/15/22 (e)			358		329,360
6.88%, 1/15/23			120		108,300
Parsley Energy LLC/Parsley Finance Corp. (c):
7.50%, 2/15/22			345		364,406
6.25%, 6/01/24			41		41,718
PBF Holding Co. LLC/PBF Finance Corp., 8.25%, 2/15/20			94		97,760
QEP Resources, Inc.:
6.88%, 3/01/21			105		105,525
5.25%, 5/01/23			73		67,160
Range Resources Corp.:
5.75%, 6/01/21			213		207,142
5.00%, 8/15/22			53		49,754
5.00%, 3/15/23			185		172,050
Rockies Express Pipeline LLC, 5.63%, 4/15/20 (c)			565		574,887
RSP Permian, Inc., 6.63%, 10/01/22			179		184,817
Sabine Pass Liquefaction LLC:
5.63%, 2/01/21			948		968,145
6.25%, 3/15/22			796		813,910
5.63%, 4/15/23			937		946,370
Sanchez Energy Corp.:
7.75%, 6/15/21			322		246,330
6.13%, 1/15/23			603		434,160
Seven Generations Energy Ltd. (c):
8.25%, 5/15/20			705		736,725
6.75%, 5/01/23			15		15,225
SM Energy Co.:
6.13%, 11/15/22			344		314,760
5.00%, 1/15/24			10		8,551
Southwestern Energy Co.:
3.30%, 1/23/18			200		193,000
7.50%, 2/01/18			123		123,615
4.10%, 3/15/22			20		16,300
Targa Resources Partners LP/Targa Resources Partners Finance Corp.:
6.88%, 2/01/21			49		49,613
6.38%, 8/01/22			60		59,550
5.25%, 5/01/23			10		9,400
6.75%, 3/15/24 (c)			50		49,375


Corporate Bonds		Par (000)		Value
Oil, Gas & Consumable Fuels (continued)
Tesoro Logistics LP/Tesoro Logistics Finance Corp.:
6.13%, 10/15/21	USD		26	$	26,845
6.38%, 5/01/24			74		76,220
Weatherford International LLC:
6.35%, 6/15/17			125		126,250
6.80%, 6/15/37			35		23,450
Weatherford International Ltd.:
6.00%, 3/15/18			169		166,465
5.13%, 9/15/20			107		86,670
4.50%, 4/15/22			75		58,125
6.50%, 8/01/36			50		32,375
7.00%, 3/15/38			55		36,850
5.95%, 4/15/42			107		68,213
Western Gas Partners LP, 5.38%, 6/01/21			1,425		1,435,273
Whiting Petroleum Corp.:
5.00%, 3/15/19			24		21,600
1.25%, 4/01/20 (c)(h)			881		669,560
5.75%, 3/15/21			305		258,487
6.25%, 4/01/23			139		114,675
Williams Cos., Inc.:
3.70%, 1/15/23			28		23,590
4.55%, 6/24/24			81		70,673
WPX Energy, Inc.:
5.25%, 1/15/17			30		29,925
7.50%, 8/01/20			50		49,000
6.00%, 1/15/22			224		201,600
8.25%, 8/01/23			125		122,187

					30,132,262
Paper & Forest Products — 0.2%
International Paper Co., 6.00%, 11/15/41			870		972,565
Pfleiderer GmbH, 7.88%, 8/01/19	EUR		100		116,801
Unifrax I LLC/Unifrax Holding Co., 7.50%, 2/15/19 (c)	USD		180		144,000

					1,233,366
Pharmaceuticals — 1.6%
AbbVie, Inc., 3.60%, 5/14/25			870		895,819
Actavis Funding SCS, 4.55%, 3/15/35			2,140		2,115,274
Actavis, Inc., 3.25%, 10/01/22			4,000		4,020,096
DPx Holdings BV, 7.50%, 2/01/22 (c)			75		76,875
Endo Finance LLC, 5.75%, 1/15/22 (c)			95		85,263
Endo Finance LLC/Endo Finco, Inc. (c):
5.88%, 1/15/23			235		202,688
6.00%, 7/15/23			315		275,754



BLACKROCK CORE BOND TRUST	MAY 31, 2016	13


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds		Par (000)		Value
Pharmaceuticals (continued)
Ephios Bondco PLC, 6.25%, 7/01/22	EUR		100	$	117,106
Forest Laboratories, Inc., 5.00%, 12/15/21 (c)	USD		758		831,892
Grifols Worldwide Operations Ltd., 5.25%, 4/01/22			200		204,500
Jaguar Holding Co. II/Pharmaceutical Product Development LLC, 6.38%, 8/01/23 (c)			795		811,695
NBTY, Inc., 7.63%, 5/15/21 (c)			397		404,940
Valeant Pharmaceuticals International, Inc. (c):
6.75%, 8/15/18			1,133		1,107,507
5.38%, 3/15/20			44		38,830
6.38%, 10/15/20			710		631,900
5.63%, 12/01/21			404		341,380
5.88%, 5/15/23			45		37,913

					12,199,432
Real Estate — 0.3%
AvalonBay Communities, Inc., 3.45%, 6/01/25 (e)			1,535		1,596,878
Prologis LP, 3.75%, 11/01/25			315		330,882

					1,927,760
Real Estate Investment Trusts (REITs) — 1.5%
Corrections Corp. of America, 4.63%, 5/01/23			65		65,975
ERP Operating LP:
3.38%, 6/01/25			1,245		1,291,928
4.50%, 6/01/45			1,155		1,249,115
FelCor Lodging LP:
5.63%, 3/01/23			34		34,680
6.00%, 6/01/25			65		67,112
HCP, Inc. (e):
3.88%, 8/15/24			3,000		2,971,017
4.00%, 6/01/25			2,000		1,987,550
Hilton Worldwide Finance LLC/Hilton Worldwide Finance Corp., 5.63%, 10/15/21			325		336,573
Simon Property Group LP, 4.75%, 3/15/42 (e)			1,670		1,869,635
Ventas Realty LP, 4.13%, 1/15/26			870		910,954
Ventas Realty LP/Ventas Capital Corp., 4.75%, 6/01/21			550		603,502

					11,388,041
Real Estate Management & Development — 0.7%
Northwest Florida Timber Finance LLC, 4.75%, 3/04/29 (c)(e)			4,600		4,060,811


Corporate Bonds		Par (000)		Value
Real Estate Management & Development (continued)
Realogy Group LLC/Realogy Co-Issuer Corp. (c):
4.50%, 4/15/19	USD		240	$	247,200
5.25%, 12/01/21			1,113		1,151,955
4.88%, 6/01/23 (d)			303		300,349

					5,760,315
Road & Rail — 1.1%
Avis Budget Car Rental LLC/Avis Budget Finance, Inc.(c):
5.13%, 6/01/22			90		82,800
6.38%, 4/01/24			20		19,200
5.25%, 3/15/25			425		372,937
Burlington Northern Santa Fe LLC, 5.75%, 5/01/40 (e)			1,890		2,374,925
Herc Spinoff Escrow Issuer LLC/Herc Spinoff Escrow Issuer Corp. (c)(d):
7.50%, 6/01/22			63		63,315
7.75%, 6/01/24			48		48,120
Hertz Corp., 5.88%, 10/15/20			460		466,325
Lima Metro Line 2 Finance Ltd., 5.88%, 7/05/34 (c)			5,000		5,112,500
Loxam SAS, 3.50%, 5/03/23	EUR		100		112,500

					8,652,622
Semiconductors & Semiconductor Equipment — 0.7%
Analog Devices, Inc., 3.90%, 12/15/25	USD		470		505,897
Applied Materials, Inc., 3.90%, 10/01/25			1,155		1,239,288
NXP BV/NXP Funding LLC (c):
4.13%, 6/15/20			420		428,400
5.75%, 3/15/23			260		272,350
ON Semiconductor Corp., Series B, 2.63%, 12/15/26 (h)			250		268,281
QUALCOMM, Inc., 3.45%, 5/20/25			1,950		2,028,749
Sensata Technologies BV, 5.00%, 10/01/25 (c)			350		350,875

					5,093,840
Software — 0.5%
ACI Worldwide, Inc., 6.38%, 8/15/20 (c)			320		330,800
Ensemble S Merger Sub, Inc., 9.00%, 9/30/23 (c)			210		210,262
Infor US, Inc., 6.50%, 5/15/22			495		454,162
Informatica LLC, 7.13%, 7/15/23 (c)			183		174,308



14	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds		Par (000)		Value
Software (continued)
Nuance Communications, Inc., 5.38%, 8/15/20 (c)	USD		260	$	264,225
Oracle Corp., 5.38%, 7/15/40 (e)			1,575		1,888,920
PTC, Inc., 6.00%, 5/15/24			71		73,929
Solera LLC/Solera Finance, Inc., 10.50%, 3/01/24 (c)			557		604,345
SS&C Technologies Holdings, Inc., 5.88%, 7/15/23			90		93,600

					4,094,551
Specialty Retail — 0.6%
Asbury Automotive Group, Inc., 6.00%, 12/15/24			490		499,800
Group 1 Automotive, Inc., 5.00%, 6/01/22			430		427,850
Home Depot, Inc., 5.88%, 12/16/36 (e)			1,660		2,157,910
L Brands, Inc., 6.88%, 11/01/35			347		366,085
Michaels Stores, Inc., 5.88%, 12/15/20 (c)			250		260,000
New Look Secured Issuer PLC, 6.50%, 7/01/22	GBP		100		142,344
Party City Holdings, Inc., 6.13%, 8/15/23 (c)	USD		90		91,800
Penske Automotive Group, Inc.:
5.38%, 12/01/24			371		371,000
5.50%, 5/15/26			127		126,048
Sally Holdings LLC/Sally Capital, Inc., 5.50%, 11/01/23			320		336,000
THOM Europe SAS, 7.38%, 7/15/19	EUR		100		118,080

					4,896,917
Technology Hardware, Storage & Peripherals — 0.4%
Diamond 1 Finance Corp./Diamond 2 Finance Corp. (c)(d):
4.42%, 6/15/21	USD		90		91,797
6.02%, 6/15/26			110		111,197
8.35%, 7/15/46			95		96,708
Hewlett Packard Enterprise Co., 4.90%, 10/15/25 (c)			2,995		3,065,437

					3,365,139
Textiles, Apparel & Luxury Goods — 0.0%
BiSoho SAS, 5.88%, 5/01/23	EUR		100		114,341
Levi Strauss & Co., 5.00%, 5/01/25	USD		120		120,150


Corporate Bonds		Par (000)		Value
Textiles, Apparel & Luxury Goods (continued)
Springs Industries, Inc., 6.25%, 6/01/21	USD		36	$	36,450

					270,941
Thrifts & Mortgage Finance — 0.0%
Radian Group, Inc., 5.25%, 6/15/20			260		265,200
Tobacco — 1.5%
Altria Group, Inc.:
9.95%, 11/10/38			516		915,492
10.20%, 2/06/39			894		1,616,052
5.38%, 1/31/44 (e)			4,030		4,902,874
BAT International Finance PLC, 3.95%, 6/15/25 (c)			2,000		2,169,796
Reynolds American, Inc.:
4.45%, 6/12/25			635		697,176
7.00%, 8/04/41			1,000		1,194,411

					11,495,801
Trading Companies & Distributors — 0.0%
Travis Perkins PLC, 4.50%, 9/07/23	GBP		100		143,784
Transportation Infrastructure — 0.3%
CEVA Group PLC, 7.00%, 3/01/21 (c)	USD		310		281,325
I 595 Express LLC, 3.31%, 12/31/31			1,601		1,614,443
Onorato Armatori SpA, 7.75%, 2/15/23	EUR		100		109,040
Transurban Finance Co., 4.13%, 2/02/26 (c)	USD		580		603,079

