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 $238.9K in total; no superinvestor holds it.
Other share classesOABI
13F holders, Q1 2023
Institutional positions in OmniAb, Inc. as of Mar 31, 2023. 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
- 22
- 0 vs. Q4 2022
- Shares held
- 5.45M
- +329.4K (+6.4%) vs. Q4 2022
- Total value
- $3.74M
- +$623.6K (+20.0%) vs. Q4 2022
- New holders
- 1
- 2 more added
- Sold out
- 1
- 4 more reduced
Compare with Q4 2022: 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 | $238.9K |
| Q1 2026 | 12 | $246.8K |
| Q4 2025 | 12 | $325.0K |
| Q3 2025 | 12 | $451.8K |
| Q2 2025 | 12 | $558.7K |
| Q1 2025 | 12 | $1.01M |
| Q4 2024 | 11 | $1.06M |
| Q3 2024 | 15 | $5.48M |
| Q2 2024 | 15 | $7.38M |
| Q1 2024 | 16 | $11.6M |
| Q4 2023 | 17 | $17.3M |
| Q3 2023 | 16 | $5.95M |
| Q2 2023 | 21 | $4.44M |
| Q1 2023 | 22 | $3.74M |
| Q4 2022 | 22 | $3.12M |
| 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, Q1 2023
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| LMR Partners LLP | 237,600 | $874.4K | 0.02% | +237,600 | New |
| HGC Investment Management Inc. | 1,530,618 | $846.0K | 0.17% | 00.0% | Unchanged |
| Citadel Advisors LLC | 913,334 | $504.3K | 0.00% | −48,020−5.0% | Reduced |
| Walleye Capital LLC | 859,343 | $474.5K | 0.01% | +300,171+53.7% | Added |
| Governors Lane LP | 500,000 | $276.1K | 0.04% | 00.0% | Unchanged |
| Sculptor Capital LP | 255,553 | $144.5K | 0.00% | 00.0% | Unchanged |
| Calamos Advisors LLC | 200,000 | $110.4K | 0.00% | 00.0% | Unchanged |
| Highbridge Capital Management LLC | – | $107.0K | 0.01% | – | – |
| Taconic Capital Advisors LP | 166,666 | $92.0K | 0.01% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 158,333 | $87.4K | 0.02% | 00.0% | Unchanged |
| Antara Capital LP | 148,499 | $82.0K | 0.02% | 00.0% | Unchanged |
| Context Capital Management, LLC | 68,321 | $38.0K | 0.00% | 00.0% | Unchanged |
| CNH Partners LLC | 59,928 | $33.1K | 0.00% | −13,087−17.9% | Reduced |
| CSS LLC | 29,656 | $16.4K | 0.00% | 00.0% | Unchanged |
| Flow Traders U.S. LLC | 28,719 | $16.0K | 0.00% | 00.0% | Unchanged |
| Castle Creek Arbitrage, LLC | 24,999 | $14.1K | 0.00% | 00.0% | Unchanged |
| Walleye Trading LLC | 24,312 | $13.4K | 0.00% | 00.0% | Unchanged |
| Omers Administration Corp | 10,000 | $5.52K | 0.00% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 7,713 | $4.26K | 0.00% | −1,295−14.4% | Reduced |
| UBS Group AG | 250 | $138 | 0.00% | −68−21.4% | Reduced |
| Anson Funds Management LP | 11,833 | – | – | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 218,768 | – | – | +91,675+72.1% | Added |
| Aequim Alternative Investments LP | 0 | $0 | 0.00% | −237,600−100.0% | Sold out |