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 2023
Institutional positions in OmniAb, Inc. as of Sep 30, 2023. 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
- +4 vs. Q2 2023
- Shares held
- 68.7M
- +1.26M (+1.9%) vs. Q2 2023
- Total value
- $355.9M
- +$17.4M (+5.1%) vs. Q2 2023
- New holders
- 17
- 43 more added
- Sold out
- 13
- 42 more reduced
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 79,959 | $415.0K | 0.00% | −59,900−42.8% | Reduced |
| California State Teachers Retirement System | 97,237 | $504.7K | 0.00% | −10,033−9.4% | Reduced |
| Standard Life Aberdeen plc | 103,708 | $538.2K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 104,739 | $543.6K | 0.00% | +101,517+3,150.7% | Added |
| Towerview LLC | 110,000 | $570.9K | 0.38% | +25,000+29.4% | Added |
| Court Place Advisors, LLC | 111,657 | $579.5K | 0.21% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 113,685 | $590.0K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 150,564 | $781.4K | 0.00% | −259−0.2% | Reduced |
| JPMorgan Chase & Co | 151,010 | $783.7K | 0.00% | −17,621−10.4% | Reduced |
| Cornerstone Capital, Inc. | 166,016 | $861.6K | 0.10% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 170,895 | $886.9K | 0.00% | −3,179−1.8% | Reduced |
| Swiss National Bank | 190,603 | $989.2K | 0.00% | +4,700+2.5% | Added |
| D. E. Shaw & Co., Inc. | 205,787 | $1.07M | 0.00% | +111,294+117.8% | Added |
| Nuveen Asset Management, LLC | 226,053 | $1.17M | 0.00% | −59,042−20.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 229,455 | $1.19M | 0.01% | +229,455 | New |
| TLS Advisors LLC | 250,185 | $1.30M | 5.25% | 00.0% | Unchanged |
| Morgan Stanley | 261,201 | $1.36M | 0.00% | −15,062−5.5% | Reduced |
| Isthmus Partners, LLC | 262,636 | $1.36M | 0.20% | +3,615+1.4% | Added |
| Kent Lake Capital LLC | 396,154 | $2.06M | 0.80% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 418,439 | $2.17M | 0.00% | +9,919+2.4% | Added |
| Bank of America Corp | 427,795 | $2.22M | 0.00% | +39,289+10.1% | Added |
| 1492 Capital Management LLC | 438,810 | $2.28M | 1.47% | −3,952−0.9% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 463,425 | $2.41M | 0.01% | −17,970−3.7% | Reduced |
| Invesco Ltd. | 513,516 | $2.67M | 0.00% | +488,144+1,923.9% | Added |
| AWH Capital, L.P. | 555,500 | $2.88M | 2.57% | 00.0% | Unchanged |
| Deutsche Bank AG | 580,969 | $3.02M | 0.00% | +6,325+1.1% | Added |
| Woodstock Corp | 685,790 | $3.56M | 0.45% | +7,438+1.1% | Added |
| Charles Schwab Investment Management Inc | 741,762 | $3.85M | 0.00% | −9,016−1.2% | Reduced |
| Northern Trust Corp | 884,303 | $4.59M | 0.00% | −83,447−8.6% | Reduced |
| Knott David M Jr | 1,086,505 | $5.64M | 2.22% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 1,148,184 | $5.96M | 0.03% | 00.0% | Unchanged |
| Orchard Capital Managment, LLC | 1,280,190 | $6.64M | 2.46% | 00.0% | Unchanged |
| First Sabrepoint Capital Management LP | 1,448,799 | $7.52M | 3.49% | −731,201−33.5% | Reduced |
| Kornitzer Capital Management Inc | 1,730,425 | $8.98M | 0.19% | 00.0% | Unchanged |
| State Street Corp | 2,070,949 | $10.7M | 0.00% | +4,997+0.2% | Added |
| Geode Capital Management, LLC | 2,077,098 | $10.8M | 0.00% | +32,217+1.6% | Added |
| Villere St Denis J & Co LLC | 2,226,335 | $11.6M | 0.99% | −35,722−1.6% | Reduced |
| Dimensional Fund Advisors LP | 2,330,321 | $12.1M | 0.00% | +622,868+36.5% | Added |
| Private Management Group Inc | 2,672,292 | $13.9M | 0.57% | −997,143−27.2% | Reduced |
| Rice Hall James & Associates, LLC | 2,780,826 | $14.4M | 0.92% | −51,550−1.8% | Reduced |
| Rubric Capital Management LP | 2,850,588 | $14.8M | 0.62% | +2,148,535+306.0% | Added |
| William Blair Investment Management, LLC | 2,862,656 | $14.9M | 0.05% | +80,906+2.9% | Added |
| Chicago Capital, LLC | 3,195,598 | $16.6M | 0.78% | +22,893+0.7% | Added |
| Millennium Management LLC | 3,799,246 | $19.1M | 0.02% | −536,833−12.4% | Reduced |
| Macquarie Group Ltd | 3,899,314 | $20.2M | 0.03% | −48,259−1.2% | Reduced |
| Vanguard Group Inc | 5,495,944 | $28.5M | 0.00% | −197,950−3.5% | Reduced |
| BlackRock Inc. | 6,766,785 | $35.1M | 0.00% | −35,811−0.5% | Reduced |
| Janus Henderson Group PLC | 7,681,275 | $39.9M | 0.03% | −10,936−0.1% | Reduced |
| Diametric Capital, LP | 0 | $0 | 0.00% | −81,560−100.0% | Sold out |
| Norges Bank | 0 | $0 | 0.00% | −55,985−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −26,209−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −26,183−100.0% | Sold out |
| Pinnacle Associates Ltd | 0 | $0 | 0.00% | −21,585−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −11,338−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −7,639−100.0% | Sold out |
| Pinebridge Investments, L.P. | 0 | $0 | 0.00% | −3,731−100.0% | Sold out |
| Harbor Investment Advisory, LLC | 0 | $0 | 0.00% | −3,052−100.0% | Sold out |
| Hazlett, Burt & Watson, Inc. | 0 | $0 | 0.00% | −343−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −98−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |