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Table of Contents Index to Financial Statements 0 Annual Report Pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 For the fiscal year ended December 31 , 2020 Transition Report Pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 For the Transition Period From Digital Realty Trust , Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 Digital Realty Trust , L.P. Maryland ( Digital Realty Trust , Inc. ) Maryland ( Digital Realty Trust , L.P. ) ( State or other jurisdiction of incorporation or organization ) 5707 Southwest Parkway , Building 1 , Suite 275 Austin , Texas ( Address of principal executive offices ) to Commission file number Digital Realty Trust , Inc. Digital Realty Trust , L.P. FORM 10 - K 001-32336 ( Digital Realty Trust , Inc. ) 000-54023 ( Digital Realty Trust , L.P. ) DIGITAL REALTY TRUST , INC . DIGITAL REALTY TRUST , L.P. ( Exact name of registrant as specified in its charter ) ( 737 ) 281-0101 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbols ( s ) DLR DLR Pr C DLR Pr J DLR Pr K DLR Pr L None Title of each class Common Stock , $ 0.01 par value per share Series C Cumulative Redeemable Perpetual Preferred Stock , $ 0.01 par value per share Series J Cumulative Redeemable Preferred Stock , $ 0.01 par value per share Series K Cumulative Redeemable Preferred Stock , $ 0.01 par value per share Series L Cumulative Redeemable Preferred Stock , $ 0.01 par value per share None Securities registered pursuant to Section 12 ( g ) of the Act : Digital Realty Trust , Inc. Digital Realty Trust , L.P. None Common Units of Partnership Interest Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Digital Realty Trust , Inc. Digital Realty Trust , L.P. Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Digital Realty Trust , Inc. Digital Realty Trust , L.P. 26-0081711 20-2402955 ( IRS employer identification number ) 78735 ( Zip Code ) Name of each exchange on which registered New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange None Yes Yes No No O Yes No Yes No 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 . Yes No Yes No O