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 2025
Institutional positions in OmniAb, Inc. as of Sep 30, 2025. 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
- 140
- −2 vs. Q2 2025
- Shares held
- 63.0M
- +8.06M (+14.7%) vs. Q2 2025
- Total value
- $100.5M
- +$5.21M (+5.5%) vs. Q2 2025
- New holders
- 16
- 33 more added
- Sold out
- 18
- 52 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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 2025
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 131 | $0 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 1 | $2 | 0.00% | −3,706−100.0% | Reduced |
| Farther Finance Advisors, LLC | 1 | $2 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 4 | $6 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 4 | $6 | 0.00% | +4 | New |
| Mather Group, LLC. | 21 | $34 | 0.00% | +21 | New |
| SBI Securities Co., Ltd. | 25 | $40 | 0.00% | −101−80.2% | Reduced |
| Umb Bank N A | 29 | $46 | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 48 | $77 | 0.00% | +48 | New |
| Farmers & Merchants Investments Inc | 53 | $85 | 0.00% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 58 | $92 | 0.00% | −708−92.4% | Reduced |
| Comerica Bank | 127 | $203 | 0.00% | 00.0% | Unchanged |
| Scarborough Advisors, LLC | 161 | $258 | 0.00% | 00.0% | Unchanged |
| Central Trust Co | 171 | $274 | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 189 | $302 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 285 | $456 | 0.00% | +285 | New |
| CIBC Private Wealth Group, LLC | 294 | $470 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 318 | $509 | 0.00% | −1,239−79.6% | Reduced |
| Parkside Financial Bank & Trust | 344 | $551 | 0.00% | +344 | New |
| Signaturefd, LLC | 361 | $578 | 0.00% | 00.0% | Unchanged |
| St Germain D J Co Inc | 367 | $587 | 0.00% | 00.0% | Unchanged |
| Dynamic Wealth Strategies, LLC | 411 | $658 | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 550 | $880 | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 475 | $1.00K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 665 | $1.06K | 0.00% | −460−40.9% | Reduced |
| Cheviot Value Management, LLC | 980 | $1.52K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 980 | $1.57K | 0.00% | +980 | New |
| Optiver Holding B.V. | 1,256 | $2.01K | 0.00% | +1,256 | New |
| Larson Financial Group LLC | 1,470 | $2.35K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 2,112 | $3.38K | 0.00% | +1,646+353.2% | Added |
| Allworth Financial LP | 2,127 | $3.40K | 0.00% | 00.0% | Unchanged |
| Redwood Park Advisors LLC | 2,184 | $3.50K | 0.00% | 00.0% | Unchanged |
| Jackson, Grant Investment Advisers, Inc. | 2,450 | $3.92K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 2,587 | $4.14K | 0.00% | −512−16.5% | Reduced |
| Amalgamated Bank | 3,170 | $5.00K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 3,334 | $5.00K | 0.00% | +3,134+1,567.0% | Added |
| Smartleaf Asset Management LLC | 3,389 | $5.46K | 0.00% | +344+11.3% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 4,185 | $6.70K | 0.00% | −37,453−89.9% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 4,744 | $7.59K | 0.00% | +18+0.4% | Added |
| Nisa Investment Advisors, LLC | 5,113 | $8.18K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 5,567 | $8.91K | 0.00% | +3,163+131.6% | Added |
| CWM, LLC | 6,055 | $10.0K | 0.00% | −1,482−19.7% | Reduced |
| Spire Wealth Management | 6,510 | $10.4K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 6,692 | $10.7K | 0.00% | +5+0.1% | Added |
| Steigerwald, Gordon & Koch Inc. | 7,673 | $12.3K | 0.00% | +7,673 | New |
| Tower Research Capital LLC (TRC) | 8,343 | $13.3K | 0.00% | −7,988−48.9% | Reduced |
| Legal & General Group Plc | 9,557 | $15.3K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 9,586 | $15.3K | 0.00% | +8,827+1,163.0% | Added |
