MARA MARA Holdings, Inc.: institutional ownership and insider trading
457 funds reported holding $5.81B of MARA Holdings, Inc. in their latest 13F filings; in Q2 2026 funds net bought $91.5M, with 82 new positions and 57 funds selling out; over the last 12 months insiders bought $0 and sold $7.54M on the open market.
Famous investors holding MARA
- D. E. Shaw (D. E. Shaw & Co.): $221M, 0.1% of the portfolio
- Two Sigma (Two Sigma Investments): $42.4M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $148M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $15.4M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $32.9M, 0.0% of the portfolio
Largest institutional holders of MARA
- BlackRock, Inc. (BLK) — $890M
- VANGUARD GROUP INC — $419M
- SUSQUEHANNA INTERNATIONAL GROUP, LLP — $407M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $381M
- VANGUARD CAPITAL MANAGEMENT LLC — $230M
- D. E. Shaw & Co., Inc. — $221M
- STATE STREET CORP (STT, STT-PG) — $221M
- JANE STREET GROUP, LLC — $214M
- GEODE CAPITAL MANAGEMENT, LLC — $188M
- CITADEL ADVISORS LLC — $148M
Recent MARA insider trades
- Oct 19, 2026: Khan Salman Hassan sold 16,000 shares ($126K)
- Oct 1, 2026: Thiel Frederick G sold 27,505 shares ($309K)
- Sep 18, 2026: Nowaid Zabi sold 8,376 shares ($101K)
- Sep 17, 2026: Khan Salman Hassan sold 16,000 shares ($183K)
5%+ owners
- Vanguard Portfolio Management: 7.0% (Schedule 13G, filed Apr 29, 2026)
- Vanguard Capital Management: 5.1% (Schedule 13G, filed Apr 30, 2026)