• $42.0M
    Market Cap
  • -69.22%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
AVIDITY PARTNERS MANAGEMENT LP
33.33%
3.1M
+85,996 (+2.76%)
Mar 31, 2022
RTW INVESTMENTS, LLC
32.30%
3.0M
+3.0M (+100.00%)
Dec 31, 2021
AQUILO CAPITAL MANAGEMENT, LLC
26.24%
2.5M
-75,000 (-3.05%)
Mar 31, 2025
ABINGWORTH LLP
22.60%
2.1M
0 (0.00%)
Dec 31, 2022
BLACKROCK INC.
10.87%
1.0M
-2.4M (-231.54%)
Jun 30, 2024
RA CAPITAL MANAGEMENT, L.P.
9.96%
932,624
-250,000 (-26.81%)
Jun 30, 2026
ORBIMED ADVISORS LLC
9.02%
844,787
-183,157 (-21.68%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions773.0M (86.18%)
  • Mutual Funds112.8M (12.58%)
  • Insiders11.2M (1.24%)
  • Other0 (0.00%)

Insider Transactions

  • 1.24% (11.2M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $696,860.85
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Chodakewitz Jeffrey
Award
Jun 21, 2026
$0.00
4,200
$0.00
4,200
Klickstein Lloyd
Award
Jun 21, 2026
$0.00
4,200
$0.00
4,200
Peng Katie
Award
Jun 21, 2026
$0.00
4,200
$0.00
4,200
ORBIMED ADVISORS LLC
Sell
Apr 08, 2026
$204,569.67
32,523
$6.29
0
ORBIMED ADVISORS LLC
Sell
Apr 08, 2026
$263,512.32
40,416
$6.52
0
ORBIMED ADVISORS LLC
Sell
Apr 07, 2026
$191,453.07
29,319
$6.53
34,923
ORBIMED ADVISORS LLC
Sell
Apr 07, 2026
$15,312.00
2,400
$6.38
32,523
Aftab Blake
Chief Scientific Officer
Award
Mar 25, 2026
$0.00
72,555
$0.00
72,555
Healey Don
Chief Technology Officer
Award
Mar 25, 2026
$0.00
43,361
$0.00
43,361
Harvey Brian Nicholas
Chief Financial Officer
Award
Mar 25, 2026
$0.00
43,361
$0.00
43,361
Schor Chen
President & CEO
Award
Mar 25, 2026
$0.00
468,555
$0.00
468,555
Maltzman Julia D.
Chief Medical Officer
Award
Mar 25, 2026
$0.00
72,555
$0.00
72,555
Healey Don
Chief Technology Officer
In Kind
Jan 24, 2026
$4,515.40
535
$8.44
3,452
Harvey Brian Nicholas
Chief Financial Officer
In Kind
Jan 24, 2026
$4,608.24
546
$8.44
5,145
Schor Chen
President & CEO
In Kind
Jan 24, 2026
$14,812.20
1,755
$8.44
6,820
Aftab Blake
Chief Scientific Officer
In Kind
Jan 24, 2026
$4,515.40
535
$8.44
2,981
ORBIMED ADVISORS LLC
Buy
Oct 08, 2025
$1.5M
1.5M
$1.00
9.0M
ORBIMED ADVISORS LLC
Buy
Oct 08, 2025
$3.5M
3.5M
$1.00
4.5M
Chodakewitz Jeffrey
Award
Jun 11, 2025
$0.00
26,400
$0.00
26,400
Sinclair Andrew
Award
Jun 11, 2025
$0.00
26,400
$0.00
26,400
DUBIN STEVE
Award
Jun 11, 2025
$0.00
26,400
$0.00
26,400
Sinclair Andrew
Award
Jun 11, 2025
$0.00
5,900
$0.00
17,700
Chodakewitz Jeffrey
Award
Jun 11, 2025
$0.00
5,900
$0.00
17,700
Klickstein Lloyd
Award
Jun 11, 2025
$0.00
26,400
$0.00
26,400
DUBIN STEVE
Award
Jun 11, 2025
$0.00
5,900
$0.00
22,700
Klickstein Lloyd
Award
Jun 11, 2025
$0.00
5,900
$0.00
108,566
Grissinger Michael
Award
Apr 17, 2025
$0.00
70,200
$0.00
70,200
Harvey Brian Nicholas
Chief Financial Officer
Award
Jan 31, 2025
$0.00
324,040
$0.00
324,040
Healey Don
Chief Technology Officer
Award
Jan 31, 2025
$0.00
275,000
$0.00
275,000
Schor Chen
President & CEO
Award
Jan 31, 2025
$0.00
763,829
$0.00
763,829