Karyopharm TherapeuticsKPTI

13F holders, Q2 2026 (June 30)
1holders
0new positions
0sold out
$9.77avg. 13F price*

At the end of Q2 2026, 1 institutions reported holding Karyopharm Therapeutics Inc. (KPTI) in their 13F filings, unchanged from Q1 2026. 0 opened new positions and 0 sold out. The largest holder was Birchview Capital, LP ($420K).

Company
Karyopharm Therapeutics Inc.
CUSIP
48576U106
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 114Q1 2024Q2 2024: 114Q2 2024Q3 2024: 91Q3 2024Q4 2024: 87Q4 2024Q1 2025: 2Q1 2025Q2 2025: 1Q2 2025Q3 2025: 1Q3 2025Q1 2026: 1Q1 2026Q2 2026: 1Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions0$0
Exits0$0

All 13F filers, Q1 2026 → Q2 2026: 41,000 shares sold, net −41,000 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 1 holders

Birchview Capital, LP 0.20% Reduce -48.8% 42,952 $420K

"% of holder's portfolio" is KPTI's weight in each manager's 13F, not the share of Karyopharm Therapeutics Inc. the manager owns.