					2,607,887
Wireless Telecommunication Services — 2.0%
America Movil SAB de CV, 2.38%, 9/08/16 (e)			1,595		1,600,321
Communications Sales & Leasing, Inc./CSL Capital LLC, 8.25%, 10/15/23			220		207,350
Crown Castle Towers LLC, 6.11%, 1/15/40 (c)			3,155		3,486,703
Digicel Ltd., 6.00%, 4/15/21 (c)			1,550		1,373,114
GEO Group, Inc.:
5.13%, 4/01/23			265		257,713
6.00%, 4/15/26			42		42,420
Matterhorn Telecom SA, 3.88%, 5/01/22	EUR		100		108,644
OTE PLC, 3.50%, 7/09/20			100		111,265
Rogers Communications, Inc., 7.50%, 8/15/38 (e)	USD		2,325		3,067,763
SBA Communications Corp., 5.63%, 10/01/19			138		143,003



BLACKROCK CORE BOND TRUST	MAY 31, 2016	15


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Corporate Bonds		Par (000)		Value
Wireless Telecommunication Services (continued)
SBA Tower Trust, 5.10%, 4/15/17 (c)	USD		720	$	723,489
Sprint Capital Corp.:
6.90%, 5/01/19			140		130,550
6.88%, 11/15/28			685		511,181
8.75%, 3/15/32			110		89,100
Sprint Communications, Inc.:
9.00%, 11/15/18 (c)			1,360		1,446,700
7.00%, 8/15/20			280		239,546
Sprint Corp.:
7.25%, 9/15/21			240		194,400
7.13%, 6/15/24			148		111,370
7.63%, 2/15/25			25		18,805
T-Mobile USA, Inc.:
6.63%, 4/28/21			490		515,112
6.73%, 4/28/22			130		136,338
6.00%, 3/01/23			250		260,625
6.84%, 4/28/23			40		42,350
6.50%, 1/15/24			240		254,700
6.38%, 3/01/25			480		502,800
6.50%, 1/15/26			309		326,767

					15,902,129
Total Corporate Bonds — 63.1%					493,188,864



Floating Rate Loan Interests (b)
Air Freight & Logistics — 0.0%
CEVA Group PLC, Synthetic LC, 6.50%, 3/19/21			22		19,049
CEVA Intercompany BV, Dutch Term Loan, 6.50%, 3/19/21			23		19,686
CEVA Logistics Canada ULC, Canadian Term Loan, 6.50%, 3/19/21			4		3,394
CEVA Logistics US Holdings, Inc., Term Loan, 6.50%, 3/19/21			32		27,153

					69,282
Auto Components — 0.1%
Gates Global, Inc., Term Loan B, 4.25%, 7/06/21			372		359,438
Chemicals — 0.0%
MacDermid, Inc., Term Loan B3, 5.50%, 6/07/20			103		103,178
PQ Corp., Term Loan, 5.75%, 11/04/22			124		124,999

					228,177


Floating Rate Loan Interests (b)		Par (000)		Value
Commercial Services & Supplies — 0.0%
Brand Energy & Infrastructure Services, Inc., Term Loan B, 4.75%, 11/26/20	USD		119	$	116,032
Diversified Consumer Services — 0.0%
Laureate Education, Inc., Term Loan B, 5.00%, 6/15/18			120		116,326
Diversified Telecommunication Services — 0.0%
Telenet International Finance Sarl, Term Loan AD, 4.25%, 6/30/24			128		128,604
Food & Staples Retailing — 0.0%
US Foods, Inc., Refinancing Term Loan, 4.50%, 3/31/19			293		293,319
Health Care Equipment & Supplies — 0.1%
Capsugel Holdings US, Inc., Term Loan B, 4.00%, 7/31/21			185		184,456
Immucor, Inc., Refinancing Term Loan B2, 5.00%, 8/17/18			160		151,509

					335,965
Health Care Providers & Services — 0.1%
Envision Healthcare Corp., Term Loan, 7,794.26% - 5.13%, 7/01/22 (c)			365		365,912
MPH Acquisition Holdings LLC, 2016 Term Loan B, 5.00%, 5/26/23			215		216,505
Vizient, Inc., 1st Lien Term Loan, 6.25%, 2/13/23			145		146,723

					729,140
Hotels, Restaurants & Leisure — 0.1%
Amaya Holdings BV, 1st Lien Term Loan, 5.00%, 8/01/21			189		182,978
Caesars Entertainment Resort Properties LLC, Term Loan B, 7.00%, 10/11/20			423		404,449

					587,427
Household Products — 0.0%
TruGreen Limited Partnership, 1st Lien Term Loan B, 6.50%, 4/13/23			75		75,469
IT Services — 0.0%
First Data Corp., 2021 Extended Term Loan, 4.44%, 3/24/21			260		261,084
Life Sciences Tools & Services — 0.0%
Pharmaceutical Product Development LLC, 1st Lien Term Loan, 4.50%, 8/18/22			60		60,050



16	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Floating Rate Loan Interests (b)		Par (000)		Value
Machinery — 0.0%
Silver II US Holdings LLC, Term Loan, 4.00%, 12/13/19	USD		80	$	72,066
Media — 0.1%
Cengage Learning Acquisitions, Inc., 2016 Term Loan B, 5.25%, 5/17/23			181		180,383
Clear Channel Communications, Inc., Term Loan D, 7.20%, 1/30/19			114		87,537
Intelsat Jackson Holdings SA, Term Loan B2, 3.75%, 6/30/19			111		102,467
Univision Communications, Inc., Term Loan C4, 4.00%, 3/01/20			189		189,379

					559,766
Metals & Mining — 0.1%
FMG Resources August 2006 Property Ltd., Term Loan B, 4.25%, 6/30/19			364		340,777
Oil, Gas & Consumable Fuels — 0.0%
California Resources Corp., Term Loan A, 1.00%, 10/01/19			106		97,123
MEG Energy Corp., Refinancing Term Loan, 3.75%, 3/31/20			58		51,417

					148,540
Personal Products — 0.0%
NBTY, Inc., Term Loan B, 5.00%, 5/05/23			105		105,578
Pharmaceuticals — 0.1%
DPx Holdings BV, 2014 Incremental Term Loan, 4.25%, 3/11/21			191		187,755
Jaguar Holding Co. II, 2015 Term Loan B, 4.25%, 8/18/22			80		79,865
Valeant Pharmaceuticals International, Inc.:
Series A3 Tranche A, 3.71%, 10/20/18			75		74,332
Series E Term Loan B, 4.75%, 8/05/20			63		62,330
Series F1 Term Loan B, 5.00%, 4/01/22			25		24,297

					428,579
Professional Services — 0.0%
Advantage Sales & Marketing, Inc.:
2014 1st Lien Term Loan, 4.25%, 7/23/21			180		179,213


Floating Rate Loan Interests (b)		Par (000)		Value
Professional Services (continued)
Advantage Sales & Marketing, Inc. (continued):
2014 2nd Lien Term Loan, 7.50%, 7/25/22	USD		94	$	89,095

					268,308
Real Estate Investment Trusts (REITs) — 0.0%
MGM Growth Properties LLC, 2016 Term Loan B, 4.00%, 4/25/23			199		200,067
Semiconductors & Semiconductor Equipment — 0.2%
Avago Technologies Cayman Ltd., 2016 Term Loan B1, 4.25%, 2/01/23			943		945,705
Microsemi Corp., 2015 Term Loan B, 5.25%, 1/15/23			43		43,363
ON Semiconductor Corp., Term Loan B, 5.25%, 3/31/23			169		170,092

					1,159,160
Software — 0.1%
Infor US, Inc., Term Loan B5, 3.75%, 6/03/20			269		263,816
Informatica Corp., Term Loan, 4.50%, 8/05/22			269		266,013
Solera Holdings, Inc., Term Loan B, 5.75%, 3/03/23			358		359,940

					889,769
Textiles, Apparel & Luxury Goods — 0.0%
J. Crew Group, Inc., Term Loan B, 4.00%, 3/05/21			80		59,204
Wireless Telecommunication Services — 0.0%
T-Mobile USA, Inc., Term Loan B, 3.50%, 11/09/22			303		305,099
Total Floating Rate Loan Interests — 1.0%					7,897,226



Foreign Agency Obligations
Argentine Republic Government International Bond (c):
7.50%, 4/22/26			3,875		4,066,813
7.63%, 4/22/46			3,121		3,191,223
Cyprus Government International Bond, 4.63%, 2/03/20 (c)	EUR		1,210		1,428,835
Iceland Government International Bond, 5.88%, 5/11/22	USD		3,555		4,063,081
Italian Government International Bond, 5.38%, 6/15/33			2,925		3,507,686
Portugal Government International Bond, 5.13%, 10/15/24 (c)			5,870		5,858,788



BLACKROCK CORE BOND TRUST	MAY 31, 2016	17


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Foreign Agency Obligations		Par (000)		Value
Slovenia Government International Bond, 5.85%, 5/10/23 (c)	USD		864	$	995,760
Total Foreign Agency Obligations — 3.0%					23,112,186



Municipal Bonds
City of Detroit Michigan, GO, Financial Recovery (b):
Series B-1, 4.00%, 4/01/44			251		96,518
Series B-2, 4.00%, 4/01/44			80		35,514
City of New York New York Municipal Water Finance Authority, Refunding RB, 2nd General Resolution:
Series EE, 5.50%, 6/15/43			930		1,096,042
Series GG, Build America Bonds, 5.72%, 6/15/42			1,390		1,865,853
Water & Sewer System, Series EE, 5.38%, 6/15/43			770		902,517
East Bay Municipal Utility District, RB, Build America Bonds, 5.87%, 6/01/40			1,900		2,541,915
Indianapolis Local Public Improvement Bond Bank, RB, Build America Bonds, 6.12%, 1/15/40			2,535		3,409,524
Metropolitan Transportation Authority, RB, Build America Bonds, Series C, 7.34%, 11/15/39			1,295		2,019,928
Municipal Electric Authority of Georgia Plant Vogtle Units 3 & 4, Refunding RB, Build America Bonds, Series A, 7.06%, 4/01/57			2,000		2,393,260
New York State Dormitory Authority, RB, Build America Bonds:
5.63%, 3/15/39			1,100		1,416,723
5.60%, 3/15/40			1,900		2,496,391
Port Authority of New York & New Jersey, RB, 159th Series, 6.04%, 12/01/29			780		992,675
State of California, GO, Build America Bonds, Various Purposes:
7.55%, 4/01/39			280		430,811
7.63%, 3/01/40			1,720		2,639,908
State of Illinois, GO, Pension, 5.10%, 6/01/33			2,000		1,913,060


Municipal Bonds		Par (000)		Value
University of California, RB, Build America Bonds, 5.95%, 5/15/45	USD		885	$	1,162,058
Total Municipal Bonds — 3.2%					25,412,697



Non-Agency Mortgage-Backed Securities
Collateralized Mortgage Obligations — 0.8%
Banc of America Funding Corp., Series 2007-2, Class 1A2, 6.00%, 3/25/37			931		815,901
Countrywide Alternative Loan Trust:
Series 2005-64CB, Class 1A15, 5.50%, 12/25/35			1,602		1,528,930
Series 2006-OA21, Class A1, 0.63%, 3/20/47 (b)			1,224		880,619
Credit Suisse Mortgage Capital Certificates, Series 2011-2R, Class 2A1, 2.89%, 7/27/36 (b)(c)			1,077		1,070,436
GMAC Mortgage Corp. Loan Trust, Series 2005-AR3, Class 5A1, 3.46%, 6/19/35 (b)			715		705,761
GSR Mortgage Loan Trust:
Series 2006-4F, Class 1A1, 5.00%, 5/25/36			124		114,324
Series 2007-4F, Class 3A1, 6.00%, 7/25/37			300		269,827
JPMorgan Mortgage Trust, Series 2006-S3, Class 1A12, 6.50%, 8/25/36			112		93,217
Merrill Lynch Mortgage Investors, Inc., Series 2006-A3, Class 3A1, 3.00%, 5/25/36 (b)			797		638,616
WaMu Mortgage Pass-Through Certificates, Series 2007-OA4, Class 1A, 1.18%, 5/25/47 (b)			260		214,818

