• $68.5M
    Market Cap
  • 35.34%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
RA CAPITAL MANAGEMENT, L.P.
26.43%
8.3M
0 (0.00%)
Mar 31, 2026
SANDS CAPITAL VENTURES, LLC
6.73%
2.1M
0 (0.00%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
3.00%
945,496
+158,514 (+16.77%)
Dec 31, 2024
WELLINGTON MANAGEMENT GROUP LLP
2.81%
888,130
0 (0.00%)
Mar 31, 2026
ACADIAN ASSET MANAGEMENT LLC
2.68%
845,973
+264,765 (+31.30%)
Mar 31, 2026
BLACKROCK INC.
2.43%
767,020
+23,119 (+3.01%)
Jun 30, 2024
RENAISSANCE TECHNOLOGIES LLC
2.40%
758,440
+124,271 (+16.39%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions117.2M (82.54%)
  • Mutual Funds13.4M (9.46%)
  • Insiders11.4M (8.00%)
  • Other0 (0.00%)

Insider Transactions

  • 8.00% (11.4M)
    Current InsiderOwnership (%, shares)
  • 3
    Number of InsiderBuying (last 12 months)
  • $3.6M
    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
Blume-Jensen Peter
President and CEO
In Kind
May 21, 2026
$24,574.91
13,729
$1.79
2.2M
Devroe Eric
Chief Operating Officer
In Kind
May 14, 2026
$1,176.96
613
$1.92
73,972
Gamelin Erick
Chief Development Officer
In Kind
May 14, 2026
$775.68
404
$1.92
14,408
Blume-Jensen Peter
President and CEO
In Kind
May 14, 2026
$2,405.76
1,253
$1.92
2.1M
Miller Mary
Chief Legal Officer
In Kind
May 14, 2026
$353.28
184
$1.92
32,937
Blume-Jensen Peter
President and CEO
In Kind
May 14, 2026
$940.80
490
$1.92
313,637
Peterson Katharine
Chief Accounting Officer
In Kind
May 14, 2026
$190.08
99
$1.92
3,907
Miller Mary
Chief Legal Officer
Award
Mar 01, 2026
$0.00
129,760
$0.00
129,760
Devroe Eric
Chief Operating Officer
Award
Mar 01, 2026
$0.00
186,728
$0.00
186,728
Levy Adam D.
Chief Financial Officer
Award
Mar 01, 2026
$0.00
132,925
$0.00
132,925
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
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
Gamelin Erick
Chief Development Officer
In Kind
Feb 14, 2026
$767.73
471
$1.63
14,812
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
Miller Mary
Chief Legal Officer
In Kind
Feb 14, 2026
$353.71
217
$1.63
33,679
Miller Mary
Chief Legal Officer
In Kind
Jan 17, 2026
$1,304.82
659
$1.98
33,896
Levy Adam D.
Chief Financial Officer
Buy
Jan 14, 2026
$14,999.39
8,832
$1.70
20,983
Blume-Jensen Peter
President and CEO
Buy
Jan 14, 2026
$82,124.00
49,000
$1.68
2.1M
Devroe Eric
Chief Operating Officer
Buy
Jan 13, 2026
$17,218.00
10,000
$1.72
75,308
Blume-Jensen Peter
President and CEO
In Kind
Nov 21, 2025
$45,779.20
19,904
$2.30
2.0M
Blume-Jensen Peter
President and CEO
In Kind
Nov 14, 2025
$133,873.60
59,765
$2.24
2.1M
Peterson Katharine
Chief Accounting Officer
In Kind
Nov 14, 2025
$221.76
99
$2.24
4,122
Miller Mary
Chief Legal Officer
In Kind
Nov 14, 2025
$412.16
184
$2.24
34,555
Devroe Eric
Chief Operating Officer
In Kind
Nov 14, 2025
$1,373.12
613
$2.24
65,308
Gamelin Erick
Chief Development Officer
In Kind
Nov 14, 2025
$902.72
403
$2.24
15,283
Blume-Jensen Peter
President and CEO
In Kind
Nov 14, 2025
$1,097.60
490
$2.24
314,706
Miller Mary
Chief Legal Officer
In Kind
Oct 17, 2025
$1,009.98
558
$1.81
34,739