• $16.9M
    Market Cap
  • -15.24%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
HILLHOUSE INVESTMENT MANAGEMENT, LTD.
27.09%
978,570
+978,570 (+100.00%)
Jun 30, 2019
BLACKROCK INC.
21.07%
761,180
-154 (-0.02%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
20.14%
727,579
-2,257 (-0.31%)
Dec 31, 2024
LOMBARD ODIER ASSET MANAGEMENT (SWITZERLAND) SA
11.28%
407,291
+34,450 (+8.46%)
Dec 31, 2021
N/A
7.34%
265,000
+28,034 (+10.58%)
Mar 31, 2026
AFFINITY ASSET ADVISORS, LLC
6.69%
241,826
-5,468 (-2.26%)
Mar 31, 2026
IKARIAN CAPITAL, LLC
6.60%
238,303
0 (0.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions226.2M (75.29%)
  • Mutual Funds69.1M (23.02%)
  • Insiders5.1M (1.70%)
  • Other0 (0.00%)

Insider Transactions

  • 1.70% (5.1M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $7.7M
    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
ADAR1 Capital Management, LLC
Buy
Jul 29, 2026
$9,050.00
1,810
$5.00
391,666
ADAR1 Capital Management, LLC
Buy
Jul 29, 2026
$8,000.00
1,600
$5.00
393,266
ADAR1 Capital Management, LLC
Buy
Jul 28, 2026
$31,677.44
6,400
$4.95
389,856
ADAR1 Capital Management, LLC
Buy
Jul 27, 2026
$38,985.32
7,798
$5.00
383,456
KABAKOFF DAVID S
Award
Jun 18, 2026
$0.00
3,510
$0.00
3,510
Jones Elaine V
Award
Jun 18, 2026
$0.00
2,340
$0.00
2,340
Houston John G
Award
Jun 18, 2026
$0.00
2,340
$0.00
2,340
Borgman Anne Elizabeth
Award
Jun 18, 2026
$0.00
2,340
$0.00
2,340
Feigal Ellen
Award
Jun 18, 2026
$0.00
2,340
$0.00
2,340
Shaw Kevin G.
Sr VP, General Counsel
Award
Jan 30, 2026
$0.00
8,270
$0.00
8,270
Cobourn Steven P.
Chief Financial Officer
Award
Jan 30, 2026
$0.00
14,670
$0.00
14,670
Mayer Timothy
Chief Operating Officer
Award
Jan 30, 2026
$0.00
14,670
$0.00
14,670
Guha Udayan
Chief Medical Officer
Award
Jan 30, 2026
$0.00
14,670
$0.00
14,670
Richman Michael
President & CEO
Award
Jan 30, 2026
$0.00
38,190
$0.00
38,190
Kundu Sourav
Sr VP, Dev. & Mfg.
Award
Jan 30, 2026
$0.00
8,270
$0.00
8,270
Houston John G
Award
Jun 20, 2025
$0.00
18,700
$0.00
18,700
KABAKOFF DAVID S
Award
Jun 20, 2025
$0.00
28,050
$0.00
28,050
Kundu Sourav
Sr VP, Dev. & Mfg.
Award
Jan 31, 2025
$0.00
66,125
$0.00
66,125
Cobourn Steven P.
Chief Financial Officer
Award
Jan 31, 2025
$0.00
117,375
$0.00
117,375
Mayer Timothy
Chief Operating Officer
Award
Jan 31, 2025
$0.00
117,375
$0.00
117,375
Richman Michael
President & CEO
Award
Jan 31, 2025
$0.00
305,500
$0.00
305,500
Langermann Sol
Chief Scientific Officer
Award
Jan 31, 2025
$0.00
117,375
$0.00
117,375
Shaw Kevin G.
Sr VP, General Counsel
Award
Jan 31, 2025
$0.00
66,125
$0.00
66,125