					6,332,449
Commercial Mortgage-Backed Securities — 13.3%
Banc of America Merrill Lynch Commercial Mortgage Securities Trust, Series 2015-200P, Class C, 3.60%, 4/14/33 (b)(c)			4,170		4,164,699
Banc of America Merrill Lynch Commercial Mortgage Trust, Series 2007-2, Class A4, 5.62%, 4/10/49 (b)			1,418		1,429,245
Citigroup Commercial Mortgage Trust, Series 2013-GC15, Class B, 5.10%, 9/10/46 (b)			7,183		8,121,483



18	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Non-Agency Mortgage-Backed Securities		Par (000)		Value
Commercial Mortgage-Backed Securities (continued)
Citigroup/Deutsche Bank Commercial Mortgage Trust, Series 2006-CD3, Class AM, 5.65%, 10/15/48	USD		2,193	$	2,209,786
Commercial Mortgage Loan Trust, Series 2008-LS1, Class A4B, 6.09%, 12/10/49 (b)			1,016		1,054,468
Commercial Mortgage Trust:
Series 2006-C7, Class AM, 5.82%, 6/10/46 (b)			341		340,359
Series 2013-CR11, Class B, 5.16%, 10/10/46 (b)			7,000		7,866,354
Series 2013-LC6, Class B, 3.74%, 1/10/46			1,390		1,444,867
Series 2013-LC6, Class D, 4.28%, 1/10/46 (b)(c)			1,670		1,500,118
Series 2015-3BP, Class A, 3.18%, 2/10/35 (c)			7,570		7,799,000
Series 2015-CR22, Class C, 4.13%, 3/10/48 (b)			5,000		4,887,204
Series 2015-LC19, Class C, 4.26%, 2/10/48 (b)			3,500		3,429,569
Core Industrial Trust, Series 2015-TEXW, Class D, 3.85%, 2/10/34 (b)(c)			4,585		4,523,664
Credit Suisse Commercial Mortgage Trust:
Series 2006-C3, Class AM, 6.08%, 6/15/38 (b)			875		874,220
Series 2006-C5, Class AM, 5.34%, 12/15/39			3,500		3,539,265
Series 2010-RR2, Class 2A, 5.94%, 9/15/39 (b)(c)			1,052		1,075,178
Credit Suisse First Boston Mortgage Securities Corp., Series 2005-C3, Class AJ, 4.77%, 7/15/37			15		14,781
CSAIL Commercial Mortgage Trust, Series 2015-C1 (b):
Class B, 4.04%, 4/15/50			1,110		1,175,702
Class C, 4.30%, 4/15/50			1,000		978,374
Class D, 3.80%, 4/15/50 (c)			1,000		783,058
DBRR Trust, Series 2011-C32, Class A3A, 5.71%, 6/17/49 (b)(c)			730		676,429
GAHR Commercial Mortgage Trust, Series 2015-NRF, Class DFX, 3.38%, 12/15/19 (b)(c)			6,170		6,033,537
Greenwich Capital Commercial Funding Corp., Series 2006-GG7, Class A4, 5.92%, 7/10/38 (b)			14		13,780


Non-Agency Mortgage-Backed Securities		Par (000)		Value
Commercial Mortgage-Backed Securities (continued)
GS Mortgage Securities Corp. II, Series 2013-GC10, Class B, 3.68%, 2/10/46 (c)	USD		2,505	$	2,596,891
Hilton USA Trust, Series 2013-HLT, 4.41%, 11/05/30 (c)			5,900		5,925,028
JPMBB Commercial Mortgage Securities Trust, Series 2013-C15, Class D, 5.05%, 11/15/45 (b)(c)			1,600		1,506,381
JPMorgan Chase Commercial Mortgage Securities Corp., Series 2004-LN2, Class A2, 5.12%, 7/15/41			39		39,135
LB-UBS Commercial Mortgage Trust (b):
Series 2007-C6, Class A4, 5.86%, 7/15/40			8,048		8,200,878
Series 2007-C7, Class A3, 5.87%, 9/15/45			2,144		2,247,200
Morgan Stanley Capital I Trust (b):
Series 2007-HQ11, Class A4, 5.45%, 2/12/44			8,000		8,105,902
Series 2014-CPT, Class G, 3.45%, 7/13/29 (c)			3,200		2,845,170
RCMC LLC, Series 2012-CRE1, Class A, 5.62%, 11/15/44 (c)			431		432,233
Wachovia Bank Commercial Mortgage Trust, Series 2007-C33, Class A4, 5.95%, 2/15/51 (b)			4,180		4,264,763
WF-RBS Commercial Mortgage Trust, Series 2012-C8:
Class B, 4.31%, 8/15/45			1,395		1,491,229
Class C, 4.87%, 8/15/45 (b)			1,795		1,875,324

					103,465,274
Interest Only Collateralized Mortgage Obligations — 0.0%
GSMPS Mortgage Loan Trust, Series 1998-5, 0.00%, 6/19/27 (b)(c)			1,118		11
Interest Only Commercial Mortgage-Backed Securities — 0.2%
Commercial Mortgage Loan Trust, Series 2015-LC21, Class XA, 0.88%, 7/10/48 (b)			19,526		979,100
WF-RBS Commercial Mortgage Trust, Series 2012-C8, Class XA, 2.15%, 8/15/45 (b)(c)			11,499		870,626

					1,849,726
Total Non-Agency Mortgage-Backed Securities — 14.3%					111,647,460



BLACKROCK CORE BOND TRUST	MAY 31, 2016	19


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Preferred Securities	Par (000)		Value
Capital Trusts
Banks — 3.7%
Banco Bilbao Vizcaya Argentaria SA, 7.00% (b)(g)		200	$	206,557
Banco Popular Espanol SA, 8.25% (b)(g)		200		195,159
Bank of Ireland, 7.38% (b)(g)		200		217,913
BNP Paribas SA, 7.20% (b)(c)(g)		2,000		2,175,400
Capital One Financial Corp., Series E, 5.55% (b)(g)		3,500		3,501,750
Citigroup, Inc.,:
Series D, 5.95% (b)(g)		2,100		2,073,750
Series Q, 5.95% (b)(g)		100		97,625
Series R, 6.13% (b)(g)		605		616,344
Series T, 6.25% (b)(g)		190		196,374
Credit Agricole SA:
6.63% (b)(c)(g)		1,400		1,316,000
7.88% (b)(c)(g)		1,000		980,000
Intesa Sanpaolo SpA, 7.00% (b)(g)		200		215,298
JPMorgan Chase & Co.:
Series Q, 5.15% (b)(g)		3,000		2,951,250
Series U, 6.13% (b)(g)		500		520,600
Series V, 5.00% (b)(g)		6,710		6,483,537
Nordea Bank AB, 6.13% (b)(c)(g)		2,960		2,834,200
Wells Fargo & Co.:
Series S, 5.90% (b)(g)		3,390		3,513,565
Series U, 5.88% (b)(g)		750		802,500

				28,897,822
Capital Markets — 0.7%
Goldman Sachs Group, Inc., Series L, 5.70% (b)(g)		792		789,030
Morgan Stanley, Series H, 5.45% (b)(g)		2,627		2,544,092
State Street Capital Trust IV, 1.63%, 6/15/37 (b)		140		113,414
State Street Corp., Series F, 5.25% (b)(g)		2,000		2,052,500

				5,499,036
Diversified Financial Services — 4.1%
Bank of America Corp.:
Series DD, 6.30% (b)(g)		120		127,350
Series V, 5.13% (b)(g)		385		361,900
Series X, 6.25% (b)(g)		4,620		4,729,725
Bank of New York Mellon Corp.:
Series D, 4.50% (b)(e)(g)		8,400		8,043,000
Series E, 4.95% (b)(g)		2,000		2,007,500


Capital Trusts	Par (000)		Value
Diversified Financial Services (continued)
Citigroup, Inc., Series M, 6.30% (b)(g)		4,000		3,995,000
JPMorgan Chase & Co., Series 1, 7.90% (b)(g)		7,000		7,157,500
Macquarie Bank Ltd., 10.25%, 6/20/57 (b)		1,800		1,906,061
Orange SA, 4.00% (b)(g)		100		112,736
Societe Generale SA:
6.00% (b)(c)(g)		3,000		2,730,000
7.88% (b)(c)(g)		1,000		964,532
Telefonica Europe BV, 4.20% (b)(g)		200		222,541

				32,357,845
Electric Utilities — 0.6%
ComEd Financing III, 6.35%		300		317,928
Electricite de France SA, 5.25% (b)(c)(g)		4,200		4,011,000
Gas Natural Fenosa Finance BV, 4.13% (b)(g)		100		109,178

				4,438,106
Industrial Conglomerates — 0.3%
General Electric Co., 5.00% (b)(g)		2,131		2,232,223
Insurance — 1.9%
Allstate Corp:
5.75%, 8/15/53 (b)		2,000		2,055,660
6.50%, 5/15/57 (b)		4,100		4,433,125
Generali Finance BV, 5.48% (b)(g)		100		113,209
Liberty Mutual Group, Inc., 7.00%, 3/07/67 (b)(c)		1,245		1,076,925
MetLife, Inc., 6.40%, 12/15/36		2,554		2,742,383
Voya Financial, Inc., 5.65%, 5/15/53 (b)		4,500		4,224,600

				14,645,902
Total Capital Trusts — 11.3%				88,070,934



Preferred Stocks	Shares
Banks — 1.3%
U.S. Bancorp, 6.00% (b)(g)		300,000		7,941,000
Wells Fargo & Co., 5.85% (b)(g)		75,000		1,986,750

				9,927,750
Capital Markets — 0.4%
Goldman Sachs Group, Inc., Series J, 5.50% (b)(g)		92,000		2,382,800



20	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)



Preferred Stocks		Shares			Value
Capital Markets (continued)
SCE Trust III, 5.75% (b)(g)			25,314		$	748,029

						3,130,829
Thrifts & Mortgage Finance — 0.0%
Fannie Mae, Series S, 8.25% (b)(g)			10,000			46,800
Total Preferred Stocks — 1.7%						13,105,379



Trust Preferred — 0.1%
Diversified Financial Services — 0.1%
Citigroup Capital XIII			29,583			766,923
Total Preferred Securities — 13.1%						101,943,236



U.S. Government Sponsored Agency Securities		Par (000)
Agency Obligations — 1.5%
Fannie Mae, 5.63%, 7/15/37 (e)	USD		1,600			2,246,429
Federal Home Loan Bank (e):
5.25%, 12/09/22			1,375			1,665,301
5.37%, 9/09/24			2,175			2,721,612
Resolution Funding Corp. (i):
0.00%, 4/15/30			6,055			4,127,245
0.00%, 7/15/18 - 10/15/18			1,050			1,026,720

