JH_Tax Advantage.htm

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANIES

Investment Company Act file number 811- 21416

John Hancock Tax-Advantaged Dividend Income Fund
(Exact name of registrant as specified in charter)

601 Congress Street, Boston, Massachusetts 02210
(Address of principal executive offices) (Zip code)

Alfred E. Ouellette, Senior Attorney and Assistant Secretary

601 Congress Street

Boston, Massachusetts 02210
(Name and address of agent for service)

Registrant's telephone number, including area code: 617-663-4324

Date of fiscal year end:  December 31 


Date of reporting period:  		September 30, 2005 

ITEM 1. SCHEDULE OF INVESTMENTS


John Hancock     
Tax-Advantaged Dividend Income Fund     
Securities owned by the Fund on     
September 30, 2005 (unaudited)     
 
Issuer  Shares  Value 
Common stocks 77.63%    $972,359,532 
(Cost $887,303,987)     
 
Diversified Banks 6.96%    87,166,632 
Bank of America Corp.  730,000  30,733,000 
Comerica, Inc.  296,000  17,434,400 
U.S. Bancorp.  727,900  20,439,432 
Wachovia Corp.  230,000  10,945,700 
Wells Fargo & Co.  130,000  7,614,100 
 
Electric Utilities 12.80%    160,401,873 
American Electric Power Co., Inc.  335,500  13,319,350 
Black Hills Corp.  454,000  19,689,980 
Cinergy Corp.  539,100  23,941,431 
Empire District Electric Co. (The)  428,400  9,797,508 
Great Plains Energy, Inc.  67,000  2,003,970 
Pinnacle West Capital Corp.  230,000  10,138,400 
Progress Energy, Inc.  569,600  25,489,600 
Scottish Power Plc, American Depositary     
Receipt (United Kingdom)  610,000  24,546,400 
Southern Co. (The)  593,400  21,219,984 
Westar Energy, Inc.  425,000  10,255,250 
 
Gas Utilities 9.23%    115,553,254 
Atmos Energy Corp.  756,200  21,362,650 
National Fuel Gas Co.  466,000  15,937,200 
Northwest Natural Gas Co.  325,000  12,096,500 
ONEOK, Inc.  821,100  27,933,822 
Peoples Energy Corp.  585,200  23,045,176 
Piedmont Natural Gas Co., Inc.  117,300  2,952,441 
WGL Holdings, Inc.  380,500  12,225,465 
 
Integrated Oil & Gas 0.74%    9,321,120 
ChevronTexaco Corp.  144,000  9,321,120 
 
Integrated Telecommunication Services 2.01%    25,182,044 
SBC Communications, Inc.  670,000  16,059,900 
Verizon Communications, Inc.  279,050  9,122,144 
 
Multi-Utilities & Unregulated Power 28.56%    357,712,725 
Alliant Energy Corp.  50,000  1,456,500 
Ameren Corp.  561,100  30,013,239 
CH Energy Group, Inc.  373,600  17,738,528 
Consolidated Edison, Inc.  525,100  25,493,605 
Dominion Resources, Inc.  385,000  33,163,900 
DTE Energy Co.  584,914  26,824,156 
Duke Energy Corp.  533,400  15,559,278 
Energy East Corp.  551,000  13,879,690 

Page 1

John Hancock       
Tax-Advantaged Dividend Income Fund     
Securities owned by the Fund on     
September 30, 2005 (unaudited)     
 
KeySpan Corp.    690,647  25,401,997 
NiSource, Inc.    642,700  15,585,475 
NSTAR    1,086,000  31,407,120 
OGE Energy Corp.    884,800  24,862,880 
Public Service Enterprise Group, Inc.    454,700  29,264,492 
SCANA Corp.    257,500  10,876,800 
TECO Energy, Inc.    40,000  720,800 
Vectren Corp.    689,900  19,558,665 
WPS Resources Corp.    343,000  19,825,400 
Xcel Energy, Inc.    820,000  16,080,200 
 
Other Diversified Financial Services  1.45%    18,141,574 
Citigroup, Inc.    187,000  8,512,240 
JPMorgan Chase & Co.    283,800  9,629,334 
 
Regional Banks 14.08%      176,358,050 
AmSouth Bancorp.    775,000  19,576,500 
BB&T Corp.    495,000  19,329,750 
Colonial BancGroup, Inc. (The)    275,000  6,160,000 
F.N.B. Corp.    190,000  3,283,200 
First Horizon National Corp.    315,000  11,450,250 
FirstMerit Corp.    365,000  9,778,350 
Hudson United Bancorp.    195,000  8,254,350 
KeyCorp    749,000  24,155,250 
National City Corp.    505,000  16,887,200 
PNC Financial Services Group, Inc.    370,000  21,467,400 
Regions Financial Corp.    795,000  24,740,400 
Susquehanna Bancshares, Inc.    275,000  6,611,000 
Whitney Holding Corp.    172,500  4,664,400 
 
