Which hedge funds own XFOR? X4 PHARMACEUTICALS INC, Q2 2026 13F holders
16 of the hedge funds tracked by WhaleCreep disclosed a position in XFOR (X4 PHARMACEUTICALS INC) in their Q2 2026 13F filings, worth $184.4m in total. The largest holder by portfolio weight is Empery Asset Management, LP at 37.4% of its book. 3 managers opened a new position this quarter: Verdad Advisers, LP, Gsa Capital Partners LLP, Squarepoint Ops LLC. 11 exited: Brevan Howard Capital Management LP, Catalyst Funds Management Pty LTD, Diametric Capital, LP.
16tracked managers holding
3opened this quarter
11exited this quarter
Which hedge funds hold XFOR? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Empery Asset Management, LP | Q2 2026 | 37.4% | $32.4m | 6,930,591 | -23% | reduced |
| Saturn V Capital Management LP | Q2 2026 | 4.7% | $32.6m | 6,973,343 | 8% | added |
| Trails Edge Capital Partners, LP | Q2 2026 | 1.9% | $12.0m | 2,571,478 | 0% | held |
| Verdad Advisers, LP | Q2 2026 | 1.6% | $1.6m | 352,093 | – | new |
| Stonepine Capital Management, LLC | Q2 2026 | 0.8% | $1.1m | 224,989 | -33% | reduced |
| Nantahala Capital Management, LLC | Q2 2026 | 0.7% | $11.4m | 2,449,468 | 0% | held |
| Perceptive Advisors LLC | Q2 2026 | 0.6% | $37.0m | 7,933,491 | 18% | added |
| Braidwell LP | Q2 2026 | 0.5% | $13.6m | 2,922,754 | -11% | reduced |
| Deep Track Capital, LP | Q2 2026 | 0.4% | $27.5m | 5,878,757 | -7% | reduced |
| Venrock Adviser, LLC | Q2 2026 | 0.3% | $9.0m | 1,934,253 | 485% | added |
| Affinity Asset Advisors, LLC | Q2 2026 | 0.0% | $677.1k | 145,000 | 0% | held |
| Gsa Capital Partners LLP | Q2 2026 | 0.0% | $356.0k | 76,314 | – | new |
| Woodline Partners LP | Q2 2026 | 0.0% | $4.7m | 1,001,095 | 0% | held |
| Squarepoint Ops LLC | Q2 2026 | 0.0% | $313.3k | 67,078 | – | new |
| Bleichroeder LP | Q2 2026 | 0.0% | $2.8k | 595 | 0% | held |
| Two Sigma Investments, LP | Q2 2026 | 0.0% | $90.7k | 19,426 | 40% | added |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Brevan Howard Capital Management LP | 0.0% | $525.8k |
| Catalyst Funds Management Pty LTD | 0.1% | $195.7k |
| Diametric Capital, LP | 0.1% | $119.7k |
| ExodusPoint Capital Management, LP | 0.0% | $60.7k |
| Hudson Bay Capital Management LP | 0.0% | $207.7k |
| Marshall Wace, LLP | 0.0% | $1.4m |
| Millennium Management LLC | 0.1% | $5.0m |
| Qube Research & Technologies LTD | 0.0% | $904.3k |
| Schonfeld Strategic Advisors LLC | 0.0% | $80.6k |
| Stempoint Capital LP | 3.1% | $3.5m |
| SummitTX Capital, L.P. | 0.0% | $46.3k |
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 |
|---|---|---|
| point72 | Q2 2026 | 0.0% |
| renaissance | Q2 2026 | 0.0% |
How has hedge fund ownership of XFOR changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 18 | $184.7m |
| Q1 2026 | 24 | $171.5m |
| Q4 2025 | 2 | $7.2m |
| Q3 2025 | 2 | $139.7k |
| Q2 2025 | 2 | $74.2k |
| Q1 2025 | 2 | $158.4k |
| Q4 2024 | 1 | $476.8k |
| Q3 2024 | 1 | $418.3k |
| Q2 2024 | 1 | $315.0k |
| Q1 2024 | 2 | $4.3m |
| Q4 2023 | 1 | $545.0k |
| Q3 2023 | 1 | $708.5k |
| Q2 2023 | 1 | $1.3m |
| Q1 2023 | 2 | $574.5k |
| Q4 2022 | 2 | $739.5k |
| Q3 2022 | 2 | $4.8m |
Counts every tracked manager that disclosed XFOR in that quarter's filing, including managers that have since stopped filing.