						11,787,307
Collateralized Mortgage Obligations — 0.1%
Fannie Mae Mortgage-Backed Securities:
Series 2005-5, Class PK, 5.00%, 12/25/34			238			250,062
Series 1991-87, Class S, 25.50%, 8/25/21 (b)			6			7,576
Series G-49, Class S, 988.42%, 12/25/21 (b)			—	(j)		66
Series G-07, Class S, 1,094.26%, 3/25/21 (b)			—	(j)		348
Series 1991-46, Class S, 2,416.87%, 5/25/21 (b)			—	(j)		1
Freddie Mac Mortgage-Backed Securities (j):
Series 0173, Class RS, 10.11%, 11/15/21 (b)			—	(j)		2

						258,055



U.S. Government Sponsored Agency Securities		Par (000)			Value
Commercial Mortgage-Backed Securities — 0.7%
Freddie Mac, Series K013, Class A2, 3.97%, 1/25/21	USD		1,870		$	2,048,241
Freddie Mac Mortgage-Backed Securities, Series 2013-K24, Class B, 3.50%, 11/25/45 (b)(c)			3,500			3,556,490

						5,604,731
Interest Only Collateralized Mortgage Obligations — 1.0%
Fannie Mae Mortgage-Backed Securities:
Series 1997-50, Class SI, 1.20%, 4/25/23 (b)			53			1,431
Series 2012-96, Class DI, 4.00%, 2/25/27			7,648			640,539
Series 2012-M9, Class X1, 4.02%, 12/25/17 (b)			16,348			600,454
Series 2012-47, Class NI, 4.50%, 4/25/42			6,889			1,062,557
Series 089, Class 2, 8.00%, 10/25/18			—	(j)		9
Series 007, Class 2, 8.50%, 4/25/17			—	(j)		4
Series G92-05, Class H, 9.00%, 1/25/22			1			63
Series 094, Class 2, 9.50%, 8/25/21			—	(j)		49
Series 1990-136, Class S, 19.63%, 11/25/20 (b)			2			2
Series 1991-139, Class PT, 648.35%, 10/25/21			—	(j)		1
Series G-10, Class S, 1,058.62%, 5/25/21 (b)			—	(j)		1
Series G-12, Class S, 1,123.62%, 5/25/21 (b)			—	(j)		1
Freddie Mac Mortgage-Backed Securities:
Series K707, Class X1, 1.54%, 12/25/18 (b)			4,799			157,641
Series 2611, Class QI, 5.50%, 9/15/32			766			48,334
Series 1254, Class Z, 8.50%, 4/15/22			23			4,655
Series 1043, Class H, 43.04%, 2/15/21 (b)			2			3



BLACKROCK CORE BOND TRUST	MAY 31, 2016	21


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


U.S. Government Sponsored Agency Securities	Par (000)				Value
Interest Only Collateralized Mortgage Obligations (continued)
Ginnie Mae Mortgage-Backed Securities (b):
Series 2009-78, Class SD, 5.76%, 9/20/32		USD	6,964		$	1,339,260
Series 2009-116, Class KS, 6.04%, 12/16/39			2,867			465,268
Series 2011-52, Class NS, 6.24%, 4/16/41			18,900			3,749,224

						8,069,496
Mortgage-Backed Securities — 5.6%
Fannie Mae Mortgage-Backed Securities:
3.00%, 8/01/43			11,841			12,178,037
4.00%, 12/01/41 - 12/01/43 (e)			7,284			7,831,916
4.50%, 7/01/41 - 4/01/42			16,096			17,561,336
5.00%, 8/01/34			2,663			2,967,307
5.50%, 7/01/16 - 6/01/38			1,416			1,603,786
6.00%, 6/01/16 - 12/01/38 (e)(j)			1,170			1,336,087
Freddie Mac Mortgage-Backed Securities, 6.00%, 6/1/16 - 12/1/18			68			68,330
Ginnie Mae Mortgage-Backed Securities:
5.50%, 8/15/33			59			66,517
8.00%, 7/15/24			—	(j)		246

						43,613,562
Principal Only Collateralized Mortgage Obligations — 0.0%
Fannie Mae Mortgage-Backed Securities, 0.00%, 2/25/23 - 6/25/23 (i)			17			16,390
Total U.S. Government Sponsored Agency Securities — 8.9%						69,349,541


U.S. Treasury Obligations	Par (000)				Value
U.S. Treasury Bonds (e):
3.00%, 11/15/44		USD		70,500	$	75,933,435
2.50%, 2/15/46				55,000		53,468,140
U.S. Treasury Notes, 1.63%, 2/15/26 (e)				15,000		14,702,925
Total U.S. Treasury Obligations — 18.4%						144,104,500
Total Long-Term Investments (Cost — $1,028,377,039) — 136.2%						1,064,542,761



Short-Term Securities — 1.7%			Shares
BlackRock Liquidity Funds, TempFund, Institutional Class, 0.42% (k)(l)				12,939,392		12,939,392
Total Short-Term Securities (Cost — $12,939,392) — 1.7%						12,939,392
Options Purchased (Cost — $5,085,664) — 0.6%						4,604,656
Total Investments Before Options Written (Cost — $1,046,402,095) — 138.5%						1,082,086,809
Options Written (Premiums Received — $8,899,128) — (0.8)%						(6,170,813	)
Total Investments, Net of Options Written (Cost — $1,037,502,967) — 137.7%						1,075,915,996
Liabilities in Excess of Other Assets — (37.7)%						(294,342,581	)

Net Assets — 100.0%					$	781,573,415

As of May 31, 2016, gross unrealized appreciation and depreciation based on cost for federal income tax purposes were as follows:


Tax cost	$	1,046,057,039

Gross unrealized appreciation	$	53,658,623
Gross unrealized depreciation		(17,628,853	)

Net unrealized appreciation	$	36,029,770



22	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


Notes to Schedule of Investments

(a)

Non-income producing security.

(b)

Variable rate security. Rate as of period end.

(c)

Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

(d)

When-issued security.

(e)

All or a portion of security has been pledged as collateral in connection with outstanding reverse repurchase agreements.

(f)

Payment-in-kind security which may pay interest/dividends in additional par/shares and/or in cash. Rates shown are the current rate and possible payment rates.

(g)

Perpetual security with no stated maturity date.

(h)

Convertible security.

(i)

Zero-coupon bond.

(j)

Amount is less than $500.

(k)

During the period ended May 31, 2016, investments in issuers considered to be affiliates of the Trust for purposes of Section 2(a)(3) of the Investment Company Act of 1940, as amended, were as follows:


Affiliate	Shares Held at August 31, 2015		Net Activity		Shares Held at May 31, 2016		Value at May 31, 2016		Income
BlackRock Liquidity Funds, TempFund, Institutional Class		9,920,365		3,019,027		12,939,392	$	12,939,392	$	32,032

(l)

Current yield as of period end.

For Trust compliance purposes, the Trust’s industry classifications refer to any one or more of the industry sub-classifications used by one or more widely recognized market indexes or ratings group indexes, and/or as defined by the investment advisor. These definitions may not apply for purposes of this report, which may combine such industry sub-classifications for reporting ease.

Portfolio Abbreviations


ADS		American Depositary Shares
AUD		Australian Dollar
CAD		Canadian Dollar
CHF		Swiss Franc
CLO		Collateralized Loan Obligation
CR		Custodian Receipt
EUR		Euro
GBP		British Pound
GO		General Obligation Bonds
JPY		Japanese Yen
LIBOR		London Interbank Offered Rate
MBS		Mortgage-Backed Security
MSCI		Morgan Stanley Capital International
NOK		Norwegian Krone
NZD		New Zealand Dollar
OTC		Over-the-Counter
PIK		Payment-In-Kind
RB		Revenue Bonds
SEK		Swedish Krona
USD		U.S. Dollar
ZAR		South African Rand



BLACKROCK CORE BOND TRUST	MAY 31, 2016	23


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)

Reverse Repurchase Agreements

Counterparty

Interest
Rate

Trade
Date

Maturity
Date¹

Face Value

Face Value
Including
Accrued
Interest

Type of
Underlying
Collateral

Remaining
Contractual
Maturity of
the Agreements

Merrill Lynch, Pierce, Fenner & Smith, Inc.

0.22%

6/02/15

Open

1,323,001

1,325,944

U.S. Government Sponsored Agency Securities

Open/Demand¹

Merrill Lynch, Pierce, Fenner & Smith, Inc.

0.22%

6/02/15

Open

830,000

831,846

U.S. Government Sponsored Agency Securities

Open/Demand¹

Barclays Capital, Inc.

0.55%

12/17/15

Open

546,875

548,262

Corporate Bonds

Open/Demand¹

Barclays Capital, Inc.

0.55%

12/17/15

Open

518,150

519,464

Corporate Bonds

Open/Demand¹

Barclays Capital, Inc.

0.55%

12/17/15

Open

994,500

997,022

Corporate Bonds

Open/Demand¹

Barclays Capital, Inc.

0.55%

12/17/15

Open

355,781

356,684

Corporate Bonds

Open/Demand¹

Barclays Capital, Inc.

0.55%

12/17/15

Open

1,014,125

1,016,697

Corporate Bonds

Open/Demand¹

Barclays Capital, Inc.

0.55%

12/17/15

Open

971,438

973,901

Corporate Bonds

Open/Demand¹

Barclays Capital, Inc.

0.55%

12/17/15

Open

4,831,250

4,843,503

Corporate Bonds

Open/Demand¹

Barclays Capital, Inc.

0.55%

12/17/15

Open

718,875

720,698

Corporate Bonds

Open/Demand¹

Barclays Capital, Inc.

0.55%

12/17/15

Open

2,973,750

2,981,292

Corporate Bonds

Open/Demand¹

Credit Suisse Securities (USA) LLC

0.65%

12/17/15

Open

950,950

953,800

Corporate Bonds

Open/Demand¹

Credit Suisse Securities (USA) LLC

0.65%

12/17/15

Open

1,454,375

1,458,734

Corporate Bonds

Open/Demand¹

Credit Suisse Securities (USA) LLC

0.65%

12/17/15

Open

1,104,688

1,107,998

Corporate Bonds

Open/Demand¹

Credit Suisse Securities (USA) LLC

0.75%

12/17/15

Open

1,509,269

1,514,488

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

1,713,750

1,718,807

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

3,131,250

3,140,491

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

1,228,500

1,232,125

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

2,028,510

2,034,496

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

1,693,125

1,698,122

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

4,342,500

4,355,315

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

1,822,500

1,827,878

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

2,036,475

2,042,485

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

1,909,860

1,915,496

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

1,835,000

1,840,415

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

1,435,225

1,439,461

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

2,019,250

2,025,209

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

2,175,000

2,181,419

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

2,002,725

2,008,635

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

1,448,563

1,452,837

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

12/17/15

Open

4,725,000

4,738,944

Corporate Bonds

Open/Demand¹

HSBC Securities (USA), Inc.

0.65%

12/18/15

Open

3,995,000

4,006,758

Corporate Bonds

Open/Demand¹

HSBC Securities (USA), Inc.

0.65%

12/18/15

Open

2,857,000

2,865,408

Corporate Bonds

Open/Demand¹

HSBC Securities (USA), Inc.

0.65%

12/18/15

Open

3,930,000

3,941,566

Corporate Bonds

Open/Demand¹

HSBC Securities (USA), Inc.

0.65%

12/18/15

Open

3,529,000

3,539,386

Corporate Bonds

Open/Demand¹

HSBC Securities (USA), Inc.

0.65%

12/18/15

Open

7,342,000

7,363,608

Capital Trusts

Open/Demand¹

HSBC Securities (USA), Inc.

0.65%

12/18/15

Open

3,698,000

3,708,883

Corporate Bonds

Open/Demand¹

HSBC Securities (USA), Inc.

0.65%

12/18/15

Open

4,884,000

4,898,374

Corporate Bonds

Open/Demand¹

UBS Ltd.

0.75%

2/02/16

Open

2,176,875

2,182,292

Corporate Bonds

Open/Demand¹

UBS Ltd.

