• $361.5M
    Market Cap
  • 36.93%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)
41.61%
35.6M
+5.0M (+14.04%)
Mar 31, 2026
BLUE OWL CAPITAL HOLDINGS LP
8.32%
7.1M
+296,317 (+4.16%)
Mar 31, 2026
RA CAPITAL MANAGEMENT, L.P.
7.06%
6.0M
0 (0.00%)
Sep 30, 2025
DEERFIELD MANAGEMENT CO
6.81%
5.8M
0 (0.00%)
Dec 31, 2021
BLACKROCK, INC.
4.38%
3.8M
+70,597 (+1.88%)
Mar 31, 2026
OPALEYE MANAGEMENT INC.
4.35%
3.7M
-389,133 (-10.46%)
Sep 30, 2025
MILLENNIUM MANAGEMENT LLC
4.24%
3.6M
-1.6M (-43.61%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions918.2M (92.70%)
  • Mutual Funds63.0M (6.36%)
  • Insiders9.3M (0.94%)
  • Other0 (0.00%)

Insider Transactions

  • 0.94% (9.3M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $207.5M
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Flynn James E
Buy
Feb 27, 2026
$5.4M
1.1M
$5.00
10.6M
Flynn James E
Buy
Feb 27, 2026
$5.4M
1.1M
$5.00
10.6M
Flynn James E
Buy
Feb 27, 2026
$4.2M
831,978
$5.00
8.2M
Flynn James E
Buy
Feb 27, 2026
$10.0M
2.0M
$5.00
6.2M
Celano Michael
Chief Financial Officer
Award
Jan 26, 2026
$0.00
225,622
$0.00
225,622
Clayton Russell
Chief Medical Officer
Award
Jan 26, 2026
$0.00
153,822
$0.00
153,822
BEN-MAIMON CAROLE
President and CEO
Award
Jan 26, 2026
$0.00
600,600
$0.00
600,600
Shankar Gopi
Chief Development Officer
Award
Jan 26, 2026
$0.00
153,822
$0.00
153,822
Celano Michael
Chief Financial Officer
Award
Jan 26, 2026
$0.00
37,604
$0.00
215,785
Clayton Russell
Chief Medical Officer
Award
Jan 26, 2026
$0.00
25,637
$0.00
71,443
BEN-MAIMON CAROLE
President and CEO
Award
Jan 26, 2026
$0.00
100,100
$0.00
368,276
Shankar Gopi
Chief Development Officer
Award
Jan 26, 2026
$0.00
25,637
$0.00
76,443
Flynn James E
Buy
Jul 31, 2025
$10.8M
3.4M
$3.20
9.5M
Flynn James E
Buy
Jul 31, 2025
$10.8M
3.4M
$3.20
9.5M
Flynn James E
Buy
Jul 31, 2025
$8.3M
2.6M
$3.20
7.3M
Celano Michael
Chief Financial Officer
Award
Jan 22, 2025
$0.00
205,111
$0.00
205,111
BEN-MAIMON CAROLE
President and CEO
Award
Jan 22, 2025
$0.00
546,000
$0.00
546,000
Clayton Russell
Chief Medical Officer
Award
Jan 22, 2025
$0.00
139,838
$0.00
139,838
Shankar Gopi
Chief Development Officer
Award
Jan 22, 2025
$0.00
139,838
$0.00
139,838
Celano Michael
Chief Financial Officer
Award
Jan 22, 2025
$0.00
34,185
$0.00
178,181
BEN-MAIMON CAROLE
President and CEO
Award
Jan 22, 2025
$0.00
91,000
$0.00
387,208
Clayton Russell
Chief Medical Officer
Award
Jan 22, 2025
$0.00
23,306
$0.00
45,806
Shankar Gopi
Chief Development Officer
Award
Jan 22, 2025
$0.00
23,306
$0.00
50,806