OmniAb, Inc.
OABI- Exchange
- Nasdaq
- Industry
- Services-Commercial Physical & Biological Research
- SEC CIK
- 0001846253
No open-market purchases or sales by OmniAb, Inc. insiders were filed in the last 90 days; 131 institutions reported holding it in 13F filings for Q2 2026, worth $144.2M in total; no superinvestor holds it.
Other share classesOABIW
13F holders, Q1 2024
Institutional positions in OmniAb, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 153
- −3 vs. Q4 2023
- Shares held
- 83.6M
- −113.9K (−0.1%) vs. Q4 2023
- Total value
- $450.4M
- −$63.5M (−12.4%) vs. Q4 2023
- New holders
- 15
- 43 more added
- Sold out
- 18
- 50 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OABI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 131 | $144.2M |
| Q1 2026 | 128 | $87.7M |
| Q4 2025 | 129 | $105.8M |
| Q3 2025 | 140 | $100.5M |
| Q2 2025 | 144 | $95.5M |
| Q1 2025 | 153 | $152.0M |
| Q4 2024 | 165 | $224.7M |
| Q3 2024 | 165 | $334.6M |
| Q2 2024 | 160 | $293.9M |
| Q1 2024 | 153 | $450.4M |
| Q4 2023 | 157 | $514.0M |
| Q3 2023 | 148 | $355.9M |
| Q2 2023 | 144 | $338.6M |
| Q1 2023 | 142 | $243.3M |
| Q4 2022 | 148 | $234.9M |
| Q3 2022 | 1 | $11.2M |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Allspring Global Investments Holdings, LLC | 80,111 | $434.2K | 0.00% | −8,341−9.4% | Reduced |
| Barclays PLC | 82,925 | $449.5K | 0.00% | −62,373−42.9% | Reduced |
| State of Wisconsin Investment Board | 85,899 | $465.6K | 0.00% | +85,899 | New |
| California State Teachers Retirement System | 87,747 | $475.6K | 0.00% | −5,371−5.8% | Reduced |
| Invesco Ltd. | 93,488 | $506.7K | 0.00% | +33,568+56.0% | Added |
| Royce & Associates LP | 104,588 | $566.9K | 0.01% | −55,560−34.7% | Reduced |
| UBS Group AG | 111,505 | $604.4K | 0.00% | −11,159−9.1% | Reduced |
| Alliancebernstein L.P. | 113,685 | $616.2K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 117,653 | $637.7K | 0.00% | +2,724+2.4% | Added |
| D. E. Shaw & Co., Inc. | 120,667 | $654.0K | 0.00% | −127,445−51.4% | Reduced |
| Goldman Sachs Group Inc | 161,789 | $876.9K | 0.00% | −27,648−14.6% | Reduced |
| Rhumbline Advisers | 162,577 | $881.2K | 0.00% | +4,057+2.6% | Added |
| Swiss National Bank | 171,703 | $930.6K | 0.00% | 00.0% | Unchanged |
| Cornerstone Capital, Inc. | 172,016 | $932.3K | 0.10% | +6,000+3.6% | Added |
| Wells Fargo & Company | 172,880 | $937.0K | 0.00% | +138,078+396.8% | Added |
| JPMorgan Chase & Co | 178,281 | $966.3K | 0.00% | −44,013−19.8% | Reduced |
| Tudor Investment Corp Et Al | 214,188 | $1.16M | 0.01% | +214,188 | New |
| Nuveen Asset Management, LLC | 227,806 | $1.23M | 0.00% | −540.0% | Reduced |
| Towerview LLC | 250,000 | $1.35M | 0.90% | +75,000+42.9% | Added |
| TLS Advisors LLC | 250,185 | $1.36M | 3.35% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 250,278 | $1.36M | 0.01% | +5,659+2.3% | Added |
| Kent Lake Capital LLC | 300,000 | $1.63M | 0.71% | 00.0% | Unchanged |
| Morgan Stanley | 361,843 | $1.96M | 0.00% | −96,519−21.1% | Reduced |
| Bank of America Corp | 374,576 | $2.03M | 0.00% | −50,517−11.9% | Reduced |
| Isthmus Partners, LLC | 384,998 | $2.09M | 0.24% | +74,224+23.9% | Added |
| AWH Capital, L.P. | 422,500 | $2.29M | 2.11% | +990.0% | Added |
| Bank of New York Mellon Corp | 423,169 | $2.29M | 0.00% | −41,785−9.0% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 450,425 | $2.44M | 0.01% | −13,000−2.8% | Reduced |
