OmniAb, Inc.
OABIW- 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; 13 institutions reported holding it in 13F filings for Q2 2026, worth $268.0K in total; no superinvestor holds it.
Other share classesOABI
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
- 13
- +1 vs. Q1 2026
- Shares held
- 2.84M
- −13.3K (−0.5%) vs. Q1 2026
- Total value
- $268.0K
- −$15.9K (−5.6%) vs. Q1 2026
- New holders
- 1
- 1 more added
- Sold out
- 0
- 2 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OABIW 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 | 13 | $268.0K |
| Q1 2026 | 12 | $284.0K |
| Q4 2025 | 12 | $346.9K |
| Q3 2025 | 12 | $470.7K |
| Q2 2025 | 12 | $579.3K |
| Q1 2025 | 12 | $1.03M |
| Q4 2024 | 11 | $1.10M |
| Q3 2024 | 15 | $5.53M |
| Q2 2024 | 15 | $7.42M |
| Q1 2024 | 16 | $11.7M |
| Q4 2023 | 17 | $17.4M |
| Q3 2023 | 16 | $6.01M |
| Q2 2023 | 21 | $4.50M |
| Q1 2023 | 22 | $5.48M |
| Q4 2022 | 22 | $3.62M |
| Q3 2022 | 0 | $0 |
| 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 |
|---|---|---|---|---|---|
| LMR Partners LLP | 897,392 | $79.6K | 0.00% | 00.0% | Unchanged |
| Aristeia Capital LLC | 679,919 | $53.5K | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 465,229 | $41.3K | 0.00% | 00.0% | Unchanged |
| Anson Funds Management LP | 11,833 | $29.1K | 0.00% | −11,833−50.0% | Reduced |
| Sculptor Capital LP | 293,802 | $23.1K | 0.00% | 00.0% | Unchanged |
| Calamos Advisors LLC | 200,000 | $16.7K | 0.00% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 158,333 | $14.0K | 0.00% | 00.0% | Unchanged |
| CSS LLC | 54,656 | $4.85K | 0.00% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 27,626 | $2.45K | 0.00% | +301+1.1% | Added |
| Saba Capital Management, L.P. | 18,000 | $1.42K | 0.00% | −1,900−9.5% | Reduced |
| UBS Group AG | 19,737 | $1.15K | 0.00% | 00.0% | Unchanged |
| Omers Administration Corp | 10,000 | $751 | 0.00% | 00.0% | Unchanged |
| Clear Street Group Inc. | 100 | $9 | 0.00% | +100 | New |