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
Q4 2025 vs. Q3 2025
How the institutions holding OmniAb, Inc. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 140 | 4 | 129 | −7 |
| Shares | 63.0M | 526.0K | 57.3M | −5.15M (−8.2%) |
| Value | $100.5M | $841.6K | $105.8M | +$6.08M (+6.1%) |
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (14)
Institutions that held OmniAb, Inc. at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Nomura Holdings Inc | 154,951 | $286.7K | 0.00% |
| Boothbay Fund Management, LLC | 47,596 | $88.1K | 0.00% |
| Acadian Asset Management LLC | 47,625 | $88.0K | 0.00% |
| Manufacturers Life Insurance Company, The | 28,943 | $53.5K | 0.00% |
| Algert Global LLC | 20,498 | $37.9K | 0.00% |
| Connor, Clark & Lunn Investment Management Ltd. | 18,945 | $35.0K | 0.00% |
| State of Wyoming | 12,243 | $22.6K | 0.00% |
| XTX Topco Ltd | 12,022 | $22.2K | 0.00% |
| MAI Capital Management | 6,736 | $12.5K | 0.00% |
| Comprehensive Financial Planning, Inc. | 323 | $597 | 0.00% |
| Northwestern Mutual Wealth Management Co | 29 | $54 | 0.00% |
| American Capital Advisory, LLC | 19 | $36 | 0.00% |
| True Wealth Design, LLC | 6 | $12 | 0.00% |
| Rothschild Investment LLC | 3 | $6 | 0.00% |
Sold out (21)
Institutions that held OmniAb, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Tang Capital Management LLC | 300,000 | $480.0K |
| Gsa Capital Partners LLP | 262,371 | $420.0K |
| Graham Capital Management, L.P. | 167,172 | $267.5K |
| HRT Financial LP | 70,215 | $112.0K |
| Cerity Partners LLC | 29,562 | $47.3K |
| CI Private Wealth, LLC | 27,289 | $43.7K |
| Pinnacle Wealth Planning Services, Inc. | 24,636 | $39.4K |
| NJ State Employees Deferred Compensation Plan | 24,500 | $39.2K |
| Quadrature Capital Ltd | 17,446 | $27.7K |
| Dynamic Technology Lab Private Ltd | 13,435 | $21.0K |
| Prudential Financial Inc | 12,543 | $20.1K |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 10,000 | $16.0K |
| Fortitude Family Office, LLC | 2,112 | $3.38K |
| Rockefeller Capital Management L.P. | 980 | $1.57K |
| Parkside Financial Bank & Trust | 344 | $551 |
| The PNC Financial Services Group, Inc. | 318 | $509 |
| Wolverine Asset Management LLC | 58 | $92 |
| Transamerica Financial Advisors, Inc. | 48 | $77 |
| Umb Bank N A | 29 | $46 |
| Mather Group, LLC. | 21 | $34 |
| IFP Advisors, Inc | 4 | $6 |
Not filed for Q4 2025 yet (4)
Institutions that held OmniAb, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Kent Lake PR LLC | 500,000 | $800.0K |
| Cubist Systematic Strategies, LLC | 11,310 | $18.1K |
| Court Place Advisors, LLC | 10,533 | $16.9K |
| Point72 Asia (Singapore) Pte. Ltd. | 4,185 | $6.70K |