0.75%

2/02/16

Open

2,323,000

2,328,781

Corporate Bonds

Open/Demand¹



24	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)

Reverse Repurchase Agreements (continued)

Counterparty

Interest
Rate

Trade
Date

Maturity
Date¹

Face Value

Face Value
Including
Accrued
Interest

Type of
Underlying
Collateral

Remaining
Contractual
Maturity of
the Agreements

UBS Ltd.

0.75%

2/02/16

Open

1,729,125

1,733,428

Corporate Bonds

Open/Demand¹

UBS Ltd.

0.75%

2/02/16

Open

626,775

628,335

Corporate Bonds

Open/Demand¹

RBC Capital Markets, LLC

0.64%

2/11/16

Open

687,375

688,719

Corporate Bonds

Open/Demand¹

UBS Ltd.

0.75%

2/12/16

Open

1,464,375

1,467,731

Corporate Bonds

Open/Demand¹

Deutsche Bank AG

0.20%

4/22/16

Open

24,156,250

24,168,422

U.S. Treasury Obligations

Open/Demand¹

BNP Paribas Securites Corp.

0.39%

5/03/16

Open

70,768,750

70,790,217

U.S. Treasury Obligations

Open/Demand¹

BNP Paribas Securites Corp.

0.46%

5/03/16

Open

1,397,975

1,398,475

U.S. Government Sponsored Agency Securities

Open/Demand¹

BNP Paribas Securites Corp.

0.46%

5/03/16

Open

850,025

850,329

U.S. Government Sponsored Agency Securities

Open/Demand¹

BNP Paribas Securites Corp.

0.46%

5/03/16

Open

1,398,375

1,398,875

U.S. Government Sponsored Agency Securities

Open/Demand¹

BNP Paribas Securites Corp.

0.46%

5/03/16

Open

871,500

871,812

U.S. Government Sponsored Agency Securities

Open/Demand¹

Credit Agricole Securities (USA) Inc.

0.34%

5/05/16

Open

29,287,500

29,294,545

U.S. Treasury Obligations

Open/Demand¹

BNP Paribas Securites Corp.

0.32%

5/06/16

Open

14,850,000

14,851,040

U.S. Treasury Obligations

Open/Demand¹

Bank of Montreal

0.49%

5/11/16

6/13/16

1,294,000

1,294,352

U.S. Government Sponsored Agency Obligations

Up to 30 Days

HSBC Securities (USA), Inc.

0.53%

5/11/16

6/13/16

36,692,000

36,702,804

U.S. Government Sponsored Agency Obligations

Up to 30 Days

Merrill Lynch, Pierce, Fenner & Smith, Inc.

0.51%

5/11/16

6/13/16

4,314,000

4,315,222

U.S. Government Sponsored Agency Obligations

Up to 30 Days

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

1,198,000

1,198,324

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

803,000

803,217

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

506,000

506,137

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

506,000

506,137

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

837,000

837,227

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

2,483,000

2,483,672

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

970,000

970,263

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

1,053,000

1,053,285

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

1,053,000

1,053,285

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

1,525,000

1,525,413

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

1,012,000

1,012,274

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

2,405,000

2,405,651

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

1,151,875

1,152,187

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

2,405,000

2,405,651

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

1,796,000

1,796,486

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

1,198,000

1,198,324

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

1,960,000

1,960,531

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

1,558,000

1,558,422

Corporate Bonds

Open/Demand¹

BNP Paribas Securities Corp.

0.75%

5/18/16

Open

1,981,000

1,981,537

Corporate Bonds

Open/Demand¹



BLACKROCK CORE BOND TRUST	MAY 31, 2016	25


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)

Reverse Repurchase Agreements (continued)

Counterparty

Interest
Rate

Trade
Date

Maturity
Date¹

Face Value

Face Value
Including
Accrued
Interest

Type of
Underlying
Collateral

Remaining
Contractual
Maturity of
the Agreements

Deutsche Bank AG

2.00%

5/20/16

Open

329,360

329,195

Corporate Bonds

Open/Demand¹

Total

307,497,395

307,829,048

¹ Certain agreements have no stated maturity and can be terminated by either party at any time.

Derivative Financial Instruments Outstanding as of Period End

Futures Contracts


Contracts Long (Short)			Issue	Expiration	Notional Value		Unrealized Appreciation (Depreciation)
	(45	)	German Euro BOBL Futures	June 2016	EUR	6,578,100	$	(44	)
	(60	)	German Euro-Bund Futures	June 2016	EUR	10,946,476		1,944
	(400	)	10-Year U.S. Treasury Note	September 2016	USD	51,875,000		(85,150	)
	48		10-Year U.S. Ultra Long Treasury Note	September 2016	USD	6,768,750		(437	)
	205		2-Year U.S. Treasury Note	September 2016	USD	44,670,781		23,860
	664		5-Year U.S. Treasury Note	September 2016	USD	79,757,813		51,987
	(42	)	Long U.S. Treasury Bond	September 2016	USD	6,859,125		(36,246	)
	140		Ultra Long U.S. Treasury Bond	September 2016	USD	24,517,500		61,988
	175		90 Day Euro Future	December 2016	USD	43,211,875		(31,532	)
	(225	)	90 Day Euro Future	December 2016	USD	55,434,375		17,831
	45		90 Day Euro Future	March 2016	USD	11,082,375		7,751
	Total						$	11,952

Forward Foreign Currency Exchange Contracts


Currency Purchased		Currency Sold		Counterparty	Settlement Date		Unrealized Appreciation (Depreciation)
CAD	2,504,038	USD	1,950,000	Citibank N.A.		6/02/16	$	(40,497	)
AUD	2,660,000	NZD	2,859,989	Morgan Stanley & Co. International PLC		6/03/16		(12,523	)
AUD	10,465,000	USD	8,067,102	Bank of America N.A.		6/03/16		(503,821	)
AUD	7,565,000	USD	5,666,887	Goldman Sachs International		6/03/16		(199,498	)
CAD	2,445,000	JPY	211,022,888	HSBC Bank PLC		6/03/16		(41,219	)
JPY	216,714,192	CAD	2,460,000	Northern Trust Co.		6/03/16		81,177
SEK	16,017,378	EUR	1,720,000	Morgan Stanley & Co. International PLC		6/03/16		6,487
USD	3,889,413	AUD	5,105,000	Goldman Sachs International		6/03/16		199,919
USD	1,952,667	AUD	2,670,000	HSBC Bank PLC		6/03/16		23,000
USD	5,665,871	AUD	7,625,000	Northern Trust Co.		6/03/16		155,119
USD	1,945,000	CAD	2,437,362	Citibank N.A.		6/03/16		86,350
USD	112,878	EUR	100,000	Citibank N.A.		6/06/16		1,599
USD	698,419	EUR	611,000	Morgan Stanley & Co. International PLC		6/06/16		18,506
USD	8,475,769	EUR	7,445,000	Morgan Stanley & Co. International PLC		6/06/16		191,067
USD	108,153	EUR	95,000	Morgan Stanley & Co. International PLC		6/06/16		2,438
USD	147,490	EUR	129,000	Morgan Stanley & Co. International PLC		6/06/16		3,941



26	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)

Forward Foreign Currency Exchange Contracts (continued)


Currency Purchased		Currency Sold		Counterparty	Settlement Date		Unrealized Appreciation (Depreciation)
USD	147,493	EUR	129,000	Morgan Stanley & Co. International PLC		6/06/16	$	3,943
USD	62,891	EUR	55,000	Morgan Stanley & Co. International PLC		6/06/16		1,688
USD	114,083	EUR	101,000	Morgan Stanley & Co. International PLC		6/06/16		1,691
USD	1,393,173	EUR	1,228,000	Morgan Stanley & Co. International PLC		6/06/16		26,670
USD	113,343	EUR	100,000	Morgan Stanley & Co. International PLC		6/06/16		2,064
USD	165,119	EUR	145,000	Royal Bank of Scotland PLC		6/06/16		3,765
USD	113,255	EUR	100,000	Royal Bank of Scotland PLC		6/06/16		1,976
USD	138,831	GBP	96,000	Morgan Stanley & Co. International PLC		6/06/16		(213	)
USD	82,244	GBP	57,000	Royal Bank of Scotland PLC		6/06/16		(313	)
USD	1,122,851	GBP	778,000	Royal Bank of Scotland PLC		6/06/16		(3,983	)
USD	11,944,450	GBP	8,171,000	State Street Bank and Trust Co.		6/06/16		109,797
AUD	2,660,000	NZD	2,900,068	JPMorgan Chase Bank N.A.		6/15/16		(39,291	)
CAD	2,547,773	GBP	1,335,000	Citibank N.A.		6/15/16		9,112
EUR	845,000	ZAR	14,362,430	Citibank N.A.		6/15/16		29,128
GBP	1,335,000	CAD	2,558,267	Northern Trust Co.		6/15/16		(17,114	)
GBP	1,350,000	NZD	2,899,151	Citibank N.A.		6/15/16		(4,820	)
NZD	2,927,784	GBP	1,350,000	Citibank N.A.		6/15/16		24,180
USD	1,950,065	AUD	2,650,000	Morgan Stanley & Co. International PLC		6/15/16		35,717
ZAR	14,579,641	EUR	845,000	Morgan Stanley & Co. International PLC		6/15/16		(15,343	)
AUD	5,114,457	GBP	2,655,000	Goldman Sachs International		6/30/16		(153,456	)
AUD	5,427,568	GBP	2,665,000	Northern Trust Co.		6/30/16		58,127
GBP	1,966,143	AUD	3,881,284	BNP Paribas Securities Corp.		6/30/16		45,912
GBP	743,857	AUD	1,468,609	Goldman Sachs International		6/30/16		17,233
AUD	2,545,000	NOK	15,742,472	Royal Bank of Scotland PLC		7/01/16		(44,226	)
NOK	12,765,658	AUD	2,129,116	Deutsche Bank AG		7/01/16		(11,327	)
NOK	3,248,549	AUD	540,884	UBS AG		7/01/16		(2,215	)
NOK	16,173,605	NZD	2,880,000	Bank of America N.A.		7/06/16		(12,133	)
SEK	32,353,362	CHF	3,860,000	Northern Trust Co.		7/06/16		(5,293	)
USD	961,453	EUR	861,000	Barclays Bank PLC		7/06/16		2,319
USD	10,455,381	EUR	9,363,000	Barclays Bank PLC		7/06/16		25,214
USD	98,110	EUR	88,000	HSBC Bank PLC		7/06/16		80
USD	1,269,724	GBP	867,000	Barclays Bank PLC		7/06/16		13,695
USD	11,777,533	GBP	8,042,000	Barclays Bank PLC		7/06/16		127,027
Total							$	201,656

Exchange-Traded Options Purchased

Description

Put/
Call

Expiration
Date

Strike
Price

Contracts

Value

U.S. 10 Year Note

Call

8/26/16

USD 131.50

32,297

U.S. 10 Year Note

Put

7/22/16

USD 129.00

19,219

Total

51,516



BLACKROCK CORE BOND TRUST	MAY 31, 2016	27


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)

OTC Interest Rate Swaptions Purchased

Description

Counterparty

Put/
Call

Exercise
Rate

Pay/

Receive
Exercise Rate

Floating Rate
Index

Expiration
Date

Notional
Amount
(000)

Value

5-Year Interest Rate Swap

Deutsche Bank AG

Call

1.35

Receive

3-Month LIBOR

11/17/16

USD

5,000

42,168

5-Year Interest Rate Swap

Citibank N.A.

Call

1.39

Receive

3-Month LIBOR

11/18/16

USD

5,000

46,090

10-Year Interest Rate Swap

JPMorgan Chase Bank N.A.

