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MILLENNIUM MANAGEMENT LLC

Position in KPTI — Karyopharm Therapeutics Inc.

CIK 1273087 NEW YORK, NY

Position in KPTI

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$2,986,454
+$643,874 QoQ
Shares Held
305,676
-27.3% QoQ
Ownership
1.35%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#20
of 96 holders
Holding Since
Mar 2020
23 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in KPTI Over Time

Shares Held

Position Value (USD)

Derivatives in KPTI

reported options exposure · as of Jun 30, 2026
CallValue
$0
CallShares
0
PutValue
$351,720
PutShares
36,000

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

MILLENNIUM MANAGEMENT LLC holds $4,631,421,099 across 322 Biotechnology names. KPTI ranks #197 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in KPTI

Export CSV
32 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $351,720 36,000
2026-06-30 $2,986,454 305,676
2026-03-31 $506,870 91,000
2026-03-31 $2,342,580 420,571
2025-06-30 $137,260 31,847
2025-03-31 $207,072 55,367
2024-12-31 $780,383 1,154,414
2024-09-30 $1,041,869 1,255,264
2024-06-30 $1,816,225 2,092,426
2024-03-31 $1,790,677 1,185,879
2023-12-31 $1,327,138 1,534,264
2023-09-30 $1,497,996 1,117,908
2023-09-30 $174,200 130,000
2023-06-30 $2,060,721 1,151,241
2023-03-31 $53,538 13,763
2022-12-31 $1,195,246 351,543
2022-09-30 $1,434,265 262,686
2022-06-30 $2,730,277 605,383
2022-06-30 $451,000 100,000
2022-03-31 $9,233,674 1,252,873
2021-12-31 $9,775,040 1,520,224
2021-06-30 $1,186,934 115,013
2021-03-31 $7,781,791 739,714
2020-12-31 $38,621,067 2,494,901
2020-12-31 $4,623,876 298,700
2020-12-31 $464,400 30,000
2020-09-30 $579,620 39,700
2020-09-30 $2,408,605 164,973
2020-06-30 $4,501,848 237,690
2020-06-30 $3,788,000 200,000
2020-03-31 $960,500 50,000
2020-03-31 $288,150 15,000