Exhibit 21.1 
SUBSIDIARIES OF MARATHON DIGITAL HOLDINGS, INC.

The registrant’s subsidiaries and affiliates as of December 31, 2023 are included in the list below.

Legal Entity NamePercentage of Voting Securities Owned Directly or Indirectly by RegistrantJurisdiction of Organization
MARA Tech, Inc.100%Delaware
Marathon Digital International, Inc.100%Delaware
Marathon Digital Leasing, LLC100%Nevada
Crypto Currency Patent Holding Company, LLC100%Delaware
MARA Pool LLC100%Nevada
Marathon Crypto Mining, Inc100%Nevada
Soems Acquisition Corp.100%Delaware