OABI OmniAb, Inc.: institutional ownership and insider trading
141 funds reported holding $159M of OmniAb, Inc. in their latest 13F filings; in Q2 2026 funds net bought $7.08M, with 21 new positions and 16 funds selling out; over the last 12 months insiders bought $108K and sold $283K on the open market.
Famous investors holding OABI
- Two Sigma (Two Sigma Investments): $1.62M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $1.48M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $1.38M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $864K, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $226K, 0.0% of the portfolio
Largest institutional holders of OABI
- Whitefort Capital Management, LP — $25.2M
- BlackRock, Inc. (BLK) — $21.9M
- NOMURA HOLDINGS INC (NMR, NRSCF) — $12.4M
- VANGUARD GROUP INC — $10.4M
- CADIAN CAPITAL MANAGEMENT, LP — $10.4M
- VANGUARD CAPITAL MANAGEMENT LLC — $9.48M
- GEODE CAPITAL MANAGEMENT, LLC — $7.10M
- RICE HALL JAMES & ASSOCIATES, LLC — $6.42M
- PRIVATE MANAGEMENT GROUP INC — $5.77M
- STATE STREET CORP (STT, STT-PG) — $5.25M
Recent OABI insider trades
- Apr 7, 2026: Berkman Charles S sold 7,157 shares ($10.7K)
- Apr 7, 2026: Gustafson Kurt A sold 6,913 shares ($10.3K)
- Apr 7, 2026: Foehr Matthew W sold 19,244 shares ($28.7K)
- Feb 18, 2026: Foehr Matthew W sold 30,843 shares ($52.7K)
5%+ owners
- Whitefort Capital Management, LP: 7.1% (Schedule 13G/A, filed Aug 14, 2026)