KARYOPHARM THERAPEUTICS INC

Historical 13F Holders

Symbol
KPTI
CUSIP
48576U205
All holders as of
Q2 2026
Type
Equity
Class
COM NEW
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 48576U205 since 12/18/2024, largest first.

Filer % of Class Filed
RA Capital Management, L.P. 13G/A
9.9% 8/14/2026
Event 6/30/2026
Affinity Asset Advisors, LLC 13G/A
8.6% 5/14/2026
Event 3/31/2026
Adage Capital Management, L.P. 13G/A
6.8% 8/12/2026
Event 6/30/2026
T. Rowe Price Investment Management, Inc. 13G/A 6.6% 6/5/2026
Event 5/31/2026
Goldman Sachs Group Inc 13G/A
6.3% 8/11/2026
Event 6/30/2026
Integrated Core Strategies (US) LLC 13G
5.7% 9/4/2026
Event 8/31/2026
BlackRock, Inc. 13G 5.6% 7/28/2026
Event 6/30/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (8)
J. Wood Capital Advisors LLC 13G/A
4.99% 11/3/2025
Event 10/14/2025
Highbridge Capital Management LLC 13G/A 4.9% 11/14/2025
Event 9/30/2025
JPMorgan Chase & Co 13G/A 4.9% 10/17/2025
Event 9/30/2025
Vanguard Group Inc 13G/A 4.7% 10/30/2025
Event 9/30/2025
Acorn Bioventures, L.P. 13G/A
4.5% 10/8/2026
Event 10/2/2026
Opaleye Management Inc. 13G/A
2.7% 5/11/2026
Event 3/31/2026
Commodore Capital LP 13G/A
0% 8/14/2026
Event 6/30/2026
Ikarian Capital, LLC 13G
0% 5/15/2026
Event 3/31/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 2 931 $1.14 k
2026 Q2 111 21.8 M $213 M
2026 Q1 101 18.0 M $102 M
2025 Q4 77 10.1 M $73.9 M
2025 Q3 59 2.95 M $19.3 M
2025 Q2 54 4.39 M $18.9 M
2025 Q1 53 3.32 M $12.4 M