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 Name Percentage of Voting Securities Owned Directly or Indirectly by Registrant Jurisdiction of Organization
MARA Tech, Inc. 100% Delaware
Marathon Digital International, Inc. 100% Delaware
Marathon Digital Leasing, LLC 100% Nevada
Crypto Currency Patent Holding Company, LLC 100% Delaware
MARA Pool LLC 100% Nevada
Marathon Crypto Mining, Inc 100% Nevada
Soems Acquisition Corp. 100% Delaware