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 2024
Institutional positions in OmniAb, Inc. as of Sep 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
- 165
- +7 vs. Q2 2024
- Shares held
- 79.8M
- +8.56M (+12.0%) vs. Q2 2024
- Total value
- $334.6M
- +$70.1M (+26.5%) vs. Q2 2024
- New holders
- 24
- 45 more added
- Sold out
- 17
- 44 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avista Capital Holdings, L.P. | 15,817,934 | $64.3M | 94.05% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 7,871,328 | $33.3M | 0.02% | +3,1040.0% | Added |
| BlackRock, Inc. | 7,223,549 | $30.6M | 0.00% | +7,223,549 | New |
| Vanguard Group Inc | 5,191,685 | $22.0M | 0.00% | +606,283+13.2% | Added |
| Macquarie Group Ltd | 4,323,100 | $18.3M | 0.02% | +837,503+24.0% | Added |
| Chicago Capital, LLC | 3,162,555 | $13.4M | 0.37% | −20,415−0.6% | Reduced |
| Dimensional Fund Advisors LP | 2,883,161 | $12.2M | 0.00% | −129,055−4.3% | Reduced |
| Rubric Capital Management LP | 2,850,588 | $12.1M | 0.20% | 00.0% | Unchanged |
| Rice Hall James & Associates, LLC | 2,722,321 | $11.5M | 0.62% | +163,038+6.4% | Added |
| Geode Capital Management, LLC | 2,325,381 | $9.84M | 0.00% | −12,906−0.6% | Reduced |
| Private Management Group Inc | 2,249,734 | $9.52M | 0.33% | −12,099−0.5% | Reduced |
| State Street Corp | 2,031,676 | $8.59M | 0.00% | +34,654+1.7% | Added |
| First Sabrepoint Capital Management LP | 1,665,000 | $7.04M | 2.72% | −210,000−11.2% | Reduced |
| Villere St Denis J & Co LLC | 1,499,315 | $6.34M | 0.52% | −556,472−27.1% | Reduced |
| ADAR1 Capital Management, LLC | 1,337,302 | $5.66M | 0.95% | +624,742+87.7% | Added |
| Knott David M Jr | 1,148,505 | $4.86M | 1.94% | +30,000+2.7% | Added |
| Kent Lake PR LLC | 1,125,000 | $4.76M | 1.89% | +1,125,000 | New |
| Murchinson Ltd. | 1,000,000 | $4.23M | 1.73% | +1,000,000 | New |
| Kornitzer Capital Management Inc | 898,845 | $3.80M | 0.07% | −46,125−4.9% | Reduced |
| Northern Trust Corp | 837,286 | $3.54M | 0.00% | −4,499−0.5% | Reduced |
| Woodstock Corp | 792,853 | $3.35M | 0.32% | +42,310+5.6% | Added |
| Charles Schwab Investment Management Inc | 787,522 | $3.33M | 0.00% | +16,219+2.1% | Added |
| Impax Asset Management Group plc | 761,387 | $3.22M | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 722,666 | $3.06M | 0.00% | +267,595+58.8% | Added |
| Deutsche Bank AG | 594,313 | $2.51M | 0.00% | +14,187+2.4% | Added |
| Towerview LLC | 550,000 | $2.33M | 1.50% | +15,000+2.8% | Added |
| Morgan Stanley | 456,189 | $1.93M | 0.00% | +115,054+33.7% | Added |
| Isthmus Partners, LLC | 446,134 | $1.89M | 0.22% | −82,251−15.6% | Reduced |
| Boothbay Fund Management, LLC | 375,000 | $1.59M | 0.05% | +375,000 | New |
| Goldman Sachs Group Inc | 328,139 | $1.39M | 0.00% | +152,035+86.3% | Added |
| Bank of New York Mellon Corp | 322,218 | $1.36M | 0.00% | −74,745−18.8% | Reduced |
| Tang Capital Management LLC | 300,000 | $1.27M | 0.09% | 00.0% | Unchanged |
| Citadel Advisors LLC | 274,855 | $1.16M | 0.00% | +219,446+396.0% | Added |
| TLS Advisors LLC | 250,185 | $1.06M | 2.24% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 227,795 | $963.6K | 0.00% | −130.0% | Reduced |
| Orchard Capital Managment, LLC | 216,382 | $915.3K | 0.31% | −1,141,646−84.1% | Reduced |
| Rhumbline Advisers | 173,641 | $734.5K | 0.00% | +12,456+7.7% | Added |
| Cornerstone Capital, Inc. | 172,016 | $727.6K | 0.07% | 00.0% | Unchanged |
| Swiss National Bank | 171,703 | $726.3K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 146,868 | $621.3K | 0.00% | −16,670−10.2% | Reduced |
| Barclays PLC | 143,215 | $605.8K | 0.00% | +109,236+321.5% | Added |
| FMR LLC | 138,813 | $587.2K | 0.00% | +13,324+10.6% | Added |
| Jane Street Group, LLC | 136,359 | $576.8K | 0.00% | −36,694−21.2% | Reduced |
| American Century Companies Inc | 134,887 | $570.6K | 0.00% | +24,851+22.6% | Added |
| Royce & Associates LP | 131,284 | $555.3K | 0.01% | −2,039−1.5% | Reduced |
| UBS Asset Management Americas Inc | 128,202 | $542.3K | 0.00% | −15,434−10.7% | Reduced |
| Alliancebernstein L.P. | 120,715 | $510.6K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 105,198 | $445.0K | 0.00% | −178,052−62.9% | Reduced |
