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☐ ☑ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , DC 20549 FORM 40 - F REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ANNUAL REPORT PURSUANT TO SECTION 13 ( a ) OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31 , 2020 GRANITE REAL ESTATE INVESTMENT TRUST ( Commission File Number : 001-35771 ) ( Exact name of Registrant as specified in its charter ) 6500 Province of Ontario , Canada ( Province or other jurisdiction of incorporation or organization ) GRANITE REIT INC . ( Commission File Number : 001-35772 ) ( Exact name of Registrant as specified in its charter ) Province of British Columbia , Canada ( Province or other jurisdiction of incorporation or organization ) 77 King Street West , Suite 4010 , P.O. Box 159 Toronto - Dominion Centre Toronto , Ontario M5K 1H1 ( 647 ) 925-7500 ( Address and telephone number of Registrant's principal executive offices ) ( Primary Standard Industrial Classification Code Number ( if applicable ) ) CT Corporation System N / A ( I.R.S. Employer identification Number ( if applicable ) ) 28 Liberty St. New York , NY 10005 ( 212 ) 894-8940 ( Name , address ( including zip code ) and telephone number ( including area code ) of agent for service in the United States ) Title of Each Class Securities registered or to be registered pursuant to Section 12 ( b ) of the Act : Stapled Units , each consisting of one unit of Granite Real Estate Investment Trust and one common share of Granite REIT Inc. Trading Symbol ( s ) GRP.U Name of Each Exchange on Which Registered The New York Stock Exchange Securities registered or to be registered pursuant to Section 12 ( g ) of the Act : None Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : None For annual reports , indicate by check mark the information filed with this Form : × Annual information form × Audited annual financial statements