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, Q4 2022
Institutional positions in OmniAb, Inc. as of Dec 31, 2022. 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
- +147 vs. Q3 2022
- Shares held
- 65.2M
- +64.1M (+5,814.8%) vs. Q3 2022
- Total value
- $234.9M
- +$223.7M (+1,989.0%) vs. Q3 2022
- New holders
- 148
- 0 more added
- Sold out
- 1
- 0 more reduced
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 6,582,201 | $23.7M | 0.02% | +6,582,201 | New |
| Vanguard Group Inc | 6,403,783 | $23.1M | 0.00% | +6,403,783 | New |
| BlackRock Inc. | 5,762,379 | $20.7M | 0.00% | +5,762,379 | New |
| Millennium Management LLC | 5,123,398 | $18.4M | 0.02% | +5,123,398 | New |
| Macquarie Group Ltd | 3,783,769 | $13.6M | 0.02% | +3,783,769 | New |
| William Blair Investment Management, LLC | 2,525,617 | $9.09M | 0.03% | +2,525,617 | New |
| Rice Hall James & Associates, LLC | 2,483,766 | $8.94M | 0.51% | +2,483,766 | New |
| Chicago Capital, LLC | 2,400,717 | $8.64M | 0.48% | +2,400,717 | New |
| Villere St Denis J & Co LLC | 2,293,031 | $8.25M | 0.64% | +2,293,031 | New |
| Rubric Capital Management LP | 2,249,222 | $8.10M | 0.35% | +2,249,222 | New |
| Dimensional Fund Advisors LP | 2,012,714 | $7.25M | 0.00% | +2,012,714 | New |
| Kornitzer Capital Management Inc | 1,760,375 | $6.34M | 0.13% | +1,760,375 | New |
| Geode Capital Management, LLC | 1,758,137 | $6.33M | 0.00% | +1,758,137 | New |
| State Street Corp | 1,751,394 | $6.31M | 0.00% | +1,751,394 | New |
| First Sabrepoint Capital Management LP | 1,450,000 | $5.22M | 2.56% | +1,450,000 | New |
| Orchard Capital Managment, LLC | 1,280,190 | $4.61M | 1.54% | +1,280,190 | New |
| Knott David M Jr | 1,270,939 | $4.58M | 1.98% | +1,270,939 | New |
| Impax Asset Management Group plc | 1,148,184 | $4.13M | 0.02% | +1,148,184 | New |
| Citadel Advisors LLC | 1,116,967 | $4.02M | 0.00% | +1,116,967 | New |
| Stephens Investment Management Group LLC | 861,403 | $3.34M | 0.06% | +861,403 | New |
| Charles Schwab Investment Management Inc | 903,732 | $3.25M | 0.00% | +903,732 | New |
| Northern Trust Corp | 843,123 | $3.04M | 0.00% | +843,123 | New |
| Nordea Investment Management AB | 741,502 | $2.82M | 0.00% | +741,502 | New |
| Norges Bank | 623,616 | $2.25M | 0.00% | +623,616 | New |
| 1492 Capital Management LLC | 443,484 | $1.60M | 1.03% | +443,484 | New |
| TLS Advisors LLC | 386,592 | $1.39M | 6.86% | +386,592 | New |
| Murchinson Ltd. | 374,582 | $1.35M | 0.18% | +374,582 | New |
| Bank of New York Mellon Corp | 373,698 | $1.35M | 0.00% | +373,698 | New |
| Boothbay Fund Management, LLC | 362,991 | $1.31M | 0.04% | +362,991 | New |
| Stonepine Capital Management, LLC | 354,266 | $1.28M | 0.54% | +354,266 | New |
| Woodstock Corp | 330,601 | $1.19M | 0.16% | +330,601 | New |
| Bank of America Corp | 328,131 | $1.18M | 0.00% | +328,131 | New |
| Monarch Partners Asset Management LLC | 315,193 | $1.13M | 0.34% | +315,193 | New |
| Jane Street Group, LLC | 262,110 | $943.6K | 0.00% | +262,110 | New |
| Deutsche Bank AG | 257,249 | $926.1K | 0.00% | +257,249 | New |
| American Century Companies Inc | 225,318 | $811.1K | 0.00% | +225,318 | New |
| Nuveen Asset Management, LLC | 224,414 | $808.0K | 0.00% | +224,414 | New |
| AWH Capital, L.P. | 222,500 | $801.0K | 1.00% | +222,500 | New |
| SG Americas Securities, LLC | 209,774 | $755.0K | 0.01% | +209,774 | New |
| Swiss National Bank | 196,003 | $705.6K | 0.00% | +196,003 | New |
| Isthmus Partners, LLC | 192,073 | $691.5K | 0.10% | +192,073 | New |
| Cornerstone Capital, Inc. | 174,659 | $628.8K | 0.08% | +174,659 | New |
| Morgan Stanley | 168,809 | $607.7K | 0.00% | +168,809 | New |
| JPMorgan Chase & Co | 162,288 | $585.0K | 0.00% | +162,288 | New |
| GW&K Investment Management, LLC | 147,504 | $531.0K | 0.01% | +147,504 | New |
| Smith, Graham & Co., Investment Advisors, LP | 144,299 | $519.5K | 0.06% | +144,299 | New |
| Rhumbline Advisers | 123,280 | $444.0K | 0.00% | +123,280 | New |
