# OMNIAB INC (OABIW)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/OABIW/

- Reporting holders: 13
- Reported value: $249.9K
- Shares held by institutions: 2,824,794 of 145,390,398 outstanding
- Held through calls: 4.4%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [LMR Partners LLP](https://holderbook.com/funds/1578621-lmr-partners-llp/) | $79.6K | 897,392 | 0.0% | 14 |
| [ARISTEIA CAPITAL, L.L.C.](https://holderbook.com/funds/1080171-aristeia-capital-l-l-c/) | $53.5K | 679,919 | 0.0% | 11 |
| [Hudson Bay Capital Management LP](https://holderbook.com/funds/1393825-hudson-bay-capital-management-lp/) | $41.3K | 465,229 | 0.0% | 8 |
| [Anson Funds Management LP](https://holderbook.com/funds/1491072-anson-funds-management-lp/) | $29.1K | 11,833 | 0.0% | 15 |
| [Sculptor Capital LP](https://holderbook.com/funds/1054587-sculptor-capital-lp/) | $23.1K | 293,802 | 0.0% | 15 |
| [Calamos Advisors LLC](https://holderbook.com/funds/1316507-calamos-advisors-llc/) | $16.7K | 200,000 | 0.0% | 15 |
| [MMCAP International Inc. SPC](https://holderbook.com/funds/1304857-mmcap-international-inc-spc/) | $14.0K | 158,333 | 0.0% | 15 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $10.9K | 0 | 0.0% | 15 |
| [CSS LLC/IL](https://holderbook.com/funds/1103646-css-llc-il/) | $4.8K | 54,656 | 0.0% | 15 |
| [WOLVERINE ASSET MANAGEMENT LLC](https://holderbook.com/funds/1279891-wolverine-asset-management-llc/) | $2.5K | 27,626 | 0.0% | 11 |
| [Saba Capital Management, L.P.](https://holderbook.com/funds/1510281-saba-capital-management-l-p/) | $1.4K | 18,000 | 0.0% | 8 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $1.1K | 19,737 | 0.0% | 6 |
| [OMERS ADMINISTRATION Corp](https://holderbook.com/funds/1053321-omers-administration-corp/) | $751 | 10,000 | 0.0% | 15 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $9 | 100 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 13 | $249.9K |
| Q1 2026 | 12 | $256.7K |
| Q4 2025 | 12 | $339.8K |
| Q3 2025 | 13 | $491.6K |
| Q2 2025 | 12 | $580.0K |
| Q1 2025 | 13 | $1.1M |
| Q4 2024 | 12 | $1.1M |
| Q3 2024 | 15 | $1.7M |
| Q2 2024 | 16 | $2.4M |
| Q1 2024 | 16 | $3.8M |
| Q4 2023 | 18 | $17.5M |
| Q3 2023 | 17 | $6.1M |