Which hedge funds own PHAT? PHATHOM PHARMACEUTICALS INC, Q2 2026 13F holders
9 of the hedge funds tracked by WhaleCreep disclosed a position in PHAT (PHATHOM PHARMACEUTICALS INC) in their Q2 2026 13F filings, worth $66.8m in total. The largest holder by portfolio weight is Avidity Partners at 0.3% of its book. 1 manager opened a new position this quarter: Point72 Asset Management LP. 1 exited: Tudor Investment.
9tracked managers holding
1opened this quarter
1exited this quarter
Which hedge funds hold PHAT? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Avidity Partners | Q2 2026 | 0.3% | $2.2m | 200,000 | -20% | reduced |
| Millennium Management | Q2 2026 | 0.0% | $36.6m | 3,375,834 | -16% | reduced |
| Point72 Asset Management LP | Q2 2026 | 0.0% | $11.1m | 1,022,193 | – | new |
| Woodline Partners | Q2 2026 | 0.0% | $4.0m | 369,052 | 0% | held |
| Marshall Wace | Q2 2026 | 0.0% | $7.2m | 666,090 | -23% | reduced |
| Renaissance Technologies LLC | Q2 2026 | 0.0% | $2.5m | 226,400 | -26% | reduced |
| Brevan Howard Capital Management | Q2 2026 | 0.0% | $158.4k | 14,599 | -85% | reduced |
| Citadel Advisors | Q2 2026 | 0.0% | $2.0m | 184,901 | -52% | reduced |
| D. E. Shaw & Co | Q2 2026 | 0.0% | $1.0m | 95,660 | -28% | reduced |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Tudor Investment | 0.0% | $424.7k |
How has hedge fund ownership of PHAT changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 9 | $66.8m |
| Q1 2026 | 9 | $71.7m |
| Q4 2025 | 4 | $17.0m |
| Q3 2025 | 4 | $13.3m |
| Q2 2025 | 3 | $17.8m |
| Q1 2025 | 2 | $9.7m |
| Q4 2024 | 3 | $19.7m |
| Q3 2024 | 5 | $90.1m |
| Q2 2024 | 3 | $26.0m |
| Q1 2024 | 3 | $25.7m |
| Q4 2023 | 4 | $27.2m |
| Q3 2023 | 3 | $25.3m |
| Q2 2023 | 4 | $38.6m |
| Q1 2023 | 2 | $14.7m |
| Q4 2022 | 1 | $21.3m |
| Q3 2022 | 1 | $21.1m |
Counts every tracked manager that disclosed PHAT in that quarter's filing, including managers that have since stopped filing.