• $608.1M
    Market Cap
  • 46.43%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FMR LLC
20.01%
11.0M
+2.8M (+25.05%)
Mar 31, 2026
RTW INVESTMENTS, LP
11.70%
6.4M
+6.4M (+100.00%)
Mar 31, 2026
ACORN CAPITAL ADVISORS, LLC
6.37%
3.5M
+917,431 (+26.23%)
Mar 31, 2026
BLACKROCK, INC.
5.66%
3.1M
+247,353 (+7.96%)
Mar 31, 2026
SATURN V CAPITAL MANAGEMENT LLC
5.28%
2.9M
+2.9M (+100.00%)
Mar 31, 2026
PORTOLAN CAPITAL MANAGEMENT, LLC
5.27%
2.9M
+1.2M (+41.42%)
Mar 31, 2026
N/A
4.49%
2.5M
+2.5M (+100.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions216.9M (70.28%)
  • Mutual Funds88.6M (28.69%)
  • Insiders3.2M (1.02%)
  • Other0 (0.00%)

Insider Transactions

  • 1.02% (3.2M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $12.1M
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $620,489.36
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
PAPA JOSEPH C
Award
Mar 31, 2026
$11,498.63
2,795
$4.11
2,795
Loggia Nicoletta
Award
Mar 31, 2026
$3,204.81
779
$4.11
779
Manning Paul B
Award
Mar 31, 2026
$18,998.45
4,618
$4.11
4,618
Manning Paul B
Buy
Feb 23, 2026
$3.0M
550,458
$5.45
2.8M
Barone Francesca
Chief Scientific Officer
Award
Jan 26, 2026
$0.00
232,000
$0.00
232,000
Schoch Charles
Chief Financial Officer
Award
Jan 26, 2026
$0.00
232,000
$0.00
232,000
Tak Paul Peter
Chief Executive Officer
Award
Jan 26, 2026
$0.00
629,000
$0.00
629,000
Tyagarajan Seshu
Chief Technology Officer
Award
Jan 26, 2026
$0.00
154,000
$0.00
154,000
Nichols William Garrett
Chief Medical Officer
Award
Jan 26, 2026
$0.00
136,500
$0.00
136,500
Nichols William Garrett
Chief Medical Officer
Exempt
Jul 28, 2025
$0.00
937
$0.00
29,377
Nichols William Garrett
Chief Medical Officer
Exempt
Jul 28, 2025
$1,208.73
937
$1.29
53,430
Nichols William Garrett
Chief Medical Officer
Sell
Jul 28, 2025
$6,540.26
937
$6.98
52,493
Nichols William Garrett
Chief Medical Officer
Exempt
Jun 30, 2025
$0.00
781
$0.00
30,314
Nichols William Garrett
Chief Medical Officer
Exempt
Jun 30, 2025
$1,007.49
781
$1.29
53,274
Nichols William Garrett
Chief Medical Officer
Sell
Jun 30, 2025
$3,936.24
781
$5.04
52,493
Tyagarajan Seshu
Chief Technology Officer
Award
Jun 25, 2025
$24,998.51
5,353
$4.67
90,865
Tak Paul Peter
Chief Executive Officer
Award
Jun 25, 2025
$199,997.42
42,826
$4.67
268,566
Loggia Nicoletta
Award
Jun 25, 2025
$9,998.47
2,141
$4.67
2,141
PAPA JOSEPH C
Award
Jun 25, 2025
$299,996.13
64,239
$4.67
64,239
Manning Paul B
Award
Jun 25, 2025
$5.0M
1.1M
$4.67
2.2M
Schoch Charles
Chief Financial Officer
Award
Jun 25, 2025
$24,998.51
5,353
$4.67
43,391
Benz Edward J. JR
Award
Jun 17, 2025
$0.00
14,240
$0.00
14,240
Martell Christopher
Award
Jun 17, 2025
$0.00
14,240
$0.00
14,240
Manning Paul B
Award
Jun 17, 2025
$0.00
14,240
$0.00
14,240
Loggia Nicoletta
Award
Jun 17, 2025
$0.00
14,240
$0.00
14,240
Nabel Gary J.
Award
Jun 17, 2025
$0.00
14,240
$0.00
14,240
Radhakrishnan Maha
Award
Jun 04, 2025
$0.00
28,480
$0.00
28,480
Tak Paul Peter
Chief Executive Officer
Sell
Mar 19, 2025
$3,601.00
400
$9.00
225,740
Barone Francesca
Chief Scientific Officer
Exempt
Mar 18, 2025
$0.00
18,000
$0.00
30,822
Nichols William Garrett
Chief Medical Officer
Exempt
Mar 18, 2025
$0.00
4,584
$0.00
195,416