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 2024
Institutional positions in OmniAb, Inc. as of Mar 31, 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
- 153
- −3 vs. Q4 2023
- Shares held
- 83.6M
- −113.9K (−0.1%) vs. Q4 2023
- Total value
- $450.4M
- −$63.5M (−12.4%) vs. Q4 2023
- New holders
- 15
- 43 more added
- Sold out
- 18
- 50 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avista Capital Holdings, L.P. | 15,817,934 | $83.3M | 91.27% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 7,859,438 | $42.6M | 0.02% | +81,541+1.0% | Added |
| BlackRock Inc. | 7,072,101 | $38.3M | 0.00% | −215,718−3.0% | Reduced |
| Vanguard Group Inc | 5,713,539 | $31.0M | 0.00% | +62,131+1.1% | Added |
| Macquarie Group Ltd | 3,474,134 | $18.8M | 0.02% | −94,096−2.6% | Reduced |
| William Blair Investment Management, LLC | 3,364,346 | $18.2M | 0.05% | +27,105+0.8% | Added |
| Chicago Capital, LLC | 3,187,352 | $17.3M | 0.53% | −7,121−0.2% | Reduced |
| Rubric Capital Management LP | 2,850,588 | $15.5M | 0.46% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 2,817,381 | $15.3M | 0.00% | +193,386+7.4% | Added |
| Millennium Management LLC | 2,912,430 | $15.2M | 0.01% | +636,012+27.9% | Added |
| Rice Hall James & Associates, LLC | 2,640,541 | $14.3M | 0.82% | −72,103−2.7% | Reduced |
| Private Management Group Inc | 2,278,612 | $12.4M | 0.47% | −361,039−13.7% | Reduced |
| Geode Capital Management, LLC | 2,223,852 | $12.1M | 0.00% | +72,297+3.4% | Added |
| Villere St Denis J & Co LLC | 2,078,294 | $11.3M | 0.90% | −73,475−3.4% | Reduced |
| State Street Corp | 2,045,826 | $11.1M | 0.00% | +36,418+1.8% | Added |
| First Sabrepoint Capital Management LP | 1,580,621 | $8.57M | 3.81% | −76,552−4.6% | Reduced |
| Orchard Capital Managment, LLC | 1,373,498 | $7.44M | 2.18% | +15,470+1.1% | Added |
| Kornitzer Capital Management Inc | 1,219,955 | $6.61M | 0.12% | 00.0% | Unchanged |
| Knott David M Jr | 1,103,505 | $5.98M | 2.12% | +17,000+1.6% | Added |
| Northern Trust Corp | 870,632 | $4.72M | 0.00% | −2,800−0.3% | Reduced |
| Impax Asset Management Group plc | 761,387 | $4.13M | 0.02% | −86,797−10.2% | Reduced |
| Charles Schwab Investment Management Inc | 756,887 | $4.10M | 0.00% | +5,391+0.7% | Added |
| Woodstock Corp | 748,428 | $4.06M | 0.42% | +5,426+0.7% | Added |
| Deutsche Bank AG | 581,051 | $3.15M | 0.00% | +1,160+0.2% | Added |
| ADAR1 Capital Management, LLC | 451,485 | $2.45M | 0.67% | −26,686−5.6% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 450,425 | $2.44M | 0.01% | −13,000−2.8% | Reduced |
| Bank of New York Mellon Corp | 423,169 | $2.29M | 0.00% | −41,785−9.0% | Reduced |
| AWH Capital, L.P. | 422,500 | $2.29M | 2.11% | +990.0% | Added |
| Isthmus Partners, LLC | 384,998 | $2.09M | 0.24% | +74,224+23.9% | Added |
| Bank of America Corp | 374,576 | $2.03M | 0.00% | −50,517−11.9% | Reduced |
| Morgan Stanley | 361,843 | $1.96M | 0.00% | −96,519−21.1% | Reduced |
| Kent Lake Capital LLC | 300,000 | $1.63M | 0.71% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 250,278 | $1.36M | 0.01% | +5,659+2.3% | Added |
| TLS Advisors LLC | 250,185 | $1.36M | 3.35% | 00.0% | Unchanged |
| Towerview LLC | 250,000 | $1.35M | 0.90% | +75,000+42.9% | Added |
| Nuveen Asset Management, LLC | 227,806 | $1.23M | 0.00% | −540.0% | Reduced |
| Tudor Investment Corp Et Al | 214,188 | $1.16M | 0.01% | +214,188 | New |
| JPMorgan Chase & Co | 178,281 | $966.3K | 0.00% | −44,013−19.8% | Reduced |
| Wells Fargo & Company | 172,880 | $937.0K | 0.00% | +138,078+396.8% | Added |
| Cornerstone Capital, Inc. | 172,016 | $932.3K | 0.10% | +6,000+3.6% | Added |
| Swiss National Bank | 171,703 | $930.6K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 162,577 | $881.2K | 0.00% | +4,057+2.6% | Added |
| Goldman Sachs Group Inc | 161,789 | $876.9K | 0.00% | −27,648−14.6% | Reduced |
| D. E. Shaw & Co., Inc. | 120,667 | $654.0K | 0.00% | −127,445−51.4% | Reduced |
| FMR LLC | 117,653 | $637.7K | 0.00% | +2,724+2.4% | Added |
| Alliancebernstein L.P. | 113,685 | $616.2K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 111,505 | $604.4K | 0.00% | −11,159−9.1% | Reduced |
