Reporting Manager
G1 Execution Services, LLC
Symbol
MARA
Shares outstanding
364,098,472 shares
Disclosed Ownership
19,297,219 shares
Ownership
5.3%
Form type
SCHEDULE 13G
Filing time
14 Aug 2025, 10:30:39 UTC
Date of event
30 Jun 2025
Next filing
13 Nov 2025

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
G1 Execution Services, LLC 5.3% 19,297,219 404 19,297,219 /s/ Brian Sopinsky Brian Sopinsky, Secretary
SIG Brokerage, LP 5.3% 19,297,219 18,253 19,297,219 /s/ Brian Sopinsky Brian Sopinsky, Assistant Secretary
Susquehanna Investment Group 5.3% 19,297,219 1,276,700 19,297,219 /s/ Brian Sopinsky Brian Sopinsky, General Counsel
Susquehanna Securities, LLC 5.3% 19,297,219 18,001,862 19,297,219 /s/ Brian Sopinsky Brian Sopinsky, Secretary