Institutional Ownership
Karyopharm Therapeutics Inc
CUSIP 48576U106COMKPTIQ1 2026
13D / 13G Filings
52
Schedule 13D/13G on record
Beneficial Filers
18
Distinct reporting persons
Largest Stake
11.8%
Max % of class reported
Institutional Holders
1
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
52 filings · latest Feb 12, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 12, 2025 | Adage Capital Management, L.P. | 13G | 5.2% | 6.55M | SEC |
| 2 | Nov 14, 2024 | Avidity Partners Management LP | 13G/A | 3.7% | 4.74M | SEC |
| 3 | Nov 12, 2024 | Vanguard Group Inc | 13G/A | 6.1% | 7.65M | SEC |
| 4 | Nov 4, 2024 | Vanguard Group Inc | 13G/A | 6.1% | 7.65M | SEC |
| 5 | Oct 25, 2024 | Highbridge Capital Management LLC | 13G | 7.2% | 9.74M | SEC |
| 6 | Jul 8, 2024 | Blackrock Inc. | 13G/A | 3.5% | 4.17M | SEC |
| 7 | May 23, 2024 | J. Wood Capital Advisors LLC | 13G | 5.5% | 6.87M | SEC |
| 8 | Feb 14, 2024 | Palo Alto Investors LP | 13G/A | 4.5% | 5.10M | SEC |
| 9 | Feb 14, 2024 | Avidity Partners Management LP | 13G/A | 9.5% | 11.19M | SEC |
| 10 | Feb 13, 2024 | Vanguard Group Inc | 13G | 7.6% | 8.71M | SEC |
42 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Karyopharm Therapeutics Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Birchview Capital, LP | 84.0K | $467.6K |