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UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 10 - K X 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 to Commission File No. 001-14428 RENAISSANCERE HOLDINGS LTD . ( Exact Name Of Registrant As Specified In Its Charter ) Bermuda ( State or Other Jurisdiction of Incorporation or Organization ) 98-0141974 ( I.R.S. Employer Identification Number ) Renaissance House , 12 Crow Lane , Pembroke HM 19 Bermuda ( Address of Principal Executive Offices ) ( 441 ) 295-4513 ( Registrant's telephone number ) Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Trading symbol Common Shares , Par Value $ 1.00 per share RNR Series E 5.375 % Preference Shares , Par Value $ 1.00 per share RNR PRE Depositary Shares , each representing a 1 / 1,000th interest in a Series F RNR PRE 5.750 % Preference Share , Par Value $ 1.00 per share Name of each exchange on which registered New York Stock Exchange New York Stock Exchange New York Stock Exchange Securities registered pursuant to Section 12 ( g ) of the Act : None Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Act . Yes x No o Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section ( d ) of the Act . Yes o No x 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 x No o 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 x No o 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 , as defined in Rule 12b - 2 of the Act . Large accelerated filer x , Accelerated filer o , Non accelerated filer o , Smaller reporting company , Emerging growth 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 . o 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 . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act ) . Yes No x The aggregate market value of Common Shares held by nonaffiliates of the registrant at June 30 , 2020 was $ 8.6 billion based on the closing sale price of the Common Shares on the New York Stock Exchange on that date . The number of Common Shares , par value US $ 1.00 per share , outstanding at February 1 , 2021 was 50,714,520 . DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant's definitive proxy statement for the 2021 Annual General Meeting of Shareholders are incorporated by reference into Part III of this report .