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 |
|---|---|---|---|---|---|
| Parallel Advisors, LLC | 1,854 | $4.56K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 1,601 | $3.94K | 0.00% | +1,593+19,912.5% | Added |
| California State Teachers Retirement System | 1,515 | $3.73K | 0.00% | −4,728−75.7% | Reduced |
| Larson Financial Group LLC | 1,444 | $3.55K | 0.00% | 00.0% | Unchanged |
| Cheviot Value Management, LLC | 980 | $2.41K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 848 | $2.09K | 0.00% | −96−10.2% | Reduced |
| North Star Investment Management Corp. | 550 | $1.35K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 521 | $1.28K | 0.00% | +11+2.2% | Added |
| Nisa Investment Advisors, LLC | 520 | $1.28K | 0.00% | +30+6.1% | Added |
| Dynamic Wealth Strategies, LLC | 411 | $1.01K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 361 | $888 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 347 | $854 | 0.00% | +347 | New |
| Comprehensive Financial Planning, Inc. | 323 | $795 | 0.00% | 00.0% | Unchanged |
| Quarry LP | 317 | $780 | 0.00% | +317 | New |
| C M Bidwell & Associates Ltd | 233 | $573 | 0.00% | +233 | New |
| Farther Finance Advisors, LLC | 191 | $479 | 0.00% | +160+516.1% | Added |
| IFG Advisory, LLC | 190 | $468 | 0.00% | +190 | New |
| Central Trust Co | 171 | $421 | 0.00% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 170 | $418 | 0.00% | +170 | New |
| Rothschild Investment LLC | 154 | $379 | 0.00% | +66+75.0% | Added |
| GAMMA Investing LLC | 128 | $315 | 0.00% | −804−86.3% | Reduced |
| Fifth Third Bancorp | 127 | $312 | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 127 | $312 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 87 | $214 | 0.00% | −8−8.4% | Reduced |
| True Wealth Design, LLC | 54 | $133 | 0.00% | +38+237.5% | Added |
| Wealth Enhancement Trust Services, Inc. | 35 | $86 | 0.00% | +35 | New |
| Clearstead Advisors, LLC | 29 | $72 | 0.00% | +29 | New |
| SJS Investment Consulting Inc. | 28 | $69 | 0.00% | +25+833.3% | Added |
| Mather Group, LLC. | 21 | $52 | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 7 | $18 | 0.00% | +7 | New |
| Caitong International Asset Management Co., Ltd | 5 | $12 | 0.00% | +4+400.0% | Added |
| Stonepine Capital Management, LLC | 0 | $0 | 0.00% | −164,045−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −42,966−100.0% | Sold out |
| Nine Masts Capital Ltd | 0 | $0 | 0.00% | −29,062−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −27,551−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −24,694−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −16,238−100.0% | Sold out |
| Diversified Enterprises, LLC | 0 | $0 | 0.00% | −11,311−100.0% | Sold out |
| Abel Hall, LLC | 0 | $0 | 0.00% | −10,704−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −10,651−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −4,821−100.0% | Sold out |
| Essential Partners LLC | 0 | $0 | 0.00% | −1,060−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −283−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −58−100.0% | Sold out |
| Farmers & Merchants Investments Inc | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| Transamerica Financial Advisors, Inc. | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |