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. Every filing for 48576U205 since 12/18/2024, newest first.

Filer % of Class Filed
Acorn Bioventures, L.P. 13G/A Amendment 2
4.5% 10/8/2026
Event 10/2/2026
Acorn Bioventures, L.P. 13G/A Amendment 1
5.7% 9/25/2026
Event 9/22/2026
Acorn Bioventures, L.P. 13G/A Amendment 1
5.7% 9/25/2026
Event 9/22/2026
Integrated Core Strategies (US) LLC 13G
5.7% 9/4/2026
Event 8/31/2026
Commodore Capital LP 13G/A Amendment 1
0% 8/14/2026
Event 6/30/2026
RA Capital Management, L.P. 13G/A Amendment 1
9.9% 8/14/2026
Event 6/30/2026
Adage Capital Management, L.P. 13G/A Amendment 1
6.8% 8/12/2026
Event 6/30/2026
Goldman Sachs Group Inc 13G/A Amendment 1
6.3% 8/11/2026
Event 6/30/2026
BlackRock, Inc. 13G 5.6% 7/28/2026
Event 6/30/2026
T. Rowe Price Investment Management, Inc. 13G/A Amendment 3 6.6% 6/5/2026
Event 5/31/2026
Acorn Bioventures, L.P. 13G
6.7% 5/15/2026
Event 5/13/2026
Ikarian Capital, LLC 13G
0% 5/15/2026
Event 3/31/2026
Affinity Asset Advisors, LLC 13G/A Amendment 2
8.6% 5/14/2026
Event 3/31/2026
Adage Capital Management, L.P. 13G
8.1% 5/13/2026
Event 3/31/2026
Goldman Sachs Group Inc 13G
5.1% 5/12/2026
Event 3/31/2026
Opaleye Management Inc. 13G/A Amendment 1
2.7% 5/11/2026
Event 3/31/2026
Integrated Core Strategies (US) LLC 13G/A Amendment 1
2.3% 4/13/2026
Event 3/31/2026
Commodore Capital LP 13G
9.9% 4/2/2026
Event 3/26/2026
RA Capital Management, L.P. 13G
9.9% 4/2/2026
Event 3/26/2026
T. Rowe Price Investment Management, Inc. 13G/A Amendment 2 11.8% 2/17/2026
Event 12/31/2025
Adage Capital Management, L.P. 13G/A Amendment 1
2.4% 2/12/2026
Event 12/31/2025
Integrated Core Strategies (US) LLC 13G
5.5% 2/10/2026
Event 2/4/2026
Affinity Asset Advisors, LLC 13G/A Amendment 1
8.6% 1/29/2026
Event 1/22/2026
Highbridge Capital Management LLC 13G/A Amendment 1 4.9% 11/14/2025
Event 9/30/2025
T. Rowe Price Investment Management, Inc. 13G/A Amendment 1 13.8% 11/7/2025
Event 10/31/2025
J. Wood Capital Advisors LLC 13G/A Amendment 1
4.99% 11/3/2025
Event 10/14/2025
Vanguard Group Inc 13G/A Amendment 3 4.7% 10/30/2025
Event 9/30/2025
Opaleye Management Inc. 13G
9.5% 10/17/2025
Event 10/10/2025
JPMorgan Chase & Co 13G/A Amendment 1 4.9% 10/17/2025
Event 9/30/2025
T. Rowe Price Investment Management, Inc. 13G 8.4% 8/14/2025
Event 6/30/2025
JPMorgan Chase & Co 13G 5.2% 7/16/2025
Event 6/30/2025
Affinity Asset Advisors, LLC 13G
7.8% 4/10/2025
Event 4/3/2025

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