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 2025
Institutional positions in OmniAb, Inc. as of Mar 31, 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
- 153
- −10 vs. Q4 2024
- Shares held
- 63.4M
- +42.7K (+0.1%) vs. Q4 2024
- Total value
- $152.0M
- −$71.9M (−32.1%) vs. Q4 2024
- New holders
- 16
- 43 more added
- Sold out
- 26
- 54 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Simplex Trading, LLC | 231 | $0 | 0.00% | −1,100−82.6% | Reduced |
| Covestor Ltd | 94 | $0 | 0.00% | +14+17.5% | Added |
| Parallel Advisors, LLC | 4 | $10 | 0.00% | 00.0% | Unchanged |
| Parkworth Wealth Management, Inc. | 4 | $10 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 5 | $11 | 0.00% | −236−97.9% | Reduced |
| SBI Securities Co., Ltd. | 17 | $41 | 0.00% | +3+21.4% | Added |
| Mather Group, LLC. | 21 | $50 | 0.00% | 00.0% | Unchanged |
| Umb Bank N A | 29 | $70 | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 34 | $82 | 0.00% | −1,774−98.1% | Reduced |
| Rothschild Investment LLC | 40 | $96 | 0.00% | −60−60.0% | Reduced |
| True Wealth Design, LLC | 42 | $101 | 0.00% | +42 | New |
| Farmers & Merchants Investments Inc | 53 | $127 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 0 | $142 | 0.00% | 0 | Unchanged |
| Salem Investment Counselors Inc | 60 | $144 | 0.00% | 00.0% | Unchanged |
| CBIZ Investment Advisory Services, LLC | 78 | $187 | 0.00% | 00.0% | Unchanged |
| Central Trust Co | 171 | $411 | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 189 | $454 | 0.00% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 249 | $461 | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 361 | $866 | 0.00% | 00.0% | Unchanged |
| St Germain D J Co Inc | 367 | $881 | 0.00% | 00.0% | Unchanged |
| Dynamic Wealth Strategies, LLC | 411 | $986 | 0.00% | +411 | New |
| Daiwa Securities Group Inc. | 475 | $1.00K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 471 | $1.13K | 0.00% | 00.0% | Unchanged |
| Coldstream Capital Management Inc | 474 | $1.14K | 0.00% | +474 | New |
| North Star Investment Management Corp. | 550 | $1.32K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 784 | $1.49K | 0.00% | −58,800−98.7% | Reduced |
| Cheviot Value Management, LLC | 980 | $1.65K | 0.00% | +980 | New |
| South State Corp. | 689 | $1.65K | 0.00% | +689 | New |
| Wolverine Asset Management LLC | 766 | $1.84K | 0.00% | +766 | New |
| Northwestern Mutual Wealth Management Co | 1,141 | $2.74K | 0.00% | +245+27.3% | Added |
| CWM, LLC | 1,108 | $3.00K | 0.00% | +850+329.5% | Added |
| Larson Financial Group LLC | 1,470 | $3.53K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,475 | $3.54K | 0.00% | −1,147−43.7% | Reduced |
| Allworth Financial LP | 2,127 | $3.87K | 0.00% | 00.0% | Unchanged |
| Rise Advisors, LLC | 1,725 | $4.14K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 1,924 | $4.62K | 0.00% | −18−0.9% | Reduced |
| Geneos Wealth Management Inc. | 2,169 | $5.21K | 0.00% | +2,169 | New |
| Redwood Park Advisors LLC | 2,184 | $5.24K | 0.00% | 00.0% | Unchanged |
| Jackson, Grant Investment Advisers, Inc. | 2,450 | $5.88K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 2,554 | $6.13K | 0.00% | −323−11.2% | Reduced |
| GF Fund Management Co. Ltd. | 3,099 | $7.44K | 0.00% | +558+22.0% | Added |
| Lazard Asset Management LLC | 3,693 | $8.00K | 0.00% | −390−9.6% | Reduced |
| Amalgamated Bank | 3,170 | $8.00K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 3,619 | $8.76K | 0.00% | −414−10.3% | Reduced |
| Federated Hermes, Inc. | 4,157 | $9.98K | 0.00% | −5,121−55.2% | Reduced |
| Advisor Group Holdings, Inc. | 4,531 | $10.9K | 0.00% | −47−1.0% | Reduced |
| California State Teachers Retirement System | 6,687 | $16.0K | 0.00% | −71,266−91.4% | Reduced |
| Tower Research Capital LLC (TRC) | 6,765 | $16.2K | 0.00% | +5,284+356.8% | Added |
| Spire Wealth Management | 6,780 | $16.3K | 0.00% | +500+8.0% | Added |
| Royal Bank of Canada | 7,256 | $18.0K | 0.00% | −5,551−43.3% | Reduced |
