Which hedge funds own OABI? OMNIAB INC, Q2 2026 13F holders
15 of the hedge funds tracked by WhaleCreep disclosed a position in OABI (OMNIAB INC) in their Q2 2026 13F filings, worth $44.2m in total. The largest holder by portfolio weight is Whitefort Capital Management, LP at 6.2% of its book. 4 managers opened a new position this quarter: Walleye Capital LLC, Arrowstreet Capital, Limited Partnership, Quarry LP, Qube Research & Technologies LTD. 2 exited: Nine Masts Capital LTD, Stonepine Capital Management, LLC.
15tracked managers holding
4opened this quarter
2exited this quarter
Which hedge funds hold OABI? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Whitefort Capital Management, LP | Q2 2026 | 6.2% | $25.2m | 10,248,658 | -28% | reduced |
| Tls Advisors LLC | Q2 2026 | 1.6% | $542.9k | 220,685 | -12% | reduced |
| Cadian Capital Management, LP | Q2 2026 | 0.8% | $10.4m | 4,211,821 | 1% | added |
| Arbiter Partners Capital Management LLC | Q2 2026 | 0.3% | $473.8k | 192,585 | 0% | held |
| Adar1 Capital Management, LLC | Q2 2026 | 0.1% | $2.3m | 947,412 | 34% | added |
| Walleye Capital LLC | Q2 2026 | 0.0% | $355.3k | 144,427 | – | new |
| Two Sigma Investments, LP | Q2 2026 | 0.0% | $1.6m | 657,432 | 28% | added |
| D. E. Shaw & Co., Inc. | Q2 2026 | 0.0% | $1.4m | 559,404 | 47% | added |
| Millennium Management LLC | Q2 2026 | 0.0% | $864.3k | 474,159 | -9% | reduced |
| Arrowstreet Capital, Limited Partnership | Q2 2026 | 0.0% | $392.7k | 159,621 | – | new |
| Squarepoint Ops LLC | Q2 2026 | 0.0% | $87.0k | 35,357 | 252% | added |
| Aqr Capital Management LLC | Q2 2026 | 0.0% | $388.0k | 157,716 | 36% | added |
| Quarry LP | Q2 2026 | 0.0% | $780 | 317 | – | new |
| Citadel Advisors LLC | Q2 2026 | 0.0% | $143.1k | 58,190 | -75% | reduced |
| Qube Research & Technologies LTD | Q2 2026 | 0.0% | $49.7k | 20,186 | – | new |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Nine Masts Capital LTD | 0.0% | $45.6k |
| Stonepine Capital Management, LLC | 5.0% | $257.6k |
Held in a manager's last filing on record
These managers have not filed for the latest quarter; their last disclosure is dated.
| Manager | Last filing | Weight |
|---|---|---|
| renaissance | Q2 2026 | 0.0% |
How has hedge fund ownership of OABI changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 16 | $45.7m |
| Q1 2026 | 15 | $34.0m |
| Q4 2025 | 2 | $977.6k |
| Q3 2025 | 2 | $5.4m |
| Q2 2025 | 1 | $1.2m |
| Q1 2025 | 2 | $6.9m |
| Q4 2024 | 1 | $10.1m |
| Q3 2024 | 2 | $12.5m |
| Q2 2024 | 2 | $11.8m |
| Q1 2024 | 2 | $16.6m |
| Q4 2023 | 2 | $17.8m |
| Q3 2023 | 2 | $15.2m |
| Q2 2023 | 2 | $4.2m |
| Q1 2023 | 1 | $339 |
| Q4 2022 | 2 | $8.1m |
Counts every tracked manager that disclosed OABI in that quarter's filing, including managers that have since stopped filing.