OMER OMEROS CORP: institutional ownership and insider trading
187 funds reported holding $487M of OMEROS CORP in their latest 13F filings; in Q2 2026 funds net bought $81.6M, with 34 new positions and 24 funds selling out; over the last 12 months insiders bought $0 and sold $3.04M on the open market.
Famous investors holding OMER
- Ken Griffin (Citadel Advisors): $7.89M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $3.83M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $3.27M, 0.0% of the portfolio
Largest institutional holders of OMER
- VANGUARD GROUP INC — $68.9M
- BlackRock, Inc. (BLK) — $57.5M
- INGALLS & SNYDER LLC — $34.8M
- UBS Group AG (UBS) — $29.9M
- VANGUARD CAPITAL MANAGEMENT LLC — $29.2M
- STATE STREET CORP (STT, STT-PG) — $22.1M
- SUSQUEHANNA INTERNATIONAL GROUP, LLP — $21.1M
- KOTLER KEVIN — $19.3M
- GEODE CAPITAL MANAGEMENT, LLC — $18.2M
- STIFEL FINANCIAL CORP (SF, SFB, SF-PB, SF-PC, SF-PD) — $17.5M
Recent OMER insider trades
- Sep 23, 2026: Borges David J. sold 20,000 shares ($419K)
- Aug 31, 2026: Cancelmo Peter B sold 50,000 shares ($930K)
- Aug 27, 2026: Hanish Arnold C sold 15,000 shares ($282K)
- Aug 24, 2026: Borges David J. sold 10,906 shares ($207K)
5%+ owners
- BlackRock, Inc.: 8.2% (Schedule 13G/A, filed Jul 29, 2026)