KPTI
KARYOPHARM THER (KPTI)
NASDAQ
$9.67+$0.01 (+0.16%)
Price as of Jun 23, 2026 6:46 PM EDT
  • $204.0M
    Market Cap
  • 107.53%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK INC.
18.40%
4.2M
-5.3M (-126.57%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
16.63%
3.8M
+130,497 (+3.46%)
Dec 31, 2024
DELPHI MANAGEMENT PARTNERS VIII, L.L.C.
9.99%
2.3M
0 (0.00%)
Sep 30, 2021
ALKEON CAPITAL MANAGEMENT LLC
8.66%
2.0M
0 (0.00%)
Dec 31, 2021
COMMODORE CAPITAL LP
8.60%
1.9M
+1.9M (+100.00%)
Mar 31, 2026
RA CAPITAL MANAGEMENT, L.P.
8.46%
1.9M
+1.9M (+100.00%)
Mar 31, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
7.97%
1.8M
+1.4M (+76.68%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions996.3M (70.34%)
  • Mutual Funds404.8M (28.58%)
  • Insiders15.2M (1.07%)
  • Other0 (0.00%)

Insider Transactions

  • 1.07% (15.2M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 7
    Number of InsiderSelling (last 12 months)
  • $8.1M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Mano Michael
EVP, CLO&Secretary
Sell
Mar 02, 2026
$33,177.90
3,526
$9.41
93,964
Poulton Stuart
EVP, Chief Development Officer
Sell
Mar 02, 2026
$47,997.86
5,101
$9.41
94,328
Paulson Richard A.
President and CEO
Sell
Mar 02, 2026
$116,310.83
12,361
$9.41
267,030
Cheng Sohanya Roshan
EVP & Chief Commercial Officer
Sell
Mar 02, 2026
$43,321.34
4,604
$9.41
107,317
Poulton Stuart
EVP, Chief Development Officer
Sell
Feb 17, 2026
$3,262.14
378
$8.63
99,429
Macomber Lori
EVP, CFO & Treasurer
Sell
Feb 03, 2026
$10,243.80
1,626
$6.30
85,105
Poulton Stuart
EVP, Chief Development Officer
Award
Jan 31, 2026
$0.00
32,415
$0.00
99,807
Mano Michael
EVP, CLO&Secretary
Award
Jan 31, 2026
$0.00
32,415
$0.00
97,490
Rangwala Reshma
EVP & Chief Medical Officer
Award
Jan 31, 2026
$0.00
32,415
$0.00
61,805
Cheng Sohanya Roshan
EVP & Chief Commercial Officer
Award
Jan 31, 2026
$0.00
32,415
$0.00
111,921
Macomber Lori
EVP, CFO & Treasurer
Award
Jan 31, 2026
$0.00
32,415
$0.00
86,731
Abate Kristin
Chief Accounting Officer
Sell
Jan 21, 2026
$1,579.40
265
$5.96
22,580
Paulson Richard A.
President and CEO
Award
Oct 15, 2025
$0.00
114,285
$0.00
198,331
Mano Michael
SVP, General Counsel&Secretary
Award
Oct 15, 2025
$0.00
43,650
$0.00
65,075
Macomber Lori
EVP, CFO & Treasurer
Award
Oct 15, 2025
$0.00
43,650
$0.00
54,316
Cheng Sohanya Roshan
EVP & Chief Commercial Officer
Award
Oct 15, 2025
$0.00
43,650
$0.00
79,506
Abate Kristin
Chief Accounting Officer
Award
Oct 15, 2025
$0.00
12,799
$0.00
22,845
Poulton Stuart
EVP, Chief Development Officer
Award
Oct 15, 2025
$0.00
39,682
$0.00
67,392
Abate Kristin
Chief Accounting Officer
Sell
Oct 01, 2025
$2,279.15
362
$6.30
10,046
Paulson Richard A.
President and CEO
Sell
Sep 15, 2025
$8,082.51
1,257
$6.43
84,046
Poulton Stuart
EVP, Chief Development Officer
Sell
Sep 15, 2025
$2,578.43
401
$6.43
27,710
Mano Michael
SVP, General Counsel&Secretary
Sell
Sep 15, 2025
$1,504.62
234
$6.43
21,425
Rangwala Reshma
EVP & Chief Medical Officer
Sell
Sep 15, 2025
$2,623.44
408
$6.43
29,390
Cheng Sohanya Roshan
EVP & Chief Commercial Officer
Sell
Sep 15, 2025
$2,089.75
325
$6.43
35,856
Abate Kristin
Chief Accounting Officer
Sell
Sep 15, 2025
$147.89
23
$6.43
10,408
Poulton Stuart
EVP, Chief Development Officer
Award
Sep 12, 2025
$0.00
888
$0.00
28,111
Mano Michael
SVP, General Counsel&Secretary
Award
Sep 12, 2025
$0.00
612
$0.00
21,659
Rangwala Reshma
EVP & Chief Medical Officer
Award
Sep 12, 2025
$0.00
945
$0.00
29,798
Cheng Sohanya Roshan
EVP & Chief Commercial Officer
Award
Sep 12, 2025
$0.00
945
$0.00
36,181
Paulson Richard A.
President and CEO
Award
Sep 12, 2025
$0.00
2,800
$0.00
85,303