| Court Place Advisors, LLC | 114,107 | $410.8K | 0.15% | +114,107 | New |
| California State Teachers Retirement System | 103,283 | $371.8K | 0.00% | +103,283 | New |
| Alliancebernstein L.P. | 101,165 | $364.2K | 0.00% | +101,165 | New |
| Diametric Capital, LP | 91,388 | $329.0K | 0.16% | +91,388 | New |
| Invesco Ltd. | 88,746 | $319.5K | 0.00% | +88,746 | New |
| Credit Suisse AG | 87,268 | $314.2K | 0.00% | +87,268 | New |
| Goldman Sachs Group Inc | 81,780 | $294.4K | 0.00% | +81,780 | New |
| Legal & General Group Plc | 69,409 | $249.9K | 0.00% | +69,409 | New |
| Anson Funds Management LP | 63,016 | $226.9K | 0.07% | +63,016 | New |
| CIBC Private Wealth Group, LLC | 58,878 | $212.0K | 0.00% | +58,878 | New |
| New York State Common Retirement Fund | 53,557 | $192.8K | 0.00% | +53,557 | New |
| Blair William & Co | 50,129 | $180.5K | 0.00% | +50,129 | New |
| Ameriprise Financial Inc | 48,637 | $176.0K | 0.00% | +48,637 | New |
| Atom Investors LP | 48,402 | $174.2K | 0.09% | +48,402 | New |
| LPL Financial LLC | 47,599 | $171.4K | 0.00% | +47,599 | New |
| Russell Investments Group, Ltd. | 44,139 | $158.9K | 0.00% | +44,139 | New |
| MetLife Investment Management | 42,222 | $152.0K | 0.00% | +42,222 | New |
| American International Group, Inc. | 36,452 | $131.2K | 0.00% | +36,452 | New |
| Lazard Asset Management LLC | 35,617 | $128.0K | 0.00% | +35,617 | New |
| Advisors Asset Management, Inc. | 35,346 | $127.2K | 0.00% | +35,346 | New |
| Investment Management of Virginia LLC | 34,710 | $125.0K | 0.02% | +34,710 | New |
| Prelude Capital Management, LLC | 32,497 | $117.0K | 0.01% | +32,497 | New |
| Squarepoint Ops LLC | 32,000 | $115.2K | 0.00% | +32,000 | New |
| Guggenheim Capital LLC | 31,238 | $112.5K | 0.00% | +31,238 | New |
| Voya Investment Management LLC | 28,356 | $102.1K | 0.00% | +28,356 | New |
| Tower Research Capital LLC (TRC) | 27,316 | $98.0K | 0.00% | +27,316 | New |
| First Republic Investment Management, Inc. | 25,189 | $90.7K | 0.00% | +25,189 | New |
| NJ State Employees Deferred Compensation Plan | 24,500 | $88.2K | 0.01% | +24,500 | New |
| Teacher Retirement System of Texas | 23,345 | $84.0K | 0.00% | +23,345 | New |
| Arizona State Retirement System | 23,313 | $83.9K | 0.00% | +23,313 | New |
| Erste Asset Management GmbH | 21,070 | $81.8K | 0.00% | +21,070 | New |
| Barclays PLC | 21,167 | $76.2K | 0.00% | +21,167 | New |
| State Board of Administration of Florida Retirement System | 19,943 | $71.8K | 0.00% | +19,943 | New |
| Baird Financial Group, Inc. | 18,248 | $66.0K | 0.00% | +18,248 | New |
| Legato Capital Management LLC | 17,883 | $64.4K | 0.01% | +17,883 | New |
| SEI Investments Co | 16,976 | $61.1K | 0.00% | +16,976 | New |
| Texas Permanent School Fund | 16,896 | $61.0K | 0.00% | +16,896 | New |
| Raymond James & Associates | 16,382 | $59.0K | 0.00% | +16,382 | New |
| STRS Ohio | 16,200 | $58.0K | 0.00% | +16,200 | New |
| Henshaw Capital LLC | 15,807 | $56.9K | 0.00% | +15,807 | New |
| Royal Bank of Canada | 15,571 | $56.0K | 0.00% | +15,571 | New |
| Public Employees Retirement Association of Colorado | 14,264 | $51.0K | 0.00% | +14,264 | New |
| Two Sigma Investments, LP | 13,700 | $49.3K | 0.00% | +13,700 | New |
| Price T Rowe Associates Inc | 13,510 | $49.0K | 0.00% | +13,510 | New |
| HighTower Advisors, LLC | 13,571 | $49.0K | 0.00% | +13,571 | New |
| Point72 Asset Management, L.P. | 12,327 | $44.4K | 0.00% | +12,327 | New |
| Raymond James Financial Services Advisors, Inc. | 11,868 | $42.7K | 0.00% | +11,868 | New |
| Two Sigma Advisers, LP | 11,750 | $42.3K | 0.00% | +11,750 | New |
| Ameritas Advisory Services, LLC | 11,637 | $41.9K | 0.00% | +11,637 | New |
| Eagle Asset Management Inc | 11,945 | $41.0K | 0.00% | +11,945 | New |
| Victory Capital Management Inc | 10,688 | $38.5K | 0.00% | +10,688 | New |
| Handelsbanken Fonder AB | 10,574 | $38.0K | 0.00% | +10,574 | New |
| State of Wisconsin Investment Board | 10,306 | $37.1K | 0.00% | +10,306 | New |