Call

2.25

Receive

3-Month LIBOR

2/17/17

USD

3,000

153,862

2-Year Interest Rate Swap

Citibank N.A.

Call

1.55

Receive

3-Month LIBOR

1/25/18

USD

40,000

360,532

10-Year Interest Rate Swap

Barclays Bank PLC

Call

1.65

Receive

3-Month LIBOR

1/07/19

USD

4,920

164,801

10-Year Interest Rate Swap

Deutsche Bank AG

Call

1.65

Receive

3-Month LIBOR

1/07/19

USD

4,920

164,801

30-Year Interest Rate Swap

Goldman Sachs Bank USA

Call

2.47

Receive

3-Month LIBOR

1/22/19

USD

650

85,407

10-Year Interest Rate Swap

Citibank N.A.

Call

1.50

Receive

3-Month LIBOR

2/04/19

USD

5,000

145,946

30-Year Interest Rate Swap

Deutsche Bank AG

Call

3.12

Receive

3-Month LIBOR

9/17/20

USD

800

185,049

30-Year Interest Rate Swap

JPMorgan Chase Bank N.A.

Call

3.12

Receive

3-Month LIBOR

9/17/20

USD

800

185,049

30-Year Interest Rate Swap

Goldman Sachs Bank USA

Call

2.40

Receive

3-Month LIBOR

2/08/21

USD

670

94,054

30-Year Interest Rate Swap

JPMorgan Chase Bank N.A.

Call

2.42

Receive

3-Month LIBOR

2/08/21

USD

670

95,462

30-Year Interest Rate Swap

Deutsche Bank AG

Call

2.40

Receive

3-Month LIBOR

2/09/21

USD

1,000

140,415

30-Year Interest Rate Swap

JPMorgan Chase Bank N.A.

Call

2.50

Receive

3-Month LIBOR

4/27/21

USD

1,070

163,061

10-Year Interest Rate Swap

JPMorgan Chase Bank N.A.

Call

3.03

Receive

3-Month LIBOR

12/10/25

USD

2,000

192,542

10-Year Interest Rate Swap

Barclays Bank PLC

Call

2.83

Receive

3-Month LIBOR

1/13/26

USD

2,000

174,498

30-Year Interest Rate Swap

JPMorgan Chase Bank N.A.

Put

3.30

Pay

3-Month LIBOR

9/21/16

USD

4,020

894

30-Year Interest Rate Swap

UBS Securities LLC

Put

2.85

Pay

3-Month LIBOR

10/14/16

USD

6,000

18,422

5-Year Interest Rate Swap

Deutsche Bank AG.

Put

1.35

Pay

3-Month LIBOR

11/17/16

USD

5,000

60,031

5-Year Interest Rate Swap

Citibank N.A.

Put

1.39

Pay

3-Month LIBOR

11/18/16

USD

5,000

55,532

30-Year Interest Rate Swap

Barclays Bank PLC

Put

2.40

Pay

3-Month LIBOR

4/13/17

USD

2,650

114,956

10-Year Interest Rate Swap

Barclays Bank PLC

Put

3.65

Pay

3-Month LIBOR

1/07/19

USD

4,920

37,937

10-Year Interest Rate Swap

Deutsche Bank AG

Put

3.65

Pay

3-Month LIBOR

1/07/19

USD

4,920

37,937

30-Year Interest Rate Swap

Goldman Sachs Bank USA

Put

2.47

Pay

3-Month LIBOR

1/22/19

USD

650

57,808

10-Year Interest Rate Swap

Citibank N.A.

Put

3.00

Pay

3-Month LIBOR

2/04/19

USD

5,000

87,764

30-Year Interest Rate Swap

Goldman Sachs Bank USA

Put

2.55

Pay

3-Month LIBOR

4/04/19

USD

3,600

306,251



28	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)

OTC Interest Rate Swaptions Purchased (continued)

Description

Counterparty

Put/
Call

Exercise
Rate

Pay/

Receive
Exercise Rate

Floating Rate
Index

Expiration
Date

Notional
Amount
(000)

Value

30-Year Interest Rate Swap

Deutsche Bank AG

Put

3.12

Pay

3-Month LIBOR

9/17/20

USD

800

49,405

30-Year Interest Rate Swap

JPMorgan Chase Bank N.A.

Put

3.12

Pay

3-Month LIBOR

9/17/20

USD

800

49,405

10-Year Interest Rate Swap

Bank of America N.A.

Put

3.50

Pay

3-Month LIBOR

2/01/21

USD

4,000

89,767

30-Year Interest Rate Swap

Goldman Sachs Bank USA

Put

2.40

Pay

3-Month LIBOR

2/08/21

USD

670

86,455

30-Year Interest Rate Swap

JPMorgan Chase Bank N.A.

Put

2.42

Pay

3-Month LIBOR

2/08/21

USD

670

84,985

30-Year Interest Rate Swap

Deutsche Bank AG

Put

2.40

Pay

3-Month LIBOR

2/09/21

USD

1,000

129,086

30-Year Interest Rate Swap

JPMorgan Chase Bank N.A.

Put

2.50

Pay

3-Month LIBOR

4/27/21

USD

1,070

129,126

10-Year Interest Rate Swap

JPMorgan Chase Bank N.A.

Put

3.03

Pay

3-Month LIBOR

12/10/25

USD

2,000

106,197

10-Year Interest Rate Swap

Barclays Bank PLC

Put

2.83

Pay

3-Month LIBOR

1/13/26

USD

2,000

119,748

Total

4,015,443

OTC Options Purchased

Description

Put/
Call

Counterparty

Expiration
Date

Strike

Price

Notional
Amount

(000)

Value

CAD Currency

Call

Barclays Bank PLC

6/01/16

JPY

87.25

CAD

9,935

GBP Currency

Call

BNP Paribas Securities Corp.

6/28/16

AUD

2.03

GBP

5,410

100,052

AUD Currency

Call

Citibank N.A.

6/29/16

NOK

6.60

AUD

7,480

573

AUD Currency

Call

Deutsche Bank AG

6/2916

NOK

6.60

AUD

7,480

573

EUR Currency

Call

Deutsche Bank AG

7/29/16

USD

1.14

EUR

10,535

92,250

AUD Currency

Put

HSBC Bank PLC

6/01/16

USD

0.70

AUD

10,465

—

USD Currency

Put

BNP Paribas Securities Corp.

6/01/16

CAD

1.26

USD

7,760

—

NZD Currency

Put

HSBC Bank PLC

6/15/16

USD

0.68

NZD

28,045

228,633

AUD Currency

Put

UBS Securities LLC

6/29/16

NOK

5.85

AUD

14,960

30,783

EUR Currency

Put

Deutsche Bank AG

7/29/16

USD

1.09

EUR

10,530

84,825

Total

537,697

Exchange-Traded Options Written


Description	Put/ Call	Expiration Date		Strike Price		Contracts		Value
U.S. 10 Year Note	Call		6/24/16	USD	133.00		53	$	(2,484	)
90-Day Euro Future	Call		12/19/16	USD	99.25		110		(11,688	)
Total								$	(14,172	)



BLACKROCK CORE BOND TRUST	MAY 31, 2016	29


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)

OTC Interest Rate Swaptions Written


Description	Counterparty	Put/ Call	Exercise Rate			Pay/ Receive Exercise Rate	Floating Rate Index	Expiration Date		Notional Amount (000)		Value
5-Year Interest Rate Swap	Deutsche Bank AG	Call		2.10	%	Pay	3-Month LIBOR		12/05/16	USD	6,700	$	(228,328	)
5-Year Interest Rate Swap	Barclays Bank PLC	Call		0.01	%	Pay	3-Month LIBOR		2/10/17	EUR	39,800		(213,409	)
10-Year Interest Rate Swap	JPMorgan Chase Bank N.A.	Call		1.50	%	Pay	3-Month LIBOR		2/17/17	USD	4,500		(61,773	)
5-Year Interest Rate Swap	Barclays Bank PLC	Call		0.01	%	Pay	3-Month LIBOR		2/17/17	EUR	4,500		(24,458	)
5-Year Interest Rate Swap	UBS AG	Call		0.01	%	Pay	3-Month LIBOR		3/10/17	EUR	10,000		(56,195	)
5-Year Interest Rate Swap	UBS AG	Call		0.10	%	Pay	3-Month LIBOR		10/26/17	EUR	6,200		(56,522	)
10-Year Interest Rate Swap	Goldman Sachs Bank USA	Call		0.15	%	Pay	3-Month LIBOR		12/04/17	EUR	10,000		(105,557	)
2-Year Interest Rate Swap	Barclays Bank PLC	Call		1.05	%	Pay	3-Month LIBOR		12/15/17	USD	39,800		(175,275	)
2-Year Interest Rate Swap	Credit Suisse Securities (USA) LLC	Call		1.05	%	Pay	3-Month LIBOR		12/18/17	USD	19,900		(88,036	)
2-Year Interest Rate Swap	Barclays Bank PLC	Call		0.88	%	Pay	3-Month LIBOR		1/08/18	USD	8,200		(28,519	)
2-Year Interest Rate Swap	Citibank N.A.	Call		1.05	%	Pay	3-Month LIBOR		1/25/18	USD	60,000		(276,463	)
2-Year Interest Rate Swap	Deutsche Bank AG	Call		0.70	%	Pay	3-Month LIBOR		2/09/18	USD	11,000		(29,872	)
2-Year Interest Rate Swap	Barclays Bank PLC	Call		0.90	%	Pay	3-Month LIBOR		2/12/18	USD	17,600		(66,233	)
5-Year Interest Rate Swap	Barclays Bank PLC	Call		0.25	%	Pay	3-Month LIBOR		3/12/18	EUR	3,450		(46,071	)
2-Year Interest Rate Swap	JP Morgan Chase Bank N.A.	Call		1.00	%	Pay	3-Month LIBOR		3/16/18	USD	6,500		(29,350	)
2-Year Interest Rate Swap	Goldman Sachs & Co.	Call		1.00	%	Pay	3-Month LIBOR		3/19/18	USD	38,200		(173,621	)
2-Year Interest Rate Swap	Goldman Sachs & Co.	Call		0.85	%	Pay	3-Month LIBOR		4/06/18	USD	25,000		(94,760	)
2-Year Interest Rate Swap	Goldman Sachs & Co.	Call		0.75	%	Pay	3-Month LIBOR		4/12/18	USD	38,200		(123,394	)
2-Year Interest Rate Swap	Deutsche Bank AG	Call		0.90	%	Pay	3-Month LIBOR		4/16/18	USD	38,800		(157,896	)
2-Year Interest Rate Swap	JPMorgan Chase Bank N.A.	Call		0.85	%	Pay	3-Month LIBOR		4/27/18	USD	15,000		(57,370	)
2-Year Interest Rate Swap	Deutsche Bank AG	Call		0.90	%	Pay	3-Month LIBOR		4/30/18	USD	17,100		(71,021	)
10-Year Interest Rate Swap	Barclays Bank PLC	Call		2.50	%	Pay	3-Month LIBOR		1/07/19	USD	4,100		(294,747	)
10-Year Interest Rate Swap	Deutsche Bank AG	Call		2.50	%	Pay	3-Month LIBOR		1/07/19	USD	4,100		(294,747	)
10-Year Interest Rate Swap	Citibank N.A.	Call		2.15	%	Pay	3-Month LIBOR		2/04/19	USD	4,000		(215,149	)
5-Year Interest Rate Swap	Deutsche Bank AG	Put		0.75	%	Receive	3-Month LIBOR		9/02/16	EUR	10,400		(180	)



30	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)

OTC Interest Rate Swaptions Written (continued)


Description	Counterparty	Put/ Call	Exercise Rate			Pay/ Receive Exercise Rate	Floating Rate Index	Expiration Date		Notional Amount (000)		Value
5-Year Interest Rate Swap	JPMorgan Chase Bank N.A.	Put		2.45	%	Receive	3-Month LIBOR		9/21/16	USD	16,900	$	(2,307	)
5-Year Interest Rate Swap	Goldman Sachs Bank USA	Put		2.00	%	Receive	3-Month LIBOR		10/03/16	USD	1,000		(1,070	)
5-Year Interest Rate Swap	Deutsche Bank AG	Put		2.10	%	Receive	3-Month LIBOR		12/05/16	USD	6,700		(11,231	)
5-Year Interest Rate Swap	JPMorgan Chase Bank N.A.	Put		2.20	%	Receive	3-Month LIBOR		1/09/17	USD	3,600		(6,342	)
5-Year Interest Rate Swap	Barclays Bank PLC	Put		0.50	%	Receive	3-Month LIBOR		2/10/17	EUR	49,800		(82,865	)
10-Year Interest Rate Swap	JPMorgan Chase Bank N.A.	Put		3.50	%	Receive	3-Month LIBOR		2/17/17	USD	3,000		(1,252	)
5-Year Interest Rate Swap	Barclays Bank PLC	Put		0.51	%	Receive	3-Month LIBOR		2/17/17	EUR	6,000		(10,225	)
5-Year Interest Rate Swap	Barclays Bank PLC	Put		0.45	%	Receive	3-Month LIBOR		2/23/17	EUR	12,100		(26,902	)
5-Year Interest Rate Swap	Deutsche Bank AG	Put		0.45	%	Receive	3-Month LIBOR		2/23/17	EUR	14,200		(31,571	)
5-Year Interest Rate Swap	Barclays Bank PLC	Put		1.60	%	Receive	3-Month LIBOR		4/13/17	USD	12,900		(152,105	)
5-Year Interest Rate Swap	Goldman Sachs & Co.	Put		1.15	%	Receive	3-Month LIBOR		9/11/17	EUR	10,800		(12,878	)
5-Year Interest Rate Swap	Royal Bank of Scotland PLC	Put		1.10	%	Receive	3-Month LIBOR		9/25/17	EUR	10,000		(14,622	)
5-Year Interest Rate Swap	Goldman Sachs Bank USA	Put		2.20	%	Receive	3-Month LIBOR		10/02/17	USD	1,200		(8,137	)
5-Year Interest Rate Swap	Citibank N.A.	Put		0.50	%	Receive	3-Month LIBOR		10/23/17	EUR	3,340		(21,948	)
5-Year Interest Rate Swap	Citibank N.A.	Put		1.00	%	Receive	3-Month LIBOR		10/23/17	EUR	6,670		(14,334	)
5-Year Interest Rate Swap	UBS AG	Put		0.50	%	Receive	3-Month LIBOR		10/26/17	EUR	6,200		(41,352	)
5-Year Interest Rate Swap	UBS AG	Put		1.00	%	Receive	3-Month LIBOR		10/26/17	EUR	12,300		(26,968	)
5-Year Interest Rate Swap	Goldman Sachs Bank USA	Put		0.50	%	Receive	3-Month LIBOR		10/30/17	EUR	7,000		(47,200	)
5-Year Interest Rate Swap	Goldman Sachs Bank USA	Put		1.00	%	Receive	3-Month LIBOR		10/30/17	EUR	14,000		(31,251	)
5-Year Interest Rate Swap	Goldman Sachs Bank USA	Put		0.65	%	Receive	3-Month LIBOR		12/04/17	EUR	10,000		(55,448	)
2-Year Interest Rate Swap	Barclays Bank PLC	Put		1.95	%	Receive	3-Month LIBOR		12/15/17	USD	39,800		(114,685	)
2-Year Interest Rate Swap	Credit Suisse International	Put		2.02	%	Receive	3-Month LIBOR		12/18/17	USD	19,900		(51,906	)
2-Year Interest Rate Swap	Barclays Bank PLC	Put		1.88	%	Receive	3-Month LIBOR		1/08/18	USD	8,200		(28,452	)
5-Year Interest Rate Swap	UBS AG	Put		1.00	%	Receive	3-Month LIBOR		1/08/18	EUR	7,200		(22,420	)
2-Year Interest Rate Swap	Citibank N.A.	Put		2.30	%	Receive	3-Month LIBOR		1/25/18	USD	20,000		(36,434	)
2-Year Interest Rate Swap	Deutsche Bank AG.	Put		1.70	%	Receive	3-Month LIBOR		2/09/18	USD	11,000		(54,932	)



BLACKROCK CORE BOND TRUST	MAY 31, 2016	31


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)

OTC Interest Rate Swaptions Written (continued)


Description	Counterparty	Put/ Call	Exercise Rate			Pay/ Receive Exercise Rate	Floating Rate Index	Expiration Date		Notional Amount (000)		Value
2-Year Interest Rate Swap	Barclays Bank PLC	Put		1.90	%	Receive	3-Month LIBOR		2/12/18	USD	17,600	$	(65,225	)
5-Year Interest Rate Swap	Barclays Bank PLC	Put		0.75	%	Receive	3-Month LIBOR		3/05/18	EUR	15,000		(93,228	)
5-Year Interest Rate Swap	Deutsche Bank AG	Put		0.35	%	Receive	3-Month LIBOR		3/09/18	EUR	22,310		(294,983	)
5-Year Interest Rate Swap	Barclays Bank PLC	Put		0.65	%	Receive	3-Month LIBOR		3/12/18	EUR	3,450		(26,424	)
2-Year Interest Rate Swap	JP Morgan Chase Bank N.A.	Put		2.00	%	Receive	3-Month LIBOR		3/16/18	USD	6,500		(22,551	)
2-Year Interest Rate Swap	Goldman Sachs Bank USA	Put		2.00	%	Receive	3-Month LIBOR		3/19/18	USD	38,200		(133,822	)
2-Year Interest Rate Swap	Goldman Sachs Bank USA .	Put		1.85	%	Receive	3-Month LIBOR		3/29/18	USD	5,000		(22,509	)
2-Year Interest Rate Swap	Goldman Sachs Bank USA	Put		1.85	%	Receive	3-Month LIBOR		4/06/18	USD	25,000		(113,429	)
2-Year Interest Rate Swap	Goldman Sachs Bank USA	Put		1.75	%	Receive	3-Month LIBOR		4/12/18	USD	38,200		(203,247	)
2-Year Interest Rate Swap	Deutsche Bank AG	Put		1.70	%	Receive	3-Month LIBOR		4/16/18	USD	38,800		(223,294	)
2-Year Interest Rate Swap	JP Morgan Chase Bank N.A.	Put		1.75	%	Receive	3-Month LIBOR		4/27/18	USD	15,000		(82,252	)
2-Year Interest Rate Swap	Deutsche Bank AG	Put		1.90	%	Receive	3-Month LIBOR		4/30/18	USD	17,100		(76,664	)
10-Year Interest Rate Swap	Barclays Bank PLC	Put		2.80	%	Receive	3-Month LIBOR		1/07/19	USD	4,100		(87,300	)
10-Year Interest Rate Swap	Deutsche Bank AG	Put		2.80	%	Receive	3-Month LIBOR		1/07/19	USD	4,100		(87,300	)
10-Year Interest Rate Swap	Citibank N.A.	Put		2.35	%	Receive	3-Month LIBOR		2/04/19	USD	4,000		(144,457	)
2-Year Interest Rate Swap	Goldman Sachs International	Put		1.75	%	Receive	3-Month LIBOR		4/04/19	USD	40,000		(363,863	)
10-Year Interest Rate Swap	Bank of America N.A.	Put		5.50	%	Receive	3-Month LIBOR		2/01/21	USD	10,000		(48,975	)
Total												$	(5,967,306	)

OTC Options Written

Description

Put/
Call

Counterparty

Expiration
Date

Strike
Price

Notional
Amount
(000)

Value

AUD Currency

Call

HSBC Bank PLC

6/01/16

USD

0.74

AUD

10,465

(15

)

AUD Currency

Call

UBS AG

6/29/16

NOK

6.60

AUD

14,960

(1,146

)

NZD Currency

Call

UBS AG

7/22/16

NOK

5.93

NZD

28,040

(59,116

)

NZD Currency

Put

HSBC Bank PLC

6/15/16

USD

0.65

NZD

56,090

(60,531

)

NZD Currency

Put

UBS AG

7/22/16

NOK

5.36

NZD

28,040

(68,527

)

Total

(189,335

)



32	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)

Centrally Cleared Interest Rate Swaps

Fixed

Rate

Floating
Rate

Effective
Date

Expiration
Date

Notional
Amount
(000)

Unrealized
Appreciation
(Depreciation)

0.77%¹

3-Month LIBOR

N/A

2/05/18

USD 107,000

396,872

1.40%¹

Overnight USD LIBOR

N/A

5/31/20

USD 10,590

(170,473

)

1.48%¹

Overnight USD LIBOR

N/A

5/31/20

USD 10,030

(192,241

)

1.36%¹

3-Month LIBOR

10/05/16²

11/30/20

USD 37,000

(47,265

)

0.00%³

6-Month EURIBOR

6/10/16²

1/04/21

EUR 5,670

1,129

0.00%¹

6-Month EURIBOR

N/A

5/12/21

EUR 1,800

1,590

0.00%¹

6-Month EURIBOR

6/13/16²

6/13/21

EUR 3,400

1,544

1.55%¹

3-Month LIBOR

9/30/16²

5/15/23

USD 12,600

—

1.57%¹

3-Month LIBOR

9/30/16²

5/15/23

USD 12,400

—

0.40%³

6-Month EURIBOR

6/10/16²

2/15/25

EUR 6,370

(1,301

)

0.42%³

6-Month EURIBOR

6/10/16²

2/15/25

EUR 3,140

3,622

1.73%¹

3-Month LIBOR

N/A

5/03/26

USD 740

(13,803

)

2.41%¹

3-Month LIBOR

N/A

1/19/46

USD 300

(18,309

)

2.33%¹

3-Month LIBOR

N/A

1/25/46

USD 300

(12,959

)

2.25%¹

3-Month LIBOR

N/A

2/05/46

USD 400

(10,279

)

2.06%¹

3-Month LIBOR

N/A

2/12/46

USD 200

4,026

2.16%¹

3-Month LIBOR

N/A

2/12/46

USD 500

(2,372

)

2.04%¹

3-Month LIBOR

N/A

2/16/46

USD 150

4,281

2.11%¹

3-Month LIBOR

N/A

4/07/46

USD 300

2,745

2.26%³

3-Month LIBOR

N/A

4/27/46

USD 100

2,655

2.11%¹

3-Month LIBOR

N/A

5/18/46

USD 150

1,098

Total

(49,440

)

¹ Trust pays a fixed rate and receives the floating rate.

² Forward swap.

³ Trust pays a floating rate and receives the fixed rate.