Thrifts & Mortgage Finance 1.80%      22,522,260 
People's Bank    225,000  6,520,500 
Washington Mutual, Inc.    408,000  16,001,760 
 
  Credit     
Issuer, description  rating (A)  Shares  Value 
Preferred stocks 21.80%      $273,126,957 
(Cost $275,016,309)       
 
Consumer Finance 0.41%      5,105,140 
HSBC Finance Corp., 6.36%, Depositary Shares,     
Ser B  BBB+  150,000  3,793,500 
SLM Corp., 6.97%, Ser A  BBB+  24,200  1,311,640 
 
Diversified Banks 2.25%      28,137,770 
Abbey National Plc, 7.375%, Depositary       
Shares, Ser B (United Kingdom)  A-  93,100  2,485,770 
Royal Bank of Scotland Group Plc, 5.75%,     
Ser L (United Kingdom)    A  1,060,000  25,652,000 

Page 2

John Hancock       
Tax-Advantaged Dividend Income Fund     
Securities owned by the Fund on       
September 30, 2005 (unaudited)       
 
Electric Utilities 7.23%      90,614,800 
Alabama Power Co., 5.20%  BBB+  276,700  6,917,500 
Alabama Power Co., 5.30% (Class A)  BBB+  213,000  5,169,510 
Carolina Power & Light Co., $5.44  BB+  111,493  10,675,455 
Connecticut Light & Power Co., $3.24, Ser 68G  BB+  20,686  1,076,965 
Connecticut Light & Power Co., 5.28%, Ser 1967  BB+  18,294  848,957 
Connecticut Light & Power Co., 6.56%, Ser 1968  BB+  7,224  377,002 
Duquesne Light Co., 6.50%  BB+  227,000  11,747,250 
Entergy Arkansas, Inc., $1.96  BB+  150,466  3,771,054 
Entergy Arkansas, Inc., 4.56%  BB+  9,388  739,599 
Entergy Arkansas, Inc., 4.56%, Ser 1965  BB+  9,818  780,225 
Entergy Arkansas, Inc., $6.08  Ba1  11,057  1,061,472 
Entergy Gulf States, Inc., $7.56  BB+  28,422  2,785,356 
Entergy Louisiana, Inc., 5.16%  Ba1  12,982  1,085,620 
Entergy Mississippi, Inc., 4.92%  Ba2  8,190  685,401 
Entergy Mississippi, Inc., 6.25%  BB+  197,500  4,949,844 
FPL Group Capital Trust I, 5.875%  BBB+  318,200  7,907,270 
Interstate Power & Light Co., 7.10%, Ser C  BBB-  20,600  560,707 
Interstate Power & Light Co., 8.375%, Ser B  BBB-  233,000  7,956,950 
Monongahela Power Co., $7.73, Ser L  B  33,143  3,347,443 
Northern Indiana Public Service Co., 4.50%  BB+  28,863  2,429,003 
Northern Indiana Public Service Co., 4.88% (G)  BB+  7,971  727,603 
Ohio Edison Co., 4.56%  BB+  15,325  1,271,975 
Southern California Edison Co., 6.125%  BBB-  30,000  3,009,375 
Union Electric Co., $4.50  BBB-  10,370  837,377 
Wisconsin Power & Light Co., 4.50%  BBB  4,600  404,800 
Xcel Energy, Inc., $4.08, Ser B  BB+  66,070  5,186,495 
Xcel Energy, Inc., $4.56, Ser G  BB+  53,700  4,304,592 
 
Gas Utilities 0.89%      11,121,836 
Southern Union Co., 7.55%  BB+  417,800  11,121,836 
 
Investment Banking & Brokerage 2.93%      36,666,769 
Bear Stearns Cos., Inc. (The), 5.49%,       
Depositary Shares, Ser G  BBB  251,800  12,615,180 
Bear Stearns Cos., Inc. (The), 6.15%,       
Depositary Shares, Ser E  BBB  64,900  3,309,900 
Lehman Brothers Holdings, Inc., 5.67%,       
Depositary Shares, Ser D  BBB+  56,000  2,867,200 
Lehman Brothers Holdings, Inc., 5.94%,       
Depositary Shares, Ser C  BBB+  256,260  12,787,374 
Lehman Brothers Holdings, Inc., 6.50%,       
Depositary Shares, Ser F  BBB+  193,500  5,087,115 
 
Multi-Line Insurance 1.85%      23,207,797 
ING Groep N.V., 6.20% (Netherlands)  A  109,100  2,746,047 
ING Groep N.V., 7.05% (Netherlands)  A  100,000  2,590,000 
MetLife, Inc., 6.50%, Ser B  BBB  705,000  17,871,750 
 
