MARA Holdings, Inc. Common Stock (MARA) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for MARA. 13F holdings as of 2026-03-31.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 59,775,301 | $488M | INCREASED |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 29,736,205 | $243M | INCREASED |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 26,439,424 | $216M | NEW |
| VANGUARD CAPITAL MANAGEMENT LLC | 16,352,439 | $133M | NEW |
| STATE STREET CORP | 15,220,168 | $124M | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Frederick G Thiel (Chief Executive Officer) | SELL | 27,505 | $392K | 2026-06-17 |
| Zabi Nowaid (General Counsel) | SELL | 7,000 | $100K | 2026-06-17 |
| Salman Hassan Khan (Chief Financial Officer) | SELL | 16,000 | $228K | 2026-06-17 |
| Zabi Nowaid (General Counsel) | SELL | 4,248 | $49K | 2026-05-18 |
| Zabi Nowaid (General Counsel) | SELL | 8,250 | $99K | 2026-05-18 |
Full institutional holdings, insider history, and congressional trades for MARA Holdings, Inc. Common Stock on SentiSense.