Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Nelsen Michael
  2. Issuer Name and Ticker or Trading Symbol
ACADIA REALTY TRUST [AKR]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Financial Officer
(Last)
(First)
(Middle)
C/O ACADIA REALTY TRUST, 1311 MAMARONECK AVENUE, SUITE 260
3. Date of Earliest Transaction (Month/Day/Year)
03/03/2011
(Street)

WHITE PLAINS, NY 10605
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Limited Partnership Units $ 19.05 03/03/2011   A   18,583 (1)     (1)   (1) Common Shares of Beneficial Interest 18,583 $ 0 (1) 52,431 (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Nelsen Michael
C/O ACADIA REALTY TRUST
1311 MAMARONECK AVENUE, SUITE 260
WHITE PLAINS, NY 10605
      Chief Financial Officer  

Signatures

 Michael Nelsen   03/07/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) On March 3, 2011 ("Grant Date"), Mr. Nelsen was awarded these restricted limited partnership units in Acadia Realty Limited Partnership ("LTIP Units"). 12,389 of these LTIP Units shall vest subject to the following schedule: equal amounts shall vest on January 6, 2012 (the "First Vesting Date") and on each of the first, second, third and fourth anniversaries thereof, provided that Mr. Nelsen continues to be employed by the Company through the vesting date in question (each a "Vesting Date"). 50% of the remaining 6,194 LTIP Units will vest subject to the same schedule and Mr. Nelsen's continued employment and the other 50% subject to the same schedule, Mr. Nelsen's continued employment and Acadia Realty Trust (the "Company") achieving certain annual and cumulative benchmarks established by the Company's Board of Trustees.
(2) This number represents the total number of LTIP Units now held by Mr. Nelsen, of which 12,952 are vested and 39,479 are unvested.

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