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, Q2 2026
Institutional positions in OmniAb, Inc. as of Jun 30, 2026. 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
- 131
- +4 vs. Q1 2026
- Shares held
- 58.8M
- +2.84M (+5.1%) vs. Q1 2026
- Total value
- $144.2M
- +$56.5M (+64.4%) vs. Q1 2026
- New holders
- 21
- 57 more added
- Sold out
- 17
- 32 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Caitong International Asset Management Co., Ltd | 5 | $12 | 0.00% | +4+400.0% | Added |
| JPL Wealth Management, LLC | 7 | $18 | 0.00% | +7 | New |
| Mather Group, LLC. | 21 | $52 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 28 | $69 | 0.00% | +25+833.3% | Added |
| Clearstead Advisors, LLC | 29 | $72 | 0.00% | +29 | New |
| Wealth Enhancement Trust Services, Inc. | 35 | $86 | 0.00% | +35 | New |
| True Wealth Design, LLC | 54 | $133 | 0.00% | +38+237.5% | Added |
| IFP Advisors, Inc | 87 | $214 | 0.00% | −8−8.4% | Reduced |
| Fifth Third Bancorp | 127 | $312 | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 127 | $312 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 128 | $315 | 0.00% | −804−86.3% | Reduced |
| Rothschild Investment LLC | 154 | $379 | 0.00% | +66+75.0% | Added |
| TD Private Client Wealth LLC | 170 | $418 | 0.00% | +170 | New |
| Central Trust Co | 171 | $421 | 0.00% | 00.0% | Unchanged |
| IFG Advisory, LLC | 190 | $468 | 0.00% | +190 | New |
| Farther Finance Advisors, LLC | 191 | $479 | 0.00% | +160+516.1% | Added |
| C M Bidwell & Associates Ltd | 233 | $573 | 0.00% | +233 | New |
| Quarry LP | 317 | $780 | 0.00% | +317 | New |
| Comprehensive Financial Planning, Inc. | 323 | $795 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 347 | $854 | 0.00% | +347 | New |
| Signaturefd, LLC | 361 | $888 | 0.00% | 00.0% | Unchanged |
| Dynamic Wealth Strategies, LLC | 411 | $1.01K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 520 | $1.28K | 0.00% | +30+6.1% | Added |
| EverSource Wealth Advisors, LLC | 521 | $1.28K | 0.00% | +11+2.2% | Added |
| North Star Investment Management Corp. | 550 | $1.35K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 848 | $2.09K | 0.00% | −96−10.2% | Reduced |
| Cheviot Value Management, LLC | 980 | $2.41K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 1,444 | $3.55K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 1,515 | $3.73K | 0.00% | −4,728−75.7% | Reduced |
| SRS Capital Advisors, Inc. | 1,601 | $3.94K | 0.00% | +1,593+19,912.5% | Added |
| Parallel Advisors, LLC | 1,854 | $4.56K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 2,059 | $5.07K | 0.00% | +2,035+8,479.2% | Added |
| Redwood Park Advisors LLC | 2,184 | $5.37K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 2,217 | $5.45K | 0.00% | −1,090−33.0% | Reduced |
| Jackson, Grant Investment Advisers, Inc. | 2,450 | $6.03K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 2,771 | $6.82K | 0.00% | +320+13.1% | Added |
| GF Fund Management Co. Ltd. | 2,973 | $7.31K | 0.00% | −228−7.1% | Reduced |
| Royal Bank of Canada | 5,219 | $13.0K | 0.00% | +3,468+198.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 6,484 | $16.0K | 0.00% | −1,345−17.2% | Reduced |
| Steigerwald, Gordon & Koch Inc. | 7,673 | $18.9K | 0.00% | 00.0% | Unchanged |
| Clear Street Markets LLC | 7,882 | $19.4K | 0.00% | +7,882 | New |
| Tower Research Capital LLC (TRC) | 8,044 | $19.8K | 0.00% | −27,262−77.2% | Reduced |
| Ameritas Investment Partners, Inc. | 9,652 | $23.7K | 0.00% | 00.0% | Unchanged |
| Xponance, Inc. | 10,472 | $25.8K | 0.00% | +10,472 | New |
| Virtu Financial LLC | 10,565 | $26.0K | 0.00% | +10,565 | New |
| JustInvest LLC | 10,793 | $26.6K | 0.00% | −14,434−57.2% | Reduced |
| Legato Capital Management LLC | 10,913 | $26.8K | 0.00% | −17,283−61.3% | Reduced |
| Legal & General Group Plc | 11,284 | $27.8K | 0.00% | +1,992+21.4% | Added |
| New York State Common Retirement Fund | 11,806 | $29.0K | 0.00% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 12,232 | $30.1K | 0.00% | +54+0.4% | Added |