Multi-Utilities & Unregulated Power 0.80%      10,087,551 
Avista Corp., $6.95, Ser K  BB-  38,009  3,933,931 
Public Service Electric & Gas Co., 5.05%,       
Ser D  BB+  23,002  2,110,434 

Page 3

John Hancock           
Tax-Advantaged Dividend Income Fund     
Securities owned by the Fund on         
September 30, 2005 (unaudited)         
 
Public Service Electric & Gas Co., 5.28%,         
Ser E      BB+  21,930  2,017,560 
South Carolina Electric & Gas Co., 6.52%    Baa1  20,000  2,025,626 

Oil & Gas Exploration & Production 2.78%  		      34,834,082 
Anadarko Petroleum Corp., 5.46%, Depositary         
Shares, Ser B      BBB-  50,000  4,878,125 
Apache Corp., 5.68%, Depositary Shares, Ser B    BBB  50,000  5,104,690 
Devon Energy Corp., 6.49%, Ser A    BB+  150,000  15,426,570 
Nexen, Inc., 7.35% (Canada)      BB+  359,584  9,424,697 

Other Diversified Financial Services 2.30%  		      28,837,892 
ABN AMRO Capital Funding Trust V, 5.90%    A  140,000  3,421,600 
ABN AMRO Capital Funding Trust VII, 6.08%    A  950,000  23,683,500 
General Electric Capital Corp., 6.10%    AAA  20,200  514,292 
JPMorgan Chase Capital XI, 5.875%, Ser K    A-  50,000  1,218,500 

Reinsurance 0.20%  		        2,514,400 
RenaissanceRe Holdings Ltd., 6.08%, Ser C         
(Bermuda)      BBB+  112,000  2,514,400 

Thrifts & Mortgage Finance  0.16%  		      1,998,920 
Fannie Mae, 5.125%, Ser L      AA-  47,200  1,998,920 
 
  Interest    Maturity  Credit  Par value   
Issuer, description  rate (%)    date  rating (A)  ($000)  Value 
Short-term investments 0.57%        $7,100,000 
(Cost $7,098,746)           
 
Government U.S. Agency 0.57%        7,100,000 
Federal Home Loan Bank,           
Disc Note  3.180    10-03-05  AAA  7,100  7,100,000 
 
Total investments    100.00%       $1,252,586,489 

Page 4

John Hancock         
Tax-Advantaged Dividend Income Fund   
Financial futures contracts       
September 30, 2005 (unaudited)       
 
  Number of       
Open contracts  contracts  Position  Expiration  Appreciation 
U.S. 10-Year Treasury Note  300  Short  Dec 05  $220,008 

Financial futures contracts

John Hancock
Tax-Advantaged Dividend Income Fund
Footnotes to Schedule of Investments
September 30, 2005 (unaudited)

(A)      Credit ratings are unaudited and are rated by Moody's Investors Service where Standard & Poor's ratings are not available.
 
(G)      Security rated internally by John Hancock Advisers, LLC.
 
  Parenthetical disclosure of a foreign country in the security description represents country of a foreign issuer.
 
  The percentage shown for each investment category is the total value of that category as a percentage of the total investments of the Fund.
 
  The cost of investments owned on September 30, 2005, including short-term investments, was $1,169,419,042. Gross unrealized appreciation and depreciation of investments aggregated $105,012,914 and $21,845,467, respectively, resulting in net unrealized appreciation of $83,167,447.
 

Footnotes to Schedule of Investments - Page 1


ITEM 2. CONTROLS AND PROCEDURES.

(a) Based upon their evaluation of the registrant's disclosure controls and procedures as conducted within 90 days of the filing date of this Form N-Q, the registrant's principal executive officer and principal accounting officer have concluded that those disclosure controls and procedures provide reasonable assurance that the material information required to be disclosed by the registrant on this report is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms.

(b) There were no changes in the registrant's internal control over financial reporting that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting.

ITEM 3. EXHIBITS.

Separate certifications for the registrant's principal executive officer and principal accounting officer, as required by Rule 30a-2(a) under the Investment Company Act of 1940, are attached.

SIGNATURES

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.

John Hancock Tax-Advantaged Dividend Income Fund

By: /s/ Keith F. Hartstein
-------------------------------------
Keith F. Hartstein
President and Chief Executive Officer

Date: November 28, 2005

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/ Keith F. Hartstein
-------------------------------------
Keith F. Hartstein
President and Chief Executive Officer

Date: November 28, 2005

By: /s/ John G. Vrysen
-------------------------------------
John G. Vrysen

Executive Vice President and Chief Financial Officer

Date: November 28, 2005