| Ameritas Investment Partners, Inc. | 9,652 | $15.4K | 0.00% | 00.0% | Unchanged |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 10,000 | $16.0K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 10,071 | $16.1K | 0.00% | −1,698−14.4% | Reduced |
| Court Place Advisors, LLC | 10,533 | $16.9K | 0.01% | −5,390−33.9% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 10,704 | $17.1K | 0.00% | −447−4.0% | Reduced |
| Citigroup Inc | 11,118 | $17.8K | 0.00% | −28,801−72.1% | Reduced |
| Cubist Systematic Strategies, LLC | 11,310 | $18.1K | 0.00% | −60,835−84.3% | Reduced |
| New York State Common Retirement Fund | 11,806 | $18.9K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 11,772 | $19.0K | 0.00% | −2,348−16.6% | Reduced |
| RSM US Wealth Management LLC | 12,380 | $19.8K | 0.00% | +589+5.0% | Added |
| Prudential Financial Inc | 12,543 | $20.1K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 13,435 | $21.0K | 0.00% | +878+7.0% | Added |
| Advisor Group Holdings, Inc. | 13,522 | $21.7K | 0.00% | −725−5.1% | Reduced |
| Susquehanna International Group, LLP | 14,925 | $23.9K | 0.00% | −106,619−87.7% | Reduced |
| Thrive Wealth Management, LLC | 17,281 | $27.6K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 17,446 | $27.7K | 0.00% | +5,188+42.3% | Added |
| LPL Financial LLC | 18,800 | $30.1K | 0.00% | −891−4.5% | Reduced |
| Voya Investment Management LLC | 19,496 | $31.2K | 0.00% | −11,076−36.2% | Reduced |
| BBR Partners, LLC | 20,000 | $32.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 20,363 | $32.6K | 0.00% | −4,775−19.0% | Reduced |
| BFSG, LLC | 20,435 | $32.7K | 0.00% | −2,800−12.1% | Reduced |
| HighTower Advisors, LLC | 21,382 | $34.2K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 21,508 | $34.4K | 0.00% | −3,063−12.5% | Reduced |
| BNP Paribas Arbitrage, SA | 21,721 | $34.8K | 0.00% | +10,438+92.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 22,568 | $36.1K | 0.00% | +3,954+21.2% | Added |
| AQR Capital Management LLC | 23,087 | $36.9K | 0.00% | +296+1.3% | Added |
| NJ State Employees Deferred Compensation Plan | 24,500 | $39.2K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 24,636 | $39.4K | 0.00% | +24,636 | New |
| CI Private Wealth, LLC | 27,289 | $43.7K | 0.00% | −2,964−9.8% | Reduced |
| Legato Capital Management LLC | 28,189 | $45.1K | 0.00% | 00.0% | Unchanged |
| Cerity Partners LLC | 29,562 | $47.3K | 0.00% | +6,950+30.7% | Added |
| Squarepoint Ops LLC | 35,431 | $56.7K | 0.00% | +18,890+114.2% | Added |
| UBS Group AG | 39,664 | $63.5K | 0.00% | −98,798−71.4% | Reduced |
| JustInvest LLC | 41,694 | $66.7K | 0.00% | −3,471−7.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 43,448 | $69.5K | 0.00% | −12,180−21.9% | Reduced |
| Blair William & Co | 45,171 | $72.3K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 48,030 | $76.8K | 0.00% | −23,001−32.4% | Reduced |
| Intech Investment Management LLC | 50,565 | $80.9K | 0.00% | −7,659−13.2% | Reduced |
| Brevan Howard Capital Management LP | 52,270 | $83.6K | 0.00% | −1,509−2.8% | Reduced |
| Price T Rowe Associates Inc | 53,190 | $86.0K | 0.00% | +5,574+11.7% | Added |
| MetLife Investment Management | 56,660 | $90.7K | 0.00% | −7,075−11.1% | Reduced |
| Connors Investor Services Inc | 61,941 | $99.1K | 0.01% | −59−0.1% | Reduced |
| HRT Financial LP | 70,215 | $112.0K | 0.00% | +70,215 | New |
| Deutsche Bank AG | 77,997 | $124.8K | 0.00% | −89,554−53.4% | Reduced |
| Wells Fargo & Company | 80,596 | $129.0K | 0.00% | +6,955+9.4% | Added |
| SEI Investments Co | 81,045 | $129.7K | 0.00% | +19,919+32.6% | Added |
| Public Employees Retirement System of Ohio | 96,361 | $154.2K | 0.00% | 00.0% | Unchanged |
| Cornerstone Capital, Inc. | 109,211 | $174.7K | 0.02% | −54,551−33.3% | Reduced |
| Invesco Ltd. | 124,051 | $198.5K | 0.00% | +14,438+13.2% | Added |
| Two Sigma Advisers, LP | 126,030 | $201.6K | 0.00% | +18,100+16.8% | Added |
| Barclays PLC | 143,710 | $229.9K | 0.00% | −37,967−20.9% | Reduced |
| Alliancebernstein L.P. | 150,592 | $240.9K | 0.00% | 00.0% | Unchanged |