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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Maryland ( State or Other Jurisdiction of Incorporation or Organization ) ACADIA REALTY TRUST ( Exact name of registrant in its charter ) to Commission File Number 001-12002 411 Theodore Fremd Avenue , Suite 300 Rye , NY 10580 ( Address of principal executive offices ) ( 914 ) 288-8100 ( Registrant's telephone number , including area code ) Title of class of registered securities Common shares of beneficial interest , par value $ 0.001 per share Trading symbol AKR 23-2715194 ( I.R.S. Employer Identification No. ) Name of exchange on which registered The New York Stock Exchange Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . YES > NO □ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . YES □ NO É Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Accelerated Filer YES > NO □ Indicate by check mark whether the registrant has submitted electronically , every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( § 232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . YES > NO □ Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Large Accelerated Filer Non - accelerated Filer Smaller Reporting Company If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . □ Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . □ ☐ Emerging Growth Company NO 区 Indicate by checkmark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act ) YES □ The aggregate market value of the voting and non - voting common equity held by non - affiliates of the registrant as of the last business day of the registrant's most recently completed second fiscal quarter was approximately $ 2,362.0 million , based on a price of $ 12.98 per share , the average sales price for the registrant's common shares of beneficial interest on the New York Stock Exchange on that date . The number of shares of the registrant's common shares of beneficial interest outstanding on February 12 , 2021 was 86,284,143 . DOCUMENTS INCORPORATED BY REFERENCE Part III Portions of the registrant's definitive proxy statement relating to its 2021 Annual Meeting of Shareholders presently scheduled to be held May 6 , 2021 to be filed pursuant to Regulation 14A .