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BlackRock, Inc.
BlackRock, Inc.
KPTI
6 quarters
Position history for BlackRock, Inc.'s holdings in Karyopharm Therapeutics Inc.
Yes. BlackRock holds 1,418,799 shares of KPTI (Karyopharm Therapeutics), worth $13.9M, as of its Q2 2026 13F filing. It increased the position from 244,899 shares in Q1 2026. BlackRock has held KPTI in every 13F on record since Q1 2025, 6 quarterly filings.
Current Value
$13.9M
Current Shares
1.4M
Total Value Change
+$13M
Total Shares Change
+1.2M
Quarter-by-Quarter History
Other major holders of KPTI: RA Capital Management, L.P., Adage Capital Partners GP, L.L.C., Goldman Sachs Group Inc.