QUBT Quantum Computing Inc.: institutional ownership and insider trading
343 funds reported holding $1.44B of Quantum Computing Inc. in their latest 13F filings; in Q2 2026 funds net bought $216M, with 64 new positions and 43 funds selling out; over the last 12 months insiders bought $0 and sold $648K on the open market.
Famous investors holding QUBT
- Ken Griffin (Citadel Advisors): $40.1M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $6.14M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $4.61M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $1.81M, 0.0% of the portfolio
Largest institutional holders of QUBT
- VANGUARD GROUP INC — $173M
- BlackRock, Inc. (BLK) — $172M
- SUSQUEHANNA INTERNATIONAL GROUP, LLP — $94.6M
- VANGUARD CAPITAL MANAGEMENT LLC — $85.8M
- JANE STREET GROUP, LLC — $79.9M
- Penserra Capital Management LLC — $67.7M
- Defiance ETFs, LLC — $66.3M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $63.7M
- GEODE CAPITAL MANAGEMENT, LLC — $51.6M
- STATE STREET CORP (STT, STT-PG) — $47.7M
Recent QUBT insider trades
- Mar 11, 2026: Roberts Christopher Bruce sold 78,262 shares ($614K)
- Jan 7, 2026: Begliarbekov Milan sold 2,860 shares ($33.9K)
- Sep 15, 2025: Fagenson Robert B sold 100,000 shares ($1.56M)
- Sep 8, 2025: Shabani Javad sold 37,474 shares ($573K)
5%+ owners
- Yuping Huang: 10.3% (Schedule 13D/A, filed May 28, 2026)