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TWO SIGMA INVESTMENTS, LP

Position in KPTI — Karyopharm Therapeutics Inc.

CIK 1179392 NEW YORK, NY

Position in KPTI

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$6,792,729
+$5,950,367 QoQ
Shares Held
695,264
+359.7% QoQ
Ownership
3.07%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#10
of 96 holders
Holding Since
Mar 2020
21 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in KPTI Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

TWO SIGMA INVESTMENTS, LP holds $7,283,390,440 across 343 Biotechnology names. KPTI ranks #101 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in KPTI

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21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,792,729 695,264
2026-03-31 $842,362 151,232
2025-12-31 $1,095,116 148,793
2024-12-31 $93,143 137,786
2024-09-30 $71,321 85,930
2024-06-30 $12,035 13,866
2024-03-31 $20,673 13,691
2023-12-31 $123,067 142,274
2023-06-30 $622,123 347,555
2022-12-31 $902,047 265,308
2022-09-30 $1,246,709 228,335
2022-06-30 $4,617,121 1,023,752
2022-03-31 $8,239,107 1,117,925
2021-12-31 $6,359,469 989,031
2021-09-30 $6,382,695 1,096,683
2021-06-30 $8,731,937 846,118
2021-03-31 $15,702,593 1,492,642
2020-12-31 $622,481 40,212
2020-09-30 $18,799,719 1,287,652
2020-06-30 $4,464,801 235,734
2020-03-31 $8,406,718 437,622