KPTI

Karyopharm Therapeutics Inc.

Company with tickers: KPTI

CIK
1503802
CUSIP
48576U205
Shares Outstanding
22,543,316

Short Interest History

Settlement Date Current Position Previous Position Change Days to Cover
2026-03-31 5,457,102 3,592,118 +1,864,984 2.29
2026-03-13 3,592,118 2,971,195 +620,923 5.03
2026-02-27 2,971,195 2,466,525 +504,670 5.76
2026-02-13 2,466,525 1,351,651 +1,114,874 2.89
2026-01-30 1,351,651 743,709 +607,942 3.95
2026-01-15 743,709 353,885 +389,824 1.48
2025-12-31 353,885 299,277 +54,608 1.27
2025-12-15 299,277 341,393 -42,116 1.33
2025-11-28 341,393 716,400 -375,007 2.99
2025-11-14 716,400 648,449 +67,951 7.33
2025-10-31 648,449 1,438,931 -790,482 4.71
2025-10-15 1,438,931 2,256,786 -817,855 3.32
2025-09-30 2,256,786 2,204,008 +52,778 19.64
2025-09-15 2,204,008 2,181,633 +22,375 30.17
2025-08-29 2,181,633 2,144,496 +37,137 15.63
2025-08-15 2,144,496 2,126,753 +17,743 7.91
2025-07-31 2,126,753 2,068,242 +58,511 14.09
2025-07-15 2,068,242 2,029,574 +38,668 7.41
2025-06-30 2,029,574 2,022,280 +7,294 53.34
2025-06-13 2,022,280 2,073,899 -51,619 25.35
2025-05-30 2,073,899 2,088,644 -14,745 28.52
2025-05-15 2,088,644 1,978,892 +109,752 22.25
2025-04-30 1,978,892 1,834,115 +144,777 22.34
2025-04-15 1,834,115 1,310,201 +523,914 12.69