| Legal & General Group Plc | 8,315 | $20.0K | 0.00% | −67,376−89.0% | Reduced |
| Ameritas Investment Partners, Inc. | 9,652 | $23.2K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 131,671 | $23.6K | 0.00% | −55,074−29.5% | Reduced |
| BNP Paribas Arbitrage, SA | 9,958 | $23.9K | 0.00% | −7,591−43.3% | Reduced |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 10,000 | $24.2K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 10,271 | $24.7K | 0.00% | +10,271 | New |
| Cerity Partners LLC | 10,693 | $25.7K | 0.00% | +10,693 | New |
| HSBC Holdings PLC | 11,020 | $26.3K | 0.00% | +285+2.7% | Added |
| New York State Common Retirement Fund | 11,806 | $28.3K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 11,814 | $28.4K | 0.00% | −299−2.5% | Reduced |
| Public Employees Retirement Association of Colorado | 14,264 | $34.0K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 14,315 | $34.0K | 0.00% | +14,315 | New |
| PDT Partners, LLC | 14,709 | $35.3K | 0.00% | −41,538−73.8% | Reduced |
| Squarepoint Ops LLC | 14,839 | $35.6K | 0.00% | −24,425−62.2% | Reduced |
| Thrive Wealth Management, LLC | 16,081 | $38.6K | 0.01% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 16,276 | $39.1K | 0.00% | +11,986+279.4% | Added |
| Atom Investors LP | 16,367 | $39.3K | 0.00% | −53−0.3% | Reduced |
| CWC Advisors, LLC. | 16,801 | $40.3K | 0.02% | +4,055+31.8% | Added |
| Captrust Financial Advisors | 16,837 | $40.4K | 0.00% | +242+1.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 18,614 | $44.7K | 0.00% | 00.0% | Unchanged |
| BBR Partners, LLC | 20,000 | $48.0K | 0.00% | 00.0% | Unchanged |
| Court Place Advisors, LLC | 20,004 | $48.0K | 0.02% | −3,552−15.1% | Reduced |
| LPL Financial LLC | 20,019 | $48.0K | 0.00% | +461+2.4% | Added |
| Sherbrooke Park Advisers LLC | 20,388 | $48.9K | 0.02% | +3,162+18.4% | Added |
| SEI Investments Co | 20,402 | $49.0K | 0.00% | −23,084−53.1% | Reduced |
| CIBC World Markets Corp | 21,157 | $50.8K | 0.00% | +21,157 | New |
| HighTower Advisors, LLC | 21,882 | $52.5K | 0.00% | +1,065+5.1% | Added |
| BFSG, LLC | 22,200 | $53.3K | 0.01% | +1,720+8.4% | Added |
| China Universal Asset Management Co., Ltd. | 24,273 | $58.3K | 0.01% | −1,386−5.4% | Reduced |
| NJ State Employees Deferred Compensation Plan | 24,500 | $58.8K | 0.01% | 00.0% | Unchanged |
| Mesirow Financial Investment Management, Inc. | 30,764 | $59.4K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 26,100 | $62.6K | 0.00% | −5,624−17.7% | Reduced |
| Renaissance Technologies LLC | 26,600 | $63.8K | 0.00% | +26,600 | New |
| State Board of Administration of Florida Retirement System | 26,753 | $64.2K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 27,763 | $66.6K | 0.00% | −3,493−11.2% | Reduced |
| Legato Capital Management LLC | 28,719 | $68.9K | 0.01% | −1,565−5.2% | Reduced |
| Ameriprise Financial Inc | 29,310 | $70.3K | 0.00% | −9,079−23.7% | Reduced |
| SG Americas Securities, LLC | 31,553 | $76.0K | 0.00% | −9,056−22.3% | Reduced |
| HRT Financial LP | 34,647 | $83.0K | 0.00% | +10,215+41.8% | Added |
| MetLife Investment Management | 36,627 | $87.9K | 0.00% | −11,798−24.4% | Reduced |
| Manufacturers Life Insurance Company, The | 37,185 | $89.2K | 0.00% | +312+0.8% | Added |
| Henshaw Capital LLC | 37,507 | $90.0K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 39,317 | $95.0K | 0.00% | +1,100+2.9% | Added |
| Atria Investments LLC | 43,563 | $104.6K | 0.00% | +7,063+19.4% | Added |
| Gallagher Fiduciary Advisors, LLC | 43,696 | $104.9K | 0.00% | +6,944+18.9% | Added |
| Blair William & Co | 45,171 | $108.4K | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 46,712 | $112.1K | 0.00% | +830+1.8% | Added |
| Connors Investor Services Inc | 49,611 | $119.1K | 0.01% | +20,000+67.5% | Added |
| XTX Topco Ltd | 53,484 | $128.4K | 0.01% | +1,694+3.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 55,168 | $132.4K | 0.00% | +2,371+4.5% | Added |