| Mercer Global Advisors Inc | 12,357 | $30.4K | 0.00% | +2,309+23.0% | Added |
| Victory Capital Management Inc | 13,649 | $33.6K | 0.00% | +161+1.2% | Added |
| Canada Pension Plan Investment Board | 15,100 | $37.1K | 0.00% | +15,100 | New |
| Advisor Group Holdings, Inc. | 15,459 | $38.0K | 0.00% | +9,960+181.1% | Added |
| Two Sigma Securities, LLC | 15,726 | $38.7K | 0.00% | +15,726 | New |
| UBS Group AG | 17,849 | $43.9K | 0.00% | −84,658−82.6% | Reduced |
| Thrive Wealth Management, LLC | 18,046 | $44.4K | 0.01% | +765+4.4% | Added |
| ProShare Advisors LLC | 19,155 | $47.1K | 0.00% | −3,397−15.1% | Reduced |
| Quadrature Capital Ltd | 19,492 | $48.0K | 0.00% | +19,492 | New |
| BNP Paribas Arbitrage, SA | 19,822 | $48.8K | 0.00% | −7,517−27.5% | Reduced |
| Qube Research & Technologies Ltd | 20,186 | $49.7K | 0.00% | +20,186 | New |
| BFSG, LLC | 20,815 | $51.2K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 21,609 | $53.2K | 0.00% | +541+2.6% | Added |
| China Universal Asset Management Co., Ltd. | 23,072 | $56.8K | 0.00% | −2,474−9.7% | Reduced |
| Voya Investment Management LLC | 23,613 | $58.1K | 0.00% | +5,423+29.8% | Added |
| Manufacturers Life Insurance Company, The | 24,785 | $61.0K | 0.00% | −4,158−14.4% | Reduced |
| Barclays PLC | 26,469 | $65.1K | 0.00% | −2,291−8.0% | Reduced |
| Intech Investment Management LLC | 27,824 | $68.4K | 0.00% | −1,113−3.8% | Reduced |
| Woodstock Corp | 29,376 | $72.3K | 0.01% | −5,042−14.6% | Reduced |
| LPL Financial LLC | 34,821 | $85.7K | 0.00% | −1,343−3.7% | Reduced |
| Squarepoint Ops LLC | 35,357 | $87.0K | 0.00% | +25,325+252.4% | Added |
| Susquehanna International Group, LLP | 35,691 | $87.8K | 0.00% | −5,938−14.3% | Reduced |
| Prudential Financial Inc | 38,969 | $95.9K | 0.00% | +19,690+102.1% | Added |
| Police & Firemen's Retirement System of New Jersey | 42,217 | $103.9K | 0.00% | +19,649+87.1% | Added |
| Blair William & Co | 43,394 | $106.7K | 0.00% | +178+0.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 50,644 | $124.6K | 0.00% | +531+1.1% | Added |
| Vanguard Global Advisers, LLC | 51,396 | $126.4K | 0.00% | 00.0% | Unchanged |
| Shay Capital LLC | 51,500 | $126.7K | 0.01% | +1,838+3.7% | Added |
| SEI Investments Co | 53,390 | $131.3K | 0.00% | −7,188−11.9% | Reduced |
| Citigroup Inc | 54,667 | $134.5K | 0.00% | +44,915+460.6% | Added |
| Thrivent Financial for Lutherans | 55,342 | $136.0K | 0.00% | +55,342 | New |
| Citadel Advisors LLC | 58,190 | $143.1K | 0.00% | −170,494−74.6% | Reduced |
| Russell Investments Group, Ltd. | 63,783 | $156.9K | 0.00% | +52,983+490.6% | Added |
| MetLife Investment Management | 65,744 | $161.7K | 0.00% | +17,612+36.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 72,357 | $178.0K | 0.00% | +58,221+411.9% | Added |
| XTX Topco Ltd | 73,907 | $181.8K | 0.00% | +29,248+65.5% | Added |
| American Century Companies Inc | 75,083 | $184.7K | 0.00% | +40,267+115.7% | Added |
| Price T Rowe Associates Inc | 80,106 | $198.0K | 0.00% | +3,066+4.0% | Added |
| Alliancebernstein L.P. | 155,992 | $244.9K | 0.00% | +5,400+3.6% | Added |
| Wells Fargo & Company | 100,229 | $246.6K | 0.00% | +50,096+99.9% | Added |
| Deutsche Bank AG | 100,842 | $248.1K | 0.00% | +8,172+8.8% | Added |
| JPMorgan Chase & Co | 107,049 | $275.1K | 0.00% | −13,053−10.9% | Reduced |
| Acadian Asset Management LLC | 132,385 | $323.0K | 0.00% | +132,385 | New |
| Cornerstone Capital, Inc. | 142,286 | $350.0K | 0.03% | 00.0% | Unchanged |
| Walleye Capital LLC | 144,427 | $355.3K | 0.00% | +144,427 | New |
| Bank of America Corp | 149,493 | $367.8K | 0.00% | +27,837+22.9% | Added |
| AQR Capital Management LLC | 157,716 | $388.0K | 0.00% | +42,069+36.4% | Added |
| Arrowstreet Capital, Limited Partnership | 159,621 | $392.7K | 0.00% | +159,621 | New |
| Invesco Ltd. | 161,376 | $397.0K | 0.00% | +26,289+19.5% | Added |
| Palumbo Wealth Management LLC | 161,975 | $398.5K | 0.08% | +161,975 | New |