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, Q3 2023
Institutional positions in OmniAb, Inc. as of Sep 30, 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
- 148
- +4 vs. Q2 2023
- Shares held
- 68.7M
- +1.26M (+1.9%) vs. Q2 2023
- Total value
- $355.9M
- +$17.4M (+5.1%) vs. Q2 2023
- New holders
- 17
- 43 more added
- Sold out
- 13
- 42 more reduced
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 7,681,275 | $39.9M | 0.03% | −10,936−0.1% | Reduced |
| BlackRock Inc. | 6,766,785 | $35.1M | 0.00% | −35,811−0.5% | Reduced |
| Vanguard Group Inc | 5,495,944 | $28.5M | 0.00% | −197,950−3.5% | Reduced |
| Macquarie Group Ltd | 3,899,314 | $20.2M | 0.03% | −48,259−1.2% | Reduced |
| Millennium Management LLC | 3,799,246 | $19.1M | 0.02% | −536,833−12.4% | Reduced |
| Chicago Capital, LLC | 3,195,598 | $16.6M | 0.78% | +22,893+0.7% | Added |
| William Blair Investment Management, LLC | 2,862,656 | $14.9M | 0.05% | +80,906+2.9% | Added |
| Rubric Capital Management LP | 2,850,588 | $14.8M | 0.62% | +2,148,535+306.0% | Added |
| Rice Hall James & Associates, LLC | 2,780,826 | $14.4M | 0.92% | −51,550−1.8% | Reduced |
| Private Management Group Inc | 2,672,292 | $13.9M | 0.57% | −997,143−27.2% | Reduced |
| Dimensional Fund Advisors LP | 2,330,321 | $12.1M | 0.00% | +622,868+36.5% | Added |
| Villere St Denis J & Co LLC | 2,226,335 | $11.6M | 0.99% | −35,722−1.6% | Reduced |
| Geode Capital Management, LLC | 2,077,098 | $10.8M | 0.00% | +32,217+1.6% | Added |
| State Street Corp | 2,070,949 | $10.7M | 0.00% | +4,997+0.2% | Added |
| Kornitzer Capital Management Inc | 1,730,425 | $8.98M | 0.19% | 00.0% | Unchanged |
| First Sabrepoint Capital Management LP | 1,448,799 | $7.52M | 3.49% | −731,201−33.5% | Reduced |
| Orchard Capital Managment, LLC | 1,280,190 | $6.64M | 2.46% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 1,148,184 | $5.96M | 0.03% | 00.0% | Unchanged |
| Knott David M Jr | 1,086,505 | $5.64M | 2.22% | 00.0% | Unchanged |
| Northern Trust Corp | 884,303 | $4.59M | 0.00% | −83,447−8.6% | Reduced |
| Charles Schwab Investment Management Inc | 741,762 | $3.85M | 0.00% | −9,016−1.2% | Reduced |
| Woodstock Corp | 685,790 | $3.56M | 0.45% | +7,438+1.1% | Added |
| Deutsche Bank AG | 580,969 | $3.02M | 0.00% | +6,325+1.1% | Added |
| AWH Capital, L.P. | 555,500 | $2.88M | 2.57% | 00.0% | Unchanged |
| Invesco Ltd. | 513,516 | $2.67M | 0.00% | +488,144+1,923.9% | Added |
| Fuller & Thaler Asset Management, Inc. | 463,425 | $2.41M | 0.01% | −17,970−3.7% | Reduced |
| 1492 Capital Management LLC | 438,810 | $2.28M | 1.47% | −3,952−0.9% | Reduced |
| Bank of America Corp | 427,795 | $2.22M | 0.00% | +39,289+10.1% | Added |
| Bank of New York Mellon Corp | 418,439 | $2.17M | 0.00% | +9,919+2.4% | Added |
| Kent Lake Capital LLC | 396,154 | $2.06M | 0.80% | 00.0% | Unchanged |
| Isthmus Partners, LLC | 262,636 | $1.36M | 0.20% | +3,615+1.4% | Added |
| Morgan Stanley | 261,201 | $1.36M | 0.00% | −15,062−5.5% | Reduced |
| TLS Advisors LLC | 250,185 | $1.30M | 5.25% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 229,455 | $1.19M | 0.01% | +229,455 | New |
| Nuveen Asset Management, LLC | 226,053 | $1.17M | 0.00% | −59,042−20.7% | Reduced |
| D. E. Shaw & Co., Inc. | 205,787 | $1.07M | 0.00% | +111,294+117.8% | Added |
| Swiss National Bank | 190,603 | $989.2K | 0.00% | +4,700+2.5% | Added |
| Goldman Sachs Group Inc | 170,895 | $886.9K | 0.00% | −3,179−1.8% | Reduced |
| Cornerstone Capital, Inc. | 166,016 | $861.6K | 0.10% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 151,010 | $783.7K | 0.00% | −17,621−10.4% | Reduced |
| Rhumbline Advisers | 150,564 | $781.4K | 0.00% | −259−0.2% | Reduced |
| Alliancebernstein L.P. | 113,685 | $590.0K | 0.00% | 00.0% | Unchanged |
| Court Place Advisors, LLC | 111,657 | $579.5K | 0.21% | 00.0% | Unchanged |
| Towerview LLC | 110,000 | $570.9K | 0.38% | +25,000+29.4% | Added |
| Citadel Advisors LLC | 104,739 | $543.6K | 0.00% | +101,517+3,150.7% | Added |
| Standard Life Aberdeen plc | 103,708 | $538.2K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 97,237 | $504.7K | 0.00% | −10,033−9.4% | Reduced |
