KPTI
KARYOPHARM THER (KPTI)
NASDAQ
$9.02+$0.02 (+0.17%)
Price as of Jun 03, 2026 6:03 PM EDT
  • $206.2M
    Market Cap
  • 117.18%
    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 (70.35%)
  • Mutual Funds404.7M (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)
  • $10.4M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Greene Barry E
Award
May 21, 2026
$0.00
15,508
$0.00
16,415
PAKIANATHAN DEEPIKA
Award
May 21, 2026
$0.00
15,508
$0.00
15,508
Schor Chen
Award
May 21, 2026
$0.00
15,508
$0.00
15,508
Oliger Christy J.
Award
May 21, 2026
$0.00
15,508
$0.00
15,508
Rangwala Reshma
EVP & Chief Medical Officer
Sell
May 14, 2026
$3,876.00
408
$9.50
56,829
Mano Michael
EVP, CLO&Secretary
Sell
May 14, 2026
$2,527.00
266
$9.50
94,398
Poulton Stuart
EVP, Chief Development Officer
Sell
May 14, 2026
$3,828.50
403
$9.50
94,821
Mano Michael
EVP, CLO&Secretary
Award
May 13, 2026
$0.00
700
$0.00
94,664
Poulton Stuart
EVP, Chief Development Officer
Award
May 13, 2026
$0.00
896
$0.00
95,224
Rangwala Reshma
EVP & Chief Medical Officer
Award
May 13, 2026
$0.00
947
$0.00
57,237
Poulton Stuart
EVP, Chief Development Officer
Sell
Mar 02, 2026
$47,997.86
5,101
$9.41
94,328
Mano Michael
EVP, CLO&Secretary
Sell
Mar 02, 2026
$33,177.90
3,526
$9.41
93,964
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