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, Q2 2023
Institutional positions in OmniAb, Inc. as of Jun 30, 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
- 21
- −1 vs. Q1 2023
- Shares held
- 5.80M
- +343.4K (+6.3%) vs. Q1 2023
- Total value
- $4.44M
- +$701.7K (+18.8%) vs. Q1 2023
- New holders
- 2
- 4 more added
- Sold out
- 3
- 5 more reduced
Compare with Q1 2023: 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, Q2 2023
Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Walleye Capital LLC | 1,610,120 | $1.24M | 0.02% | +750,777+87.4% | Added |
| Citadel Advisors LLC | 857,980 | $660.6K | 0.00% | −55,354−6.1% | Reduced |
| LMR Partners LLP | 644,600 | $496.3K | 0.01% | +407,000+171.3% | Added |
| Privium Fund Management B.V. | 652,078 | $482.5K | 0.14% | +652,078 | New |
| Governors Lane LP | 500,000 | $385.0K | 0.09% | 00.0% | Unchanged |
| Sculptor Capital LP | 397,780 | $311.3K | 0.01% | +142,227+55.7% | Added |
| Calamos Advisors LLC | 200,000 | $154.0K | 0.00% | 00.0% | Unchanged |
| Taconic Capital Advisors LP | 166,666 | $128.3K | 0.01% | 00.0% | Unchanged |
| HGC Investment Management Inc. | 160,517 | $124.0K | 0.04% | −1,370,101−89.5% | Reduced |
| MMCAP International Inc. SPC | 158,333 | $121.9K | 0.04% | 00.0% | Unchanged |
| Antara Capital LP | 148,499 | $114.3K | 0.14% | 00.0% | Unchanged |
| Context Capital Management, LLC | 68,321 | $53.0K | 0.00% | 00.0% | Unchanged |
| CNH Partners LLC | 50,169 | $38.6K | 0.00% | −9,759−16.3% | Reduced |
| Sea Otter Advisors LLC | 50,000 | $38.5K | 0.03% | +50,000 | New |
| CSS LLC | 29,656 | $22.8K | 0.00% | 00.0% | Unchanged |
| Walleye Trading LLC | 24,312 | $18.7K | 0.00% | 00.0% | Unchanged |
| Flow Traders U.S. LLC | 23,769 | $18.0K | 0.00% | −4,950−17.2% | Reduced |
| Castle Creek Arbitrage, LLC | 20,087 | $15.7K | 0.00% | −4,912−19.6% | Reduced |
| Wolverine Asset Management LLC | 13,163 | $10.1K | 0.00% | +5,450+70.7% | Added |
| Omers Administration Corp | 10,000 | $7.70K | 0.00% | 00.0% | Unchanged |
| Anson Funds Management LP | 11,833 | – | – | 00.0% | Unchanged |
| Highbridge Capital Management LLC | 0 | $0 | 0.00% | – | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −218,768−100.0% | Sold out |