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 |
|---|---|---|---|---|---|
| Rhumbline Advisers | 123,280 | $444.0K | 0.00% | +123,280 | New |
| Smith, Graham & Co., Investment Advisors, LP | 144,299 | $519.5K | 0.06% | +144,299 | New |
| GW&K Investment Management, LLC | 147,504 | $531.0K | 0.01% | +147,504 | New |
| JPMorgan Chase & Co | 162,288 | $585.0K | 0.00% | +162,288 | New |
| Morgan Stanley | 168,809 | $607.7K | 0.00% | +168,809 | New |
| Cornerstone Capital, Inc. | 174,659 | $628.8K | 0.08% | +174,659 | New |
| Isthmus Partners, LLC | 192,073 | $691.5K | 0.10% | +192,073 | New |
| Swiss National Bank | 196,003 | $705.6K | 0.00% | +196,003 | New |
| SG Americas Securities, LLC | 209,774 | $755.0K | 0.01% | +209,774 | New |
| AWH Capital, L.P. | 222,500 | $801.0K | 1.00% | +222,500 | New |
| Nuveen Asset Management, LLC | 224,414 | $808.0K | 0.00% | +224,414 | New |
| American Century Companies Inc | 225,318 | $811.1K | 0.00% | +225,318 | New |
| Deutsche Bank AG | 257,249 | $926.1K | 0.00% | +257,249 | New |
| Jane Street Group, LLC | 262,110 | $943.6K | 0.00% | +262,110 | New |
| Monarch Partners Asset Management LLC | 315,193 | $1.13M | 0.34% | +315,193 | New |
| Bank of America Corp | 328,131 | $1.18M | 0.00% | +328,131 | New |
| Woodstock Corp | 330,601 | $1.19M | 0.16% | +330,601 | New |
| Stonepine Capital Management, LLC | 354,266 | $1.28M | 0.54% | +354,266 | New |
| Boothbay Fund Management, LLC | 362,991 | $1.31M | 0.04% | +362,991 | New |
| Bank of New York Mellon Corp | 373,698 | $1.35M | 0.00% | +373,698 | New |
| Murchinson Ltd. | 374,582 | $1.35M | 0.18% | +374,582 | New |
| TLS Advisors LLC | 386,592 | $1.39M | 6.86% | +386,592 | New |
| 1492 Capital Management LLC | 443,484 | $1.60M | 1.03% | +443,484 | New |
| Norges Bank | 623,616 | $2.25M | 0.00% | +623,616 | New |
| Nordea Investment Management AB | 741,502 | $2.82M | 0.00% | +741,502 | New |
| Northern Trust Corp | 843,123 | $3.04M | 0.00% | +843,123 | New |
| Charles Schwab Investment Management Inc | 903,732 | $3.25M | 0.00% | +903,732 | New |
| Stephens Investment Management Group LLC | 861,403 | $3.34M | 0.06% | +861,403 | New |
| Citadel Advisors LLC | 1,116,967 | $4.02M | 0.00% | +1,116,967 | New |
| Impax Asset Management Group plc | 1,148,184 | $4.13M | 0.02% | +1,148,184 | New |
| Knott David M Jr | 1,270,939 | $4.58M | 1.98% | +1,270,939 | New |
| Orchard Capital Managment, LLC | 1,280,190 | $4.61M | 1.54% | +1,280,190 | New |
| First Sabrepoint Capital Management LP | 1,450,000 | $5.22M | 2.56% | +1,450,000 | New |
| State Street Corp | 1,751,394 | $6.31M | 0.00% | +1,751,394 | New |
| Geode Capital Management, LLC | 1,758,137 | $6.33M | 0.00% | +1,758,137 | New |
| Kornitzer Capital Management Inc | 1,760,375 | $6.34M | 0.13% | +1,760,375 | New |
| Dimensional Fund Advisors LP | 2,012,714 | $7.25M | 0.00% | +2,012,714 | New |
| Rubric Capital Management LP | 2,249,222 | $8.10M | 0.35% | +2,249,222 | New |
| Villere St Denis J & Co LLC | 2,293,031 | $8.25M | 0.64% | +2,293,031 | New |
| Chicago Capital, LLC | 2,400,717 | $8.64M | 0.48% | +2,400,717 | New |
| Rice Hall James & Associates, LLC | 2,483,766 | $8.94M | 0.51% | +2,483,766 | New |
| William Blair Investment Management, LLC | 2,525,617 | $9.09M | 0.03% | +2,525,617 | New |
| Macquarie Group Ltd | 3,783,769 | $13.6M | 0.02% | +3,783,769 | New |
| Millennium Management LLC | 5,123,398 | $18.4M | 0.02% | +5,123,398 | New |
| BlackRock Inc. | 5,762,379 | $20.7M | 0.00% | +5,762,379 | New |
| Vanguard Group Inc | 6,403,783 | $23.1M | 0.00% | +6,403,783 | New |
| Janus Henderson Group PLC | 6,582,201 | $23.7M | 0.02% | +6,582,201 | New |
| IFP Advisors, Inc | 146 | – | – | +146 | New |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −1,101,548−100.0% | Sold out |