| ADAR1 Capital Management, LLC | 451,485 | $2.45M | 0.67% | −26,686−5.6% | Reduced |
| Deutsche Bank AG | 581,051 | $3.15M | 0.00% | +1,160+0.2% | Added |
| Woodstock Corp | 748,428 | $4.06M | 0.42% | +5,426+0.7% | Added |
| Charles Schwab Investment Management Inc | 756,887 | $4.10M | 0.00% | +5,391+0.7% | Added |
| Impax Asset Management Group plc | 761,387 | $4.13M | 0.02% | −86,797−10.2% | Reduced |
| Northern Trust Corp | 870,632 | $4.72M | 0.00% | −2,800−0.3% | Reduced |
| Knott David M Jr | 1,103,505 | $5.98M | 2.12% | +17,000+1.6% | Added |
| Kornitzer Capital Management Inc | 1,219,955 | $6.61M | 0.12% | 00.0% | Unchanged |
| Orchard Capital Managment, LLC | 1,373,498 | $7.44M | 2.18% | +15,470+1.1% | Added |
| First Sabrepoint Capital Management LP | 1,580,621 | $8.57M | 3.81% | −76,552−4.6% | Reduced |
| State Street Corp | 2,045,826 | $11.1M | 0.00% | +36,418+1.8% | Added |
| Villere St Denis J & Co LLC | 2,078,294 | $11.3M | 0.90% | −73,475−3.4% | Reduced |
| Geode Capital Management, LLC | 2,223,852 | $12.1M | 0.00% | +72,297+3.4% | Added |
| Private Management Group Inc | 2,278,612 | $12.4M | 0.47% | −361,039−13.7% | Reduced |
| Rice Hall James & Associates, LLC | 2,640,541 | $14.3M | 0.82% | −72,103−2.7% | Reduced |
| Millennium Management LLC | 2,912,430 | $15.2M | 0.01% | +636,012+27.9% | Added |
| Dimensional Fund Advisors LP | 2,817,381 | $15.3M | 0.00% | +193,386+7.4% | Added |
| Rubric Capital Management LP | 2,850,588 | $15.5M | 0.46% | 00.0% | Unchanged |
| Chicago Capital, LLC | 3,187,352 | $17.3M | 0.53% | −7,121−0.2% | Reduced |
| William Blair Investment Management, LLC | 3,364,346 | $18.2M | 0.05% | +27,105+0.8% | Added |
| Macquarie Group Ltd | 3,474,134 | $18.8M | 0.02% | −94,096−2.6% | Reduced |
| Vanguard Group Inc | 5,713,539 | $31.0M | 0.00% | +62,131+1.1% | Added |
| BlackRock Inc. | 7,072,101 | $38.3M | 0.00% | −215,718−3.0% | Reduced |
| Janus Henderson Group PLC | 7,859,438 | $42.6M | 0.02% | +81,541+1.0% | Added |
| Avista Capital Holdings, L.P. | 15,817,934 | $83.3M | 91.27% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 0 | $0 | 0.00% | −103,708−100.0% | Sold out |
| Mesirow Financial Investment Management, Inc. | 0 | $0 | 0.00% | −47,993−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −45,499−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −44,703−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −40,959−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −37,903−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −20,883−100.0% | Sold out |
| Eagle Asset Management Inc | 0 | $0 | 0.00% | −19,651−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −16,260−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −16,232−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −12,239−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −10,385−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −548−100.0% | Sold out |
| DAGCO, Inc. | 0 | $0 | 0.00% | −411−100.0% | Sold out |
| Garner Asset Management Corp | 0 | $0 | 0.00% | −327−100.0% | Sold out |
| Luken Investment Analytics, LLC | 0 | $0 | 0.00% | −208−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −98−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Sawtooth Solutions, LLC | – | – | – | – | Not filed |