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, Q2 2024
Institutional positions in OmniAb, Inc. as of Jun 30, 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
- 160
- +8 vs. Q1 2024
- Shares held
- 79.1M
- −4.46M (−5.3%) vs. Q1 2024
- Total value
- $293.9M
- −$156.0M (−34.7%) vs. Q1 2024
- New holders
- 23
- 47 more added
- Sold out
- 15
- 52 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: 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, Q2 2024
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avista Capital Holdings, L.P. | 15,817,934 | $57.0M | 91.65% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 7,868,224 | $29.5M | 0.02% | +8,786+0.1% | Added |
| BlackRock Inc. | 7,036,923 | $26.4M | 0.00% | −35,178−0.5% | Reduced |
| Vanguard Group Inc | 4,585,402 | $17.2M | 0.00% | −1,128,137−19.7% | Reduced |
| Macquarie Group Ltd | 3,485,597 | $13.1M | 0.01% | +11,463+0.3% | Added |
| Chicago Capital, LLC | 3,182,970 | $11.9M | 0.35% | −4,382−0.1% | Reduced |
| Dimensional Fund Advisors LP | 3,012,216 | $11.3M | 0.00% | +194,835+6.9% | Added |
| Rubric Capital Management LP | 2,850,588 | $10.7M | 0.28% | 00.0% | Unchanged |
| Rice Hall James & Associates, LLC | 2,559,283 | $9.60M | 0.58% | −81,258−3.1% | Reduced |
| Geode Capital Management, LLC | 2,338,287 | $8.77M | 0.00% | +114,435+5.1% | Added |
| Private Management Group Inc | 2,261,833 | $8.48M | 0.33% | −16,779−0.7% | Reduced |
| Villere St Denis J & Co LLC | 2,055,787 | $7.71M | 0.65% | −22,507−1.1% | Reduced |
| State Street Corp | 1,997,022 | $7.49M | 0.00% | −48,804−2.4% | Reduced |
| First Sabrepoint Capital Management LP | 1,875,000 | $7.03M | 2.97% | +294,379+18.6% | Added |
| Orchard Capital Managment, LLC | 1,358,028 | $5.09M | 1.54% | −15,470−1.1% | Reduced |
| Knott David M Jr | 1,118,505 | $4.19M | 1.67% | +15,000+1.4% | Added |
| Kornitzer Capital Management Inc | 944,970 | $3.54M | 0.07% | −274,985−22.5% | Reduced |
| Millennium Management LLC | 1,030,448 | $3.42M | 0.00% | −1,881,982−64.6% | Reduced |
| Northern Trust Corp | 841,785 | $3.16M | 0.00% | −28,847−3.3% | Reduced |
| Kent Lake Capital LLC | 800,000 | $3.00M | 1.35% | +500,000+166.7% | Added |
| Charles Schwab Investment Management Inc | 771,303 | $2.89M | 0.00% | +14,416+1.9% | Added |
| Impax Asset Management Group plc | 761,387 | $2.86M | 0.01% | 00.0% | Unchanged |
| Woodstock Corp | 750,543 | $2.81M | 0.29% | +2,115+0.3% | Added |
| ADAR1 Capital Management, LLC | 712,560 | $2.67M | 0.54% | +261,075+57.8% | Added |
| Deutsche Bank AG | 580,126 | $2.18M | 0.00% | −925−0.2% | Reduced |
| Towerview LLC | 535,000 | $2.01M | 1.31% | +285,000+114.0% | Added |
| Isthmus Partners, LLC | 528,385 | $1.98M | 0.23% | +143,387+37.2% | Added |
| Bank of America Corp | 455,071 | $1.71M | 0.00% | +80,495+21.5% | Added |
| Fuller & Thaler Asset Management, Inc. | 436,000 | $1.64M | 0.01% | −14,425−3.2% | Reduced |
| Bank of New York Mellon Corp | 396,963 | $1.49M | 0.00% | −26,206−6.2% | Reduced |
| AWH Capital, L.P. | 365,000 | $1.37M | 1.41% | −57,500−13.6% | Reduced |
| Morgan Stanley | 341,135 | $1.28M | 0.00% | −20,708−5.7% | Reduced |
| Tang Capital Management LLC | 300,000 | $1.13M | 0.11% | +300,000 | New |
| Tudor Investment Corp Et Al | 283,250 | $1.06M | 0.01% | +69,062+32.2% | Added |
| TLS Advisors LLC | 250,185 | $938.0K | 2.35% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 227,808 | $854.3K | 0.00% | +20.0% | Added |
| Goldman Sachs Group Inc | 176,104 | $660.4K | 0.00% | +14,315+8.8% | Added |
| Jane Street Group, LLC | 173,053 | $648.9K | 0.00% | +151,675+709.5% | Added |
| Cornerstone Capital, Inc. | 172,016 | $645.1K | 0.07% | 00.0% | Unchanged |
| Swiss National Bank | 171,703 | $643.9K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 163,538 | $613.3K | 0.00% | −14,743−8.3% | Reduced |
| Rhumbline Advisers | 161,185 | $604.4K | 0.00% | −1,392−0.9% | Reduced |
| UBS Asset Management Americas Inc | 143,636 | $538.6K | 0.00% | +63,731+79.8% | Added |
| State of Wisconsin Investment Board | 133,964 | $502.4K | 0.00% | +48,065+56.0% | Added |
| Royce & Associates LP | 133,323 | $500.0K | 0.00% | +28,735+27.5% | Added |
| FMR LLC | 125,489 | $470.6K | 0.00% | +7,836+6.7% | Added |
