Which hedge funds own KPTI? KARYOPHARM THERAPEUTICS INC, Q2 2026 13F holders
8 of the hedge funds tracked by WhaleCreep disclosed a position in KPTI (KARYOPHARM THERAPEUTICS INC) in their Q2 2026 13F filings, worth $39.5m in total. The largest holder by portfolio weight is Avidity Partners at 1.4% of its book. 1 manager opened a new position this quarter: Citadel Advisors.
8tracked managers holding
1opened this quarter
0exited this quarter
Which hedge funds hold KPTI? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Avidity Partners | Q2 2026 | 1.4% | $9.0m | 924,487 | 99% | added |
| RA Capital Management | Q2 2026 | 0.2% | $18.7m | 1,917,354 | 0% | held |
| Davidson Kempner Capital Management | Q2 2026 | 0.0% | $2.9m | 300,000 | 0% | held |
| Brevan Howard Capital Management | Q2 2026 | 0.0% | $3.0m | 309,817 | 46% | added |
| Millennium Management | Q2 2026 | 0.0% | $3.0m | 305,676 | -27% | reduced |
| Renaissance Technologies LLC | Q2 2026 | 0.0% | $1.1m | 108,214 | 3% | added |
| Marshall Wace | Q2 2026 | 0.0% | $1.3m | 128,451 | 0% | held |
| Citadel Advisors | Q2 2026 | 0.0% | $508.7k | 52,069 | – | new |
How has hedge fund ownership of KPTI changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 8 | $39.5m |
| Q1 2026 | 7 | $19.8m |
| Q4 2025 | 3 | $1.5m |
| Q3 2025 | 2 | $1.3m |
| Q2 2025 | 2 | $863.6k |
| Q1 2025 | 2 | $732.2k |
| Q4 2024 | 3 | $2.3m |
| Q3 2024 | 3 | $2.8m |
| Q2 2024 | 3 | $2.5m |
| Q1 2024 | 3 | $14.1m |
| Q4 2023 | 3 | $9.0m |
| Q3 2023 | 4 | $12.3m |
| Q2 2023 | 3 | $17.8m |
| Q1 2023 | 5 | $59.1m |
| Q4 2022 | 7 | $73.5m |
| Q3 2022 | 6 | $32.5m |
Counts every tracked manager that disclosed KPTI in that quarter's filing, including managers that have since stopped filing.