• $85.7M
    Market Cap
  • 31.58%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
RA CAPITAL MANAGEMENT, L.P.
28.57%
12.2M
+3.9M (+31.80%)
Jun 30, 2026
SANDS CAPITAL VENTURES, LLC
5.35%
2.3M
+166,666 (+7.28%)
Jun 30, 2026
ACADIAN ASSET MANAGEMENT LLC
2.72%
1.2M
+319,146 (+27.39%)
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
2.22%
952,008
+229,973 (+24.16%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
2.21%
945,496
+158,514 (+16.77%)
Dec 31, 2024
WELLINGTON MANAGEMENT GROUP LLP
2.07%
888,130
0 (0.00%)
Jun 30, 2026
BLACKROCK INC.
1.79%
767,020
+23,119 (+3.01%)
Jun 30, 2024

Current Ownership Distribution

  • Institutions138.6M (83.32%)
  • Mutual Funds16.3M (9.80%)
  • Insiders11.5M (6.88%)
  • Other0 (0.00%)

Insider Transactions

  • 6.88% (11.5M)
    Current InsiderOwnership (%, shares)
  • 3
    Number of InsiderBuying (last 12 months)
  • $3.6M
    Amount of InsiderBuying (last 12 months)
  • 4
    Number of InsiderSelling (last 12 months)
  • $10.6M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Levin Michaela
Chief Business Officer
Award
Aug 31, 2026
$0.00
130,000
$0.00
130,000
Levin Michaela
Chief Business Officer
Award
Aug 31, 2026
$0.00
30,000
$0.00
30,000
Blume-Jensen Peter
President and CEO
Sell
Aug 25, 2026
$30,969.03
14,036
$2.21
2.2M
Peterson Katharine
Chief Accounting Officer
Sell
Aug 18, 2026
$203.01
101
$2.01
18,033
Devroe Eric
Chief Operating Officer
Sell
Aug 18, 2026
$1,214.04
604
$2.01
146,349
Blume-Jensen Peter
President and CEO
Sell
Aug 18, 2026
$2,470.29
1,229
$2.01
2.2M
Blume-Jensen Peter
President and CEO
Sell
Aug 18, 2026
$972.84
484
$2.01
385,859
Levy Adam D.
Chief Financial Officer
Sell
Aug 04, 2026
$1,792.94
1,142
$1.57
66,008
BAUM CHARLES M
Award
Jun 17, 2026
$0.00
20,275
$0.00
20,275
DiRocco Derek
Award
Jun 17, 2026
$0.00
20,275
$0.00
20,275
TOMSICEK MICHAEL JOHN
Award
Jun 17, 2026
$0.00
20,275
$0.00
20,275
RA CAPITAL MANAGEMENT, LLC
Award
Jun 17, 2026
$0.00
20,275
$0.00
20,275
Shacham Sharon
Award
Jun 17, 2026
$0.00
20,275
$0.00
20,275
Palani Santhosh
Award
Jun 17, 2026
$0.00
20,275
$0.00
20,275
TOMSICEK MICHAEL JOHN
Award
May 18, 2026
$0.00
9,366
$0.00
9,366
Palani Santhosh
Award
May 18, 2026
$0.00
9,366
$0.00
9,366
DiRocco Derek
Award
May 18, 2026
$0.00
9,366
$0.00
9,366
Magovcevic-Liebisch Ivana
Award
May 18, 2026
$0.00
9,366
$0.00
9,366
Shacham Sharon
Award
May 18, 2026
$0.00
9,366
$0.00
9,366
Levy Adam D.
Chief Financial Officer
Award
Mar 01, 2026
$0.00
132,925
$0.00
132,925
Devroe Eric
Chief Operating Officer
Award
Mar 01, 2026
$0.00
186,728
$0.00
186,728
Miller Mary
Chief Legal Officer
Award
Mar 01, 2026
$0.00
129,760
$0.00
129,760
Peterson Katharine
Chief Accounting Officer
Award
Mar 01, 2026
$0.00
31,900
$0.00
31,900
Mirza Mansoor Raza
Chief Medical Officer
Award
Mar 01, 2026
$0.00
174,068
$0.00
174,068
Gamelin Erick
Chief Development Officer
In Kind
Feb 14, 2026
$767.73
471
$1.63
14,812
Miller Mary
Chief Legal Officer
In Kind
Feb 14, 2026
$353.71
217
$1.63
33,679
Devroe Eric
Chief Operating Officer
In Kind
Feb 14, 2026
$1,178.49
723
$1.63
74,585
Blume-Jensen Peter
President and CEO
In Kind
Feb 14, 2026
$2,122.26
1,302
$1.63
2.1M
Peterson Katharine
Chief Accounting Officer
In Kind
Feb 14, 2026
$189.08
116
$1.63
4,006
Blume-Jensen Peter
President and CEO
In Kind
Feb 14, 2026
$943.77
579
$1.63
314,127