| Alliancebernstein L.P. | 120,715 | $452.7K | 0.00% | +7,030+6.2% | Added |
| Squarepoint Ops LLC | 119,841 | $449.4K | 0.00% | +119,841 | New |
| American Century Companies Inc | 110,036 | $412.6K | 0.00% | +37,963+52.7% | Added |
| Court Place Advisors, LLC | 106,268 | $398.5K | 0.13% | +59,381+126.6% | Added |
| Jump Financial, LLC | 94,849 | $355.7K | 0.01% | +22,667+31.4% | Added |
| Gsa Capital Partners LLP | 94,452 | $354.0K | 0.02% | +94,452 | New |
| Invesco Ltd. | 91,583 | $343.4K | 0.00% | −1,905−2.0% | Reduced |
| California State Teachers Retirement System | 86,056 | $322.7K | 0.00% | −1,691−1.9% | Reduced |
| STRS Ohio | 82,900 | $310.9K | 0.00% | +7,200+9.5% | Added |
| Legal & General Group Plc | 75,691 | $283.8K | 0.00% | −1,708−2.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 75,653 | $283.7K | 0.00% | −4,458−5.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 66,648 | $249.9K | 0.00% | +14,657+28.2% | Added |
| CIBC Private Wealth Group, LLC | 59,584 | $233.6K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 56,385 | $211.0K | 0.00% | +56,385 | New |
| MetLife Investment Management | 55,676 | $208.8K | 0.00% | +5,249+10.4% | Added |
| Citadel Advisors LLC | 55,409 | $207.8K | 0.00% | −15,773−22.2% | Reduced |
| Verition Fund Management LLC | 51,351 | $192.6K | 0.00% | +51,351 | New |
| Wells Fargo & Company | 50,020 | $187.6K | 0.00% | −122,860−71.1% | Reduced |
| Corebridge Financial, Inc. | 49,650 | $186.2K | 0.00% | +49,650 | New |
| Citigroup Inc | 48,518 | $181.9K | 0.00% | +6,735+16.1% | Added |
| Diametric Capital, LP | 47,463 | $178.0K | 0.10% | +47,463 | New |
| UBS Group AG | 47,379 | $177.7K | 0.00% | −64,126−57.5% | Reduced |
| Blair William & Co | 47,351 | $177.6K | 0.00% | −49−0.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 47,183 | $176.9K | 0.00% | +47,183 | New |
| ExodusPoint Capital Management, LP | 43,927 | $165.0K | 0.00% | +26,927+158.4% | Added |
| D. E. Shaw & Co., Inc. | 42,963 | $161.1K | 0.00% | −77,704−64.4% | Reduced |
| Bleakley Financial Group, LLC | 42,228 | $158.4K | 0.00% | +7,978+23.3% | Added |
| Simplicity Wealth,LLC | 42,160 | $158.1K | 0.00% | +7,976+23.3% | Added |
| Manufacturers Life Insurance Company, The | 39,103 | $146.6K | 0.00% | +39,103 | New |
| Susquehanna International Group, LLP | 37,478 | $140.5K | 0.00% | +37,478 | New |
| Atom Investors LP | 37,263 | $139.7K | 0.01% | −3,135−7.8% | Reduced |
| Ameriprise Financial Inc | 34,931 | $131.0K | 0.00% | −826−2.3% | Reduced |
| Voya Investment Management LLC | 33,995 | $127.5K | 0.00% | +2,242+7.1% | Added |
| Barclays PLC | 33,979 | $127.4K | 0.00% | −48,946−59.0% | Reduced |
| New York State Common Retirement Fund | 32,706 | $122.6K | 0.00% | +272+0.8% | Added |
| Legato Capital Management LLC | 30,284 | $113.6K | 0.02% | +84+0.3% | Added |
| Price T Rowe Associates Inc | 29,551 | $112.0K | 0.00% | +2,708+10.1% | Added |
| SEI Investments Co | 29,024 | $108.9K | 0.00% | +2,888+11.0% | Added |
| State Board of Administration of Florida Retirement System | 26,753 | $100.3K | 0.00% | +6,810+34.1% | Added |
| Guggenheim Capital LLC | 26,028 | $97.6K | 0.00% | −7,312−21.9% | Reduced |
| Henshaw Capital LLC | 25,045 | $93.9K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 24,592 | $92.2K | 0.00% | +633+2.6% | Added |
| NJ State Employees Deferred Compensation Plan | 24,500 | $91.9K | 0.01% | 00.0% | Unchanged |
| Captrust Financial Advisors | 22,400 | $84.0K | 0.00% | +14+0.1% | Added |
| Palumbo Wealth Management LLC | 21,896 | $82.1K | 0.03% | +8,076+58.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,584 | $80.9K | 0.00% | −70−0.3% | Reduced |
| HighTower Advisors, LLC | 21,382 | $80.0K | 0.00% | 00.0% | Unchanged |
| BFSG, LLC | 20,480 | $76.8K | 0.01% | 00.0% | Unchanged |
| BBR Partners, LLC | 20,000 | $75.0K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 19,749 | $74.1K | 0.00% | −5,149−20.7% | Reduced |
| Tower Research Capital LLC (TRC) | 19,712 | $73.9K | 0.00% | +19,137+3,328.2% | Added |
| LPL Financial LLC | 19,682 | $73.8K | 0.00% | −1,018−4.9% | Reduced |
| Mariner, LLC | 19,527 | $73.2K | 0.00% | −11,922−37.9% | Reduced |
| Prelude Capital Management, LLC | 17,325 | $65.0K | 0.01% | +17,325 | New |