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
Q3 2025 vs. Q2 2025
How the institutions holding OmniAb, Inc. changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Of which not filed for Q3 2025 | Q3 2025 | Change |
|---|---|---|---|---|
| Holders | 144 | 2 | 140 | −2 |
| Shares | 55.0M | 123.4K | 63.0M | +8.06M (+14.7%) |
| Value | $95.5M | $214.6K | $100.5M | +$5.21M (+5.5%) |
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (16)
Institutions that held OmniAb, Inc. at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Cadian Capital Management, LP | 3,675,568 | $5.88M | 0.35% |
| Woodline Partners LP | 2,857,142 | $4.57M | 0.02% |
| Stonepine Capital Management, LLC | 2,142,857 | $3.43M | 2.79% |
| D. E. Shaw & Co., Inc. | 186,281 | $298.0K | 0.00% |
| Graham Capital Management, L.P. | 167,172 | $267.5K | 0.01% |
| Arbiter Partners Capital Management LLC | 160,529 | $256.8K | 0.18% |
| HRT Financial LP | 70,215 | $112.0K | 0.00% |
| Pinnacle Wealth Planning Services, Inc. | 24,636 | $39.4K | 0.00% |
| Steigerwald, Gordon & Koch Inc. | 7,673 | $12.3K | 0.00% |
| Optiver Holding B.V. | 1,256 | $2.01K | 0.00% |
| Rockefeller Capital Management L.P. | 980 | $1.57K | 0.00% |
| Parkside Financial Bank & Trust | 344 | $551 | 0.00% |
| SRS Capital Advisors, Inc. | 285 | $456 | 0.00% |
| Transamerica Financial Advisors, Inc. | 48 | $77 | 0.00% |
| Mather Group, LLC. | 21 | $34 | 0.00% |
| IFP Advisors, Inc | 4 | $6 | 0.00% |
Sold out (18)
Institutions that held OmniAb, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Royce & Associates LP | 867,080 | $1.51M |
| Murchinson Ltd. | 502,810 | $874.9K |
| Marshall Wace, LLP | 359,665 | $625.8K |
| Boothbay Fund Management, LLC | 188,554 | $328.1K |
| XTX Topco Ltd | 137,171 | $238.7K |
| Mirabella Financial Services LLP | 100,381 | $174.7K |
| Manufacturers Life Insurance Company, The | 44,809 | $78.0K |
| State Board of Administration of Florida Retirement System | 26,753 | $46.5K |
| US Bancorp | 20,794 | $36.2K |
| CWC Advisors, LLC. | 17,261 | $30.0K |
| Atom Investors LP | 12,854 | $22.4K |
| Colony Group, LLC | 12,342 | $21.5K |
| Raymond James Financial Inc | 7,027 | $12.2K |
| Point72 (DIFC) Ltd | 2,741 | $4.77K |
| Geneos Wealth Management Inc. | 773 | $1.34K |
| CBIZ Investment Advisory Services, LLC | 78 | $136 |
| National Bank of Canada | 42 | $73 |
| South State Corp. | 1 | $2 |
Not filed for Q3 2025 yet (2)
Institutions that held OmniAb, Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Northeast Financial Consultants Inc | 110,996 | $193.1K |
| CIBC World Markets Corp | 12,359 | $21.5K |