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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 20 - F ( Mark One ) REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR 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 OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report Commission file number : 001-38714 StoneCo Ltd. ( Exact name of Registrant as specified in its charter ) The Cayman Islands ( Jurisdiction of incorporation or organization ) 4th Floor , Harbour Place 103 South Church Street , P.O. Box 10240 Grand Cayman , KY1-1002 , Cayman Islands ( Address of principal executive offices ) Marcelo Baldin , Vice President , Finance Tel : +55 ( 11 ) 3157-3115 marcelo.baldin@stone.com.br R. Fidêncio Ramos , 308 , 10th floor - Vila Olímpia São Paulo - SP , 04551-010 , Brazil ( Name , Telephone , E - mail and / or Facsimile number and Address of Company Contact Person ) Title of each class Class A common shares , par value US $ 0.000079365 per share Securities registered or to be registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) STNE Securities registered or to be registered pursuant to Section 12 ( g ) of the Act : None Name of each exchange on which registered The Nasdaq Global Select Market Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : None Indicate the number of outstanding shares of each of the issuer's classes of capital or common stock as of the close of the period covered by the annual report . Title of Class Class A common shares , par value US $ 0.000079365 per share Class B common shares , par value US $ 0.000079365 per share Number of Shares Outstanding 256,946,670 51,782,702