| Royce & Associates LP | 104,588 | $566.9K | 0.01% | −55,560−34.7% | Reduced |
| Invesco Ltd. | 93,488 | $506.7K | 0.00% | +33,568+56.0% | Added |
| California State Teachers Retirement System | 87,747 | $475.6K | 0.00% | −5,371−5.8% | Reduced |
| State of Wisconsin Investment Board | 85,899 | $465.6K | 0.00% | +85,899 | New |
| Barclays PLC | 82,925 | $449.5K | 0.00% | −62,373−42.9% | Reduced |
| Allspring Global Investments Holdings, LLC | 80,111 | $434.2K | 0.00% | −8,341−9.4% | Reduced |
| UBS Asset Management Americas Inc | 79,905 | $433.1K | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 79,359 | $430.1K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 77,399 | $419.5K | 0.00% | +2,817+3.8% | Added |
| STRS Ohio | 75,700 | $410.0K | 0.00% | +26,000+52.3% | Added |
| Jump Financial, LLC | 72,182 | $391.2K | 0.01% | +22,450+45.1% | Added |
| American Century Companies Inc | 72,073 | $390.6K | 0.00% | +1,153+1.6% | Added |
| Citadel Advisors LLC | 71,182 | $385.8K | 0.00% | +57,273+411.8% | Added |
| CIBC Private Wealth Group, LLC | 59,584 | $319.4K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 51,991 | $281.8K | 0.00% | −2,381−4.4% | Reduced |
| MetLife Investment Management | 50,427 | $273.3K | 0.00% | 00.0% | Unchanged |
| Blair William & Co | 47,400 | $256.9K | 0.00% | −1,960−4.0% | Reduced |
| Court Place Advisors, LLC | 46,887 | $254.1K | 0.08% | −64,770−58.0% | Reduced |
| American International Group, Inc. | 45,953 | $249.1K | 0.00% | −395−0.9% | Reduced |
| Citigroup Inc | 41,783 | $226.5K | 0.00% | +25,577+157.8% | Added |
| Atom Investors LP | 40,398 | $219.0K | 0.03% | −3,481−7.9% | Reduced |
| SG Americas Securities, LLC | 36,452 | $198.0K | 0.00% | −17,280−32.2% | Reduced |
| Ameriprise Financial Inc | 35,757 | $193.8K | 0.00% | −7,594−17.5% | Reduced |
| Bleakley Financial Group, LLC | 34,250 | $185.6K | 0.01% | +15,321+80.9% | Added |
| Simplicity Wealth,LLC | 34,184 | $185.3K | 0.00% | +34,184 | New |
| Two Sigma Investments, LP | 33,447 | $181.3K | 0.00% | −13,137−28.2% | Reduced |
| Guggenheim Capital LLC | 33,340 | $180.7K | 0.00% | −427−1.3% | Reduced |
| New York State Common Retirement Fund | 32,434 | $175.8K | 0.00% | −301−0.9% | Reduced |
| Voya Investment Management LLC | 31,753 | $172.1K | 0.00% | −6,433−16.8% | Reduced |
| Mariner, LLC | 31,449 | $170.5K | 0.00% | −9,333−22.9% | Reduced |
| Legato Capital Management LLC | 30,200 | $163.7K | 0.02% | 00.0% | Unchanged |
| Principal Financial Group Inc | 29,890 | $162.0K | 0.00% | −2,598−8.0% | Reduced |
| Price T Rowe Associates Inc | 26,843 | $146.0K | 0.00% | +3,108+13.1% | Added |
| SEI Investments Co | 26,136 | $141.7K | 0.00% | +1,330+5.4% | Added |
| Balyasny Asset Management LLC | 26,069 | $141.3K | 0.00% | +26,069 | New |
| Henshaw Capital LLC | 25,045 | $135.7K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 24,898 | $134.9K | 0.00% | +2,036+8.9% | Added |
| NJ State Employees Deferred Compensation Plan | 24,500 | $132.8K | 0.02% | 00.0% | Unchanged |
| Arizona State Retirement System | 23,959 | $129.9K | 0.00% | −397−1.6% | Reduced |
| Captrust Financial Advisors | 22,386 | $121.3K | 0.00% | −46,512−67.5% | Reduced |
| China Universal Asset Management Co., Ltd. | 22,321 | $121.0K | 0.02% | +8,871+66.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,654 | $117.4K | 0.00% | +2,882+15.4% | Added |
| HighTower Advisors, LLC | 21,382 | $116.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 21,378 | $115.9K | 0.00% | +4,084+23.6% | Added |
| LPL Financial LLC | 20,700 | $112.2K | 0.00% | +2,308+12.5% | Added |
| BFSG, LLC | 20,480 | $111.0K | 0.01% | −6,135−23.1% | Reduced |
| Axq Capital, LP | 20,465 | $110.9K | 0.03% | +10,165+98.7% | Added |
| BBR Partners, LLC | 20,000 | $108.4K | 0.01% | 00.0% | Unchanged |
| GWM Advisors LLC | 19,190 | $104.0K | 0.00% | +19,001+10,053.4% | Added |
| Franklin Resources Inc | 17,468 | $94.7K | 0.00% | −25,638−59.5% | Reduced |
| ExodusPoint Capital Management, LP | 17,000 | $92.0K | 0.00% | +17,000 | New |
| Baird Financial Group, Inc. | 14,750 | $79.9K | 0.00% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 14,396 | $78.0K | 0.00% | 00.0% | Unchanged |