UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

x

Rule 13d-1(b)

o

Rule 13d-1(c)

o

Rule 13d-1(d)

CUSIP No. 

1.

Names of Reporting Persons
Brookfield Investment Management Inc.

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Delaware

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
576,923

6.

Shared Voting Power
None

7.

Sole Dispositive Power
2,427,182

8.

Shared Dispositive Power
None

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
2,427,182

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
5.63%

12.

Type of Reporting Person (See Instructions)
IA

Item 1.

(a)

Name of Issuer
Kilroy Realty Corp.

(b)

Address of Issuer’s Principal Executive Offices
12200 W. Olympic Blvd., Suite 200

Los Angeles, CA 90064

Item 2.

(a)

Name of Person Filing
Brookfield Investment Management Inc.

AMP Capital Brookfield (US) LLC

(together, the “Reporting Person”)

(b)

Address of Principal Business Office or, if none, Residence
Brookfield Investment Management Inc.

Three World Financial Center

200 Vesey Street

New York, NY 10281

AMP Capital Brookfield (US) LLC

71 S. Wacker Drive, Suite 3400

Chicago, IL 60606

(c)

Citizenship
Brookfield Investment Management Inc. – Delaware

AMP Capital Brookfield (US) LLC – Delaware

(d)

Title of Class of Securities
Common stock

(e)

CUSIP Number
49427F108

Item 3.

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)

o

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

(b)

o

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

(c)

o

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

(d)

o

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

(e)

x

An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

(f)

o

An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

(g)

o

A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

(h)

o

A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

o

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)

o

A non-U.S. institution in accordance with § 240.13d–1(b)(1)(ii)(J);

(k)

o

Group, in accordance with § 240.13d–1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with § 240.13d–1(b)(1)(ii)(J), please specify the type of institution:____________________________

Item 4.

Ownership

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a)

Amount beneficially owned:   

See the response(s) to Item 9 on the attached cover page(s).

(b)

Percent of class:   

See the response(s) to Item 11 on the attached cover page(s).

(c)

Number of shares as to which the person has:

(i)

Sole power to vote or to direct the vote   

See the response(s) to Item 5 on the attached cover page(s).

(ii)

Shared power to vote or to direct the vote    

See the response(s) to Item 6 on the attached cover page(s).

(iii)

Sole power to dispose or to direct the disposition of   

See the response(s) to Item 7 on the attached cover page(s).

(iv)

Shared power to dispose or to direct the disposition of   

See the response(s) to Item 8 on the attached cover page(s).

Item 5.

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following   o.

Not applicable

Item 6.

Ownership of More than Five Percent on Behalf of Another Person

Clients of the Reporting Person have or may have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, securities held in their accounts. No such client is known to have such right or power to more than 5% of the class of securities to which this report relates.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person

Not applicable

Item 8.

Identification and Classification of Members of the Group

Not applicable

Item 9.

Notice of Dissolution of Group

Not applicable

Item 10.

Certification

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

Brookfield Investment Management Inc.

By:

/s/ Seth Gelman

Name: Seth Gelman

Title: Chief Compliance Officer

AMP Capital Brookfield (US) LLC

By:

/s/ Seth Gelman

Name: Seth Gelman

Title: Chief Compliance Officer