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Table of Contents ( Mark One ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , DC 20549 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 number 001-32597 CF INDUSTRIES HOLDINGS , INC . ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 4 Parkway North , Suite 400 Deerfield , Illinois ( Address of principal executive offices ) FORM 10 - K Securities registered pursuant to Section 12 ( b ) of the Act : ( 847 ) 405-2400 ( Registrant's telephone number , including area code ) Title of each class common stock , par value $ 0.01 per share 20-2697511 ( I.R.S. Employer Identification No. ) 60015 ( Zip Code ) Trading symbol ( s ) CF 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 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 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 Name of each exchange on which registered New York Stock Exchange 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 > Accelerated filer Non - accelerated filer 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 Exchange Act ) . Yes No The aggregate market value of the registrant's common stock held by non - affiliates as of June 30 , 2020 ( the last business day of the registrant's most recently completed second fiscal quarter ) , computed by reference to the closing sale price of the registrant's common stock , was $ 5,984,082,631 . 214,159,740 shares of the registrant's common stock , par value $ 0.01 per share , were outstanding as of January 29 , 2021 . DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant's definitive proxy statement for its 2021 annual meeting of stockholders ( Proxy Statement ) are incorporated by reference into Part III of this Annual Report on Form 10 - K . The Proxy Statement will be filed with the Securities and Exchange Commission , pursuant to Regulation 14A , not later than 120 days after the end of the 2020 fiscal year , or , if the registrant does not file the Proxy ement within such 120 - day period , the registrant will amend this Annual Report on Form 10 - K to include the information required under Part III hereof not later than the end of such 120 - day period .