OTC Credit Default Swaps — Buy Protection


Issuer/Index	Pay Fixed Rate			Counterparty	Expiration Date		Notional Amount (000)		Value			Premiums Paid (Received)		Unrealized Appreciation (Depreciation)
Australia & New Zealand Banking Group Ltd.		1.00	%	Deutsche Bank AG		9/20/17		USD 1	$	(5	)	$	4	$	(9	)
Westpac Banking Corp.		1.00	%	Deutsche Bank AG		9/20/17		USD 1		(4	)		4		(8	)
Total									$	(9	)	$	8	$	(17	)

OTC Credit Default Swaps — Sell Protection


Issuer/Index	Receive Fixed Rate			Counterparty	Expiration Date		Credit Rating¹	Notional Amount (000)²		Value		Premiums Paid (Received)			Unrealized Appreciation (Depreciation)
MetLife, Inc.		1.00	%	Credit Suisse International		9/20/16	A-		USD 1,080	$	4,984	$	(6,322	)	$	11,306
MetLife, Inc.		1.00	%	Deutsche Bank AG		9/20/16	A-		USD 1,460		6,737		(7,744	)		14,481
MetLife, Inc.		1.00	%	Goldman Sachs Bank USA		9/20/16	A-		USD 1,000		4,614		(5,129	)		9,743
MetLife, Inc.		1.00	%	Morgan Stanley Capital Services LLC		9/20/16	A-		USD 550		2,538		(2,537	)		5,075



BLACKROCK CORE BOND TRUST	MAY 31, 2016	33


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)

OTC Credit Default Swaps — Sell Protection (continued)


Issuer/Index	Receive Fixed Rate			Counterparty	Expiration Date		Credit Rating¹	Notional Amount (000)²		Value			Premiums Paid (Received)			Unrealized Appreciation (Depreciation)
MetLife, Inc.		1.00	%	Morgan Stanley Capital Services LLC		9/20/16	A-		USD 1,810	$	8,352		$	(9,414	)	$	17,766
MetLife, Inc.		1.00	%	Citibank N.A.		12/20/16	A-		USD 595		3,994			(4,919	)		8,913
MetLife, Inc.		1.00	%	Citibank, N.A.		12/20/16	A-		USD 575		3,870			(5,154	)		9,024
Markit CMBX North America, Series 8		3.00	%	Barclays Bank PLC		10/17/57	NR		USD 5,000		(914,844	)		(530,799	)		(384,045	)
Markit CMBX North America, Series 8		3.00	%	Credit Suisse International		10/17/57	NR		USD 2,500		(457,422	)		(262,213	)		(195,209	)
Total										$	(1,337,177	)	$	(834,231	)	$	(502,946	)

¹ Using Standard & Poor’s (“S&P’s”) rating of the issuer.
² The maximum potential amount the Trust may pay should a negative credit event take place as defined under the terms of the agreement.

OTC Interest Rate Swaps

Fixed
Rate

Floating
Rate

Counterparty

Effective
Date

Expiration
Date

Notional
Amount
(000)

Unrealized
Appreciation

(Depreciation)

0.0%¹

3-Month LIBOR

JPMorgan Chase Bank N.A.

5/19/25

5/19/35

USD 5,000

31,487

0.0%¹

3-Month LIBOR

JPMorgan Chase Bank N.A.

5/21/25

5/21/35

USD 2,500

23,930

0.0%¹

3-Month LIBOR

Citibank N.A

6/09/25

6/09/35

USD 1,500

14,856

0.0%¹

3-Month LIBOR

Citibank N.A

6/09/25

6/09/35

USD 1,500

15,209

Total

85,482

¹ Trust pays the floating rate and receives the fixed rate.

² Forward swap.



34	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)

Fair Value Hierarchy as of Period End

Various inputs are used in determining the fair value of investments and derivative financial instruments. For information about the Trust’s policy regarding valuation of investments and derivative financial instruments, refer to the Notes to Financial Statements.

•

Level 1 — unadjusted price quotations in active markets/exchanges for identical assets or liabilities that the Trust has the ability to access

•

Level 2 — other observable inputs (including, but not limited to, quoted prices for similar assets or liabilities in markets that are active, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the assets or liabilities (such as interest rates, yield curves, volatilities, prepayment speeds, loss severities, credit risks and default rates) or other market-corroborated inputs)

•

Level 3 — unobservable inputs based on the best information available in the circumstances, to the extent observable inputs are not available (including the Trust’s own assumptions used in determining the fair value of investments and derivative financial instruments)

The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). Accordingly, the degree of judgment exercised in determining fair value is greatest for instruments categorized in Level 3. The inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, for disclosure purposes, the fair value hierarchy classification is determined based on the lowest level input that is significant to the fair value measurement in its entirety. The significant unobservable inputs used by the Global Valuation Committee in determining the price for Fair Valued Investments are typically categorized as level 3.

Changes in valuation techniques may result in transfers into or out of an assigned level within the hierarchy. In accordance with the Trust’s policy, transfers between different levels of the fair value hierarchy are deemed to have occurred as of the beginning of the reporting period. The categorization of a value determined for investments and derivative financial instruments is based on the pricing transparency of the investments and derivative financial instruments and is not necessarily an indication of the risks associated with investing in those securities. For information about the Trust’s policy regarding valuation of investments and derivative financial instruments, refer to the Trust’s most recent financial statements as contained in its semi-annual report.

The following tables summarize the Trust’s investments and derivative financial instruments categorized in the disclosure hierarchy:


	Level 1		Level 2		Level 3		Total
Assets:
Investments:
Long-Term Investments:
Asset-Backed Securities		—	$	76,700,014	$	11,050,536	$	87,750,550
Common Stocks		—		136,501		—		136,501
Corporate Bonds		—		485,621,341		7,567,523		493,188,864
Floating Rate Loan Interests		—		7,845,809		51,417		7,897,226
Foreign Agency Obligations		—		23,112,186		—		23,112,186
Municipal Bonds		—		25,412,697		—		25,412,697
Non-Agency Mortgage-Backed Securities		—		111,647,460		—		111,647,460
Preferred Securities	$	13,872,303		88,070,933		—		101,943,236
U.S. Government Sponsored Agency Securities		—		69,349,539		2		69,349,541
U.S. Treasury Obligations		—		144,104,500		—		144,104,500
Short-Term Securities:
Money Market Funds		12,939,392		—		—		12,939,392
Options Purchased		51,516		4,553,140		—		4,604,656

Total	$	26,863,211	$	1,036,554,120	$	18,669,478	$	1,082,086,809



BLACKROCK CORE BOND TRUST	MAY 31, 2016	35


Schedule of Investments (continued)		BlackRock Core Bond Trust (BHK)


	Level 1			Level 2			Level 3	Total
Derivative Financial Instruments¹
Assets:
Credit contracts		—		$	76,308		—	$	76,308
Foreign currency contracts		—			1,308,941		—		1,308,941
Interest rate contract	$	165,361			505,044		—		670,405
Liabilities:
Credit contracts		—			(579,271	)	—		(579,271	)
Foreign currency contracts		—			(1,107,285	)	—		(1,107,285	)
Interest rate contract		(167,581	)		(6,625,643	)	—		(6,793,224	)

Total	$	(2,220	)	$	(6,421,906	)	—	$	(6,424,126	)

Derivative financial instruments are swaps, futures contracts, forward foreign currency exchange contracts and options written. Swaps, futures contracts and forward foreign currency exchange contracts are valued at the unrealized appreciation (depreciation) on the instrument and options written are shown at value.

The Trust may hold assets and/or liabilities in which the fair value approximates the carrying amount for financial reporting purposes. As of period end, such assets and/or liabilities are categorized within the disclosure hierarchy as follows:


	Level 1		Level 2			Level 3	Total
Assets:
Foreign currency at value	$	1,082,621		—		—	$	1,082,621
Cash pledged:
Collateral — OTC derivatives		5,600,000		—		—		5,600,000
Futures contracts		1,325,970		—		—		1,325,970
Centrally cleared swaps		1,493,940		—		—		1,493,940
Collateral — reverse repurchase agreements		1,194,000		—		—		1,194,000
Liabilities:
Bank overdraft		—	$	(8,755	)	—		(8,755	)
Cash received:
Centrally cleared swaps		—		(520,000	)	—		(520,000	)
Collateral — reverse repurchase agreements		—		(422,000	)	—		(422,000	)
Reverse repurchase agreements		—		(307,829,048	)	—		(307,829,048	)

Total	$	10,696,531	$	(308,779,803	)	—	$	(298,083,272	)

During the period ended May 31, 2016, there were no transfers between Level 1 and Level 2.



36	BLACKROCK CORE BOND TRUST	MAY 31, 2016


Schedule of Investments (concluded)		BlackRock Core Bond Trust (BHK)

A reconciliation of Level 3 investments is presented when the Trust had a significant amount of Level 3 investments at the beginning and/or end of the period in relation to net assets. The following table is a reconciliation of Level 3 investments for which significant unobservable inputs were used in determining fair value:


Assets:	Asset-Backed Securities			Corporate Bonds			Floating Rate Loan Interests			Non-Agency Mortgage-Backed Securities			U.S Government Sponsored Agency Securities			Total
Opening balance, as of August 31, 2015	$	22,613,310		$	5,716,325			—		$	8		$	357		$	28,330,000
Transfers into Level 3		—			—			—			—			—
Transfers out of Level 3		(6,308,800	)		—			—			—			—			(6,308,800	)
Accrued discounts/premiums		(146,931	)		—		$	755			—						(146,176	)
Net realized gain (loss)		(353,091	)		—			38			8			4			(353,041	)
Net change in unrealized appreciation (depreciation)		2,059			250,521			7,640			(8	)		(354	)		259,858
Purchases		—			1,621,622			43,135			—			—			1,664,757
Sales		(4,756,011	)		(20,945	)		(151	)		(8	)		(5	)		(4,777,120	)

Closing balance, as of May 31, 2016	$	11,050,536		$	7,567,523		$	51,417			—		$	2		$	18,669,478

Net change in unrealized appreciation (depreciation) on investments still held at May 31, 2016¹	$	75,663		$	250,521		$	7,640		$	(8	)	$	(354	)	$	333,463

Any difference between net change in unrealized appreciation (depreciation) on investments still held at May 31, 2016 is generally due to investments no longer held or categorized as Level 3 at period end.

The following table summarizes the valuation techniques used and unobservable inputs utilized by the BlackRock Global Valuation Methodologies Committee (the “Global Valuation Committee”) to determine the value of certain of the Trust’s Level 3 investments as of period end. The table does not include Level 3 investments with values based upon unadjusted third party pricing information in the amount of $1,326,579. A significant change in third party pricing information could result in a significantly lower or higher value of such Level 3 investments.

Value

Valuation Techniques

Unobservable Inputs

Range of
Unobservable Inputs
Utilized

Weighted

Average

Assets:

Corporate Bonds

7,567,523

Yield Analysis

Credit Spread¹

162.0 - 256.0

—

T-Bond Reference Rate¹

1.66% - 2.50%

—

Weighted Average Life¹

6.21 - 24.17 years

—

Decrease in unobservable input may result in a significant increase to value, while an increase in the unobservable input may result in a significant decrease in value.



BLACKROCK CORE BOND TRUST	MAY 31, 2016	37

Item 2 – Controls and Procedures

2(a) –

The registrant’s principal executive and principal financial officers, or persons performing similar functions, have concluded that the registrant’s disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the “1940 Act”)) are effective as of a date within 90 days of the filing of this report based on the evaluation of these controls and procedures required by Rule 30a-3(b) under the 1940 Act and Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended.

2(b) –

There were no changes in the registrant’s internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act) that occurred during the registrant’s last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the registrant’s internal control over financial reporting.

Item 3 – Exhibits

Certifications – Attached hereto

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

BlackRock Core Bond Trust


By:		/s/ John M. Perlowski
		John M. Perlowski
		Chief Executive Officer (principal executive officer) of
		BlackRock Core Bond Trust

Date:		July 22, 2016

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.


By:		/s/ John M. Perlowski
		John M. Perlowski
		Chief Executive Officer (principal executive officer) of
		BlackRock Core Bond Trust

Date:		July 22, 2016

By:		/s/ Neal J. Andrews
		Neal J. Andrews
		Chief Financial Officer (principal financial officer) of
		BlackRock Core Bond Trust

Date:		July 22, 2016