| Court Place Advisors, LLC | 101,001 | $427.2K | 0.12% | −5,267−5.0% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 98,110 | $415.0K | 0.00% | −337,890−77.5% | Reduced |
| Gsa Capital Partners LLP | 91,437 | $387.0K | 0.03% | −3,015−3.2% | Reduced |
| Invesco Ltd. | 90,656 | $383.5K | 0.00% | −927−1.0% | Reduced |
| California State Teachers Retirement System | 83,677 | $354.0K | 0.00% | −2,379−2.8% | Reduced |
| STRS Ohio | 82,900 | $350.7K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 75,691 | $320.2K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 70,004 | $296.1K | 0.00% | +21,486+44.3% | Added |
| BBR Partners, LLC | 70,000 | $296.1K | 0.02% | +50,000+250.0% | Added |
| State of Wisconsin Investment Board | 61,874 | $261.7K | 0.00% | −72,090−53.8% | Reduced |
| UBS Group AG | 61,721 | $261.1K | 0.00% | +14,342+30.3% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 60,896 | $257.6K | 0.00% | −5,752−8.6% | Reduced |
| CIBC Private Wealth Group, LLC | 59,584 | $252.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 55,676 | $235.5K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 50,581 | $214.0K | 0.00% | +561+1.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 50,517 | $213.7K | 0.00% | +3,334+7.1% | Added |
| HRT Financial LP | 49,426 | $209.0K | 0.00% | −6,959−12.3% | Reduced |
| Corebridge Financial, Inc. | 49,345 | $208.7K | 0.00% | −305−0.6% | Reduced |
| Blair William & Co | 47,131 | $199.4K | 0.00% | −220−0.5% | Reduced |
| SEI Investments Co | 42,880 | $181.4K | 0.00% | +13,856+47.7% | Added |
| Manufacturers Life Insurance Company, The | 37,794 | $159.9K | 0.00% | −1,309−3.3% | Reduced |
| Henshaw Capital LLC | 37,507 | $158.7K | 0.01% | +12,462+49.8% | Added |
| Ameriprise Financial Inc | 35,929 | $152.0K | 0.00% | +998+2.9% | Added |
| Atom Investors LP | 35,911 | $151.9K | 0.02% | −1,352−3.6% | Reduced |
| Gallagher Fiduciary Advisors, LLC | 35,095 | $148.5K | 0.03% | +35,095 | New |
| Atria Investments LLC | 35,081 | $148.4K | 0.00% | +35,081 | New |
| SG Americas Securities, LLC | 34,858 | $147.0K | 0.00% | +17,901+105.6% | Added |
| Voya Investment Management LLC | 33,373 | $141.2K | 0.00% | −622−1.8% | Reduced |
| Price T Rowe Associates Inc | 30,267 | $129.0K | 0.00% | +716+2.4% | Added |
| Mesirow Financial Investment Management, Inc. | 30,398 | $128.6K | 0.00% | +30,398 | New |
| Legato Capital Management LLC | 30,284 | $128.1K | 0.02% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 29,455 | $124.6K | 0.00% | −90,386−75.4% | Reduced |
| Diametric Capital, LP | 29,189 | $123.5K | 0.06% | −18,274−38.5% | Reduced |
| PDT Partners, LLC | 29,011 | $122.7K | 0.01% | +29,011 | New |
| State Board of Administration of Florida Retirement System | 26,753 | $113.2K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 25,400 | $107.4K | 0.00% | +808+3.3% | Added |
| Connors Investor Services Inc | 25,000 | $105.8K | 0.01% | +25,000 | New |
| Palumbo Wealth Management LLC | 24,640 | $104.2K | 0.04% | +2,744+12.5% | Added |
| NJ State Employees Deferred Compensation Plan | 24,500 | $103.6K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 24,422 | $103.3K | 0.00% | +4,673+23.7% | Added |
| China Universal Asset Management Co., Ltd. | 22,727 | $96.1K | 0.01% | +8,909+64.5% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,584 | $91.3K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 21,382 | $90.0K | 0.00% | 00.0% | Unchanged |
| BFSG, LLC | 20,480 | $86.6K | 0.01% | 00.0% | Unchanged |
| LPL Financial LLC | 19,564 | $82.8K | 0.00% | −118−0.6% | Reduced |
| Bleakley Financial Group, LLC | 19,488 | $82.4K | 0.00% | −22,740−53.9% | Reduced |
| Susquehanna International Group, LLP | 18,628 | $78.8K | 0.00% | −18,850−50.3% | Reduced |
| Captrust Financial Advisors | 16,599 | $70.2K | 0.00% | −5,801−25.9% | Reduced |
| Aigen Investment Management, LP | 16,557 | $70.0K | 0.01% | +386+2.4% | Added |
| Intech Investment Management LLC | 16,437 | $69.5K | 0.00% | +16,437 | New |
| Thrive Wealth Management, LLC | 16,081 | $68.0K | 0.01% | 00.0% | Unchanged |
| Mariner, LLC | 15,990 | $67.6K | 0.00% | −3,537−18.1% | Reduced |