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 2023
Institutional positions in OmniAb, Inc. as of Mar 31, 2023. 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
- 142
- −4 vs. Q4 2022
- Shares held
- 66.3M
- +1.46M (+2.2%) vs. Q4 2022
- Total value
- $243.3M
- +$9.51M (+4.1%) vs. Q4 2022
- New holders
- 15
- 45 more added
- Sold out
- 19
- 47 more reduced
2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cornerstone Capital, Inc. | 174,659 | $642.7K | 0.08% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 176,463 | $649.0K | 0.00% | +14,175+8.7% | Added |
| Boothbay Fund Management, LLC | 176,815 | $650.7K | 0.02% | −186,176−51.3% | Reduced |
| Swiss National Bank | 185,903 | $684.1K | 0.00% | −10,100−5.2% | Reduced |
| HRT Financial LP | 199,967 | $735.0K | 0.01% | +199,967 | New |
| SG Americas Securities, LLC | 204,761 | $754.0K | 0.01% | −5,013−2.4% | Reduced |
| Morgan Stanley | 219,706 | $808.5K | 0.00% | +50,897+30.2% | Added |
| Murchinson Ltd. | 232,970 | $847.2K | 0.16% | −141,612−37.8% | Reduced |
| Goldman Sachs Group Inc | 240,254 | $884.1K | 0.00% | +158,474+193.8% | Added |
| Deutsche Bank AG | 258,386 | $950.9K | 0.00% | +1,137+0.4% | Added |
| Isthmus Partners, LLC | 260,244 | $957.7K | 0.14% | +68,171+35.5% | Added |
| Nuveen Asset Management, LLC | 261,860 | $964.0K | 0.00% | +37,446+16.7% | Added |
| TLS Advisors LLC | 356,592 | $1.31M | 6.75% | −30,000−7.8% | Reduced |
| Bank of New York Mellon Corp | 364,522 | $1.34M | 0.00% | −9,176−2.5% | Reduced |
| Bank of America Corp | 368,589 | $1.36M | 0.00% | +40,458+12.3% | Added |
| Citadel Advisors LLC | 371,053 | $1.37M | 0.00% | −745,914−66.8% | Reduced |
| AWH Capital, L.P. | 415,000 | $1.53M | 1.56% | +192,500+86.5% | Added |
| 1492 Capital Management LLC | 443,108 | $1.63M | 1.01% | −376−0.1% | Reduced |
| Woodstock Corp | 619,149 | $2.28M | 0.29% | +288,548+87.3% | Added |
| Norges Bank | 623,616 | $2.29M | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 708,654 | $2.61M | 0.00% | −195,078−21.6% | Reduced |
| Stephens Investment Management Group LLC | 827,778 | $3.05M | 0.05% | −33,625−3.9% | Reduced |
| Northern Trust Corp | 871,292 | $3.21M | 0.00% | +28,169+3.3% | Added |
| Knott David M Jr | 1,086,505 | $4.00M | 1.68% | −184,434−14.5% | Reduced |
| Impax Asset Management Group plc | 1,148,184 | $4.23M | 0.02% | 00.0% | Unchanged |
| Orchard Capital Managment, LLC | 1,280,190 | $4.71M | 1.58% | 00.0% | Unchanged |
| Kornitzer Capital Management Inc | 1,760,375 | $6.48M | 0.13% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,761,524 | $6.48M | 0.00% | +3,387+0.2% | Added |
| State Street Corp | 1,796,353 | $6.61M | 0.00% | +44,959+2.6% | Added |
| Dimensional Fund Advisors LP | 1,934,861 | $7.12M | 0.00% | −77,853−3.9% | Reduced |
| Villere St Denis J & Co LLC | 2,279,082 | $8.39M | 0.61% | −13,949−0.6% | Reduced |
| William Blair Investment Management, LLC | 2,748,869 | $10.1M | 0.04% | +223,252+8.8% | Added |
| Rice Hall James & Associates, LLC | 2,820,102 | $10.4M | 0.59% | +336,336+13.5% | Added |
| Chicago Capital, LLC | 2,838,901 | $10.4M | 0.52% | +438,184+18.3% | Added |
| First Sabrepoint Capital Management LP | 3,200,000 | $11.8M | 4.95% | +1,750,000+120.7% | Added |
| Private Management Group Inc | 3,282,322 | $12.1M | 0.54% | +3,282,322 | New |
| Macquarie Group Ltd | 3,778,909 | $13.9M | 0.02% | −4,860−0.1% | Reduced |
| Millennium Management LLC | 5,469,578 | $19.7M | 0.02% | +346,180+6.8% | Added |
| Vanguard Group Inc | 5,677,541 | $20.9M | 0.00% | −726,242−11.3% | Reduced |
| BlackRock Inc. | 5,712,359 | $21.0M | 0.00% | −50,020−0.9% | Reduced |
| Janus Henderson Group PLC | 6,618,226 | $24.4M | 0.02% | +36,025+0.5% | Added |
| CIBC Private Wealth Group, LLC | 59,660 | – | – | +782+1.3% | Added |
| Rubric Capital Management LP | 0 | $0 | 0.00% | −2,249,222−100.0% | Sold out |
| Nordea Investment Management AB | 0 | $0 | 0.00% | −741,502−100.0% | Sold out |
| Stonepine Capital Management, LLC | 0 | $0 | 0.00% | −354,266−100.0% | Sold out |
| Smith, Graham & Co., Investment Advisors, LP | 0 | $0 | 0.00% | −144,299−100.0% | Sold out |
| Anson Funds Management LP | 0 | $0 | 0.00% | −63,016−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −44,139−100.0% | Sold out |
| Erste Asset Management GmbH | 0 | $0 | 0.00% | −21,070−100.0% | Sold out |
| Texas Permanent School Fund | 0 | $0 | 0.00% | −16,896−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −12,327−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −2,802−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,992−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −1,773−100.0% | Sold out |
| Teachers Retirement System of the State of Kentucky | 0 | $0 | 0.00% | −1,416−100.0% | Sold out |
| Public Employees Retirement System of Ohio | 0 | $0 | 0.00% | −799−100.0% | Sold out |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −267−100.0% | Sold out |
| U.S. Capital Wealth Advisors, LLC | 0 | $0 | 0.00% | −71−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −59−100.0% | Sold out |
| Schubert & Co | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −146−100.0% | Sold out |
| Monarch Partners Asset Management LLC | – | – | – | – | Not filed |
| Cornerstone Planning Group LLC | – | – | – | – | Not filed |