| Renaissance Technologies LLC | 79,959 | $415.0K | 0.00% | −59,900−42.8% | Reduced |
| Credit Suisse AG | 79,458 | $412.4K | 0.00% | −26,069−24.7% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 74,691 | $387.6K | 0.00% | +6,897+10.2% | Added |
| Legal & General Group Plc | 74,582 | $387.1K | 0.00% | +1,212+1.7% | Added |
| Captrust Financial Advisors | 74,384 | $386.1K | 0.00% | +74,384 | New |
| UBS Group AG | 71,628 | $371.7K | 0.00% | +43,905+158.4% | Added |
| American Century Companies Inc | 70,273 | $364.7K | 0.00% | +23,626+50.6% | Added |
| UBS Asset Management Americas Inc | 67,705 | $351.4K | 0.00% | +11,000+19.4% | Added |
| Mariner, LLC | 66,692 | $346.1K | 0.00% | −754−1.1% | Reduced |
| CIBC Private Wealth Group, LLC | 59,584 | $309.2K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 50,427 | $261.7K | 0.00% | 00.0% | Unchanged |
| Blair William & Co | 49,639 | $257.6K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 49,700 | $257.0K | 0.00% | +18,000+56.8% | Added |
| Mesirow Financial Investment Management, Inc. | 47,993 | $249.1K | 1.08% | +47,993 | New |
| American International Group, Inc. | 46,535 | $241.5K | 0.00% | +1,654+3.7% | Added |
| Atom Investors LP | 46,081 | $239.2K | 0.05% | 00.0% | Unchanged |
| Royce & Associates LP | 45,663 | $237.0K | 0.00% | +45,663 | New |
| FMR LLC | 45,343 | $235.3K | 0.00% | +39,014+616.4% | Added |
| Ameriprise Financial Inc | 44,453 | $230.7K | 0.00% | +52+0.1% | Added |
| Two Sigma Investments, LP | 41,700 | $216.4K | 0.00% | +800+2.0% | Added |
| Wells Fargo & Company | 40,297 | $209.1K | 0.00% | −1,687−4.0% | Reduced |
| Winton Group Ltd | 39,420 | $204.6K | 0.02% | +39,420 | New |
| Voya Investment Management LLC | 38,186 | $198.2K | 0.00% | +891+2.4% | Added |
| Principal Financial Group Inc | 35,660 | $185.1K | 0.00% | +4,880+15.9% | Added |
| Graham Capital Management, L.P. | 35,013 | $181.7K | 0.01% | +35,013 | New |
| Mirae Asset Global Investments Co., Ltd. | 35,001 | $181.7K | 0.00% | +35,001 | New |
| Nebula Research & Development LLC | 34,942 | $181.3K | 0.10% | −24,852−41.6% | Reduced |
| Advisors Asset Management, Inc. | 33,906 | $176.0K | 0.00% | −644−1.9% | Reduced |
| Guggenheim Capital LLC | 33,779 | $175.3K | 0.00% | −57−0.2% | Reduced |
| New York State Common Retirement Fund | 32,899 | $170.7K | 0.00% | +342+1.1% | Added |
| Barclays PLC | 32,128 | $166.7K | 0.00% | −2,067−6.0% | Reduced |
| Legato Capital Management LLC | 30,200 | $156.7K | 0.02% | +11,610+62.5% | Added |
| Tower Research Capital LLC (TRC) | 28,051 | $145.6K | 0.00% | +15,606+125.4% | Added |
| SG Americas Securities, LLC | 27,180 | $141.0K | 0.00% | +27,180 | New |
| State Board of Administration of Florida Retirement System | 26,753 | $138.8K | 0.00% | +280+1.1% | Added |
| BFSG, LLC | 26,615 | $138.0K | 0.02% | +26,615 | New |
| First Republic Investment Management, Inc. | 25,489 | $132.3K | 0.00% | −877−3.3% | Reduced |
| Henshaw Capital LLC | 25,045 | $130.0K | 0.01% | +9,238+58.4% | Added |
| Arizona State Retirement System | 24,686 | $128.1K | 0.00% | +337+1.4% | Added |
| NJ State Employees Deferred Compensation Plan | 24,500 | $127.2K | 0.02% | 00.0% | Unchanged |
| SEI Investments Co | 22,165 | $115.0K | 0.00% | +3,034+15.9% | Added |
| Price T Rowe Associates Inc | 21,497 | $112.0K | 0.00% | +2,593+13.7% | Added |
| Verition Fund Management LLC | 21,470 | $111.4K | 0.00% | +21,470 | New |
| HighTower Advisors, LLC | 21,382 | $111.0K | 0.00% | +8,330+63.8% | Added |
| Royal Bank of Canada | 20,304 | $105.0K | 0.00% | +6,041+42.4% | Added |
| BBR Partners, LLC | 20,000 | $103.8K | 0.01% | 00.0% | Unchanged |
| Eagle Asset Management Inc | 19,651 | $102.0K | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 19,346 | $100.4K | 0.00% | +19,346 | New |
| LPL Financial LLC | 18,602 | $96.5K | 0.00% | −5,024−21.3% | Reduced |
| Bleakley Financial Group, LLC | 17,676 | $91.7K | 0.00% | +1,227+7.5% | Added |
| Sawtooth Solutions, LLC | 17,676 | $91.7K | 0.00% | +1,686+10.5% | Added |
| Baird Financial Group, Inc. | 15,269 | $79.2K | 0.00% | −291−1.9% | Reduced |
| Boothbay Fund Management, LLC | 15,000 | $77.8K | 0.00% | −25,568−63.0% | Reduced |