• $3.8B
    Market Cap
  • 76.58%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
8.77%
13.9M
+131,728 (+0.95%)
Dec 31, 2024
BLACKROCK INC.
8.30%
13.2M
+974,706 (+7.40%)
Jun 30, 2024
VANGUARD GROUP INC
8.23%
13.1M
+1.1M (+8.16%)
Dec 31, 2025
BLACKROCK, INC.
8.21%
13.0M
+319,233 (+2.45%)
Mar 31, 2026
BAILLIE GIFFORD & CO
7.60%
12.1M
-244,410 (-2.03%)
Mar 31, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
5.37%
8.5M
+1.3M (+14.85%)
Mar 31, 2026
TEMASEK HOLDINGS (PRIVATE) LTD
4.42%
7.0M
0 (0.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions2.1B (78.45%)
  • Mutual Funds541.4M (20.31%)
  • Insiders32.8M (1.23%)
  • Other0 (0.00%)

Insider Transactions

  • 1.23% (32.8M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 3
    Number of InsiderSelling (last 12 months)
  • $14.8M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Watts Ryan J.
President and CEO
Sell
Jan 06, 2026
$580,767.00
35,198
$16.50
296,833
Schuth Alexander O.
COFO and Secretary
Sell
Jan 06, 2026
$284,097.00
17,218
$16.50
282,828
Schuth Alexander O.
COFO and Secretary
Award
Jan 03, 2026
$0.00
173,100
$0.00
173,100
Schuth Alexander O.
COFO and Secretary
Award
Jan 03, 2026
$0.00
57,700
$0.00
300,046
Van Hauwermeiren Timothy
Award
Nov 04, 2025
$0.00
31,897
$0.00
31,897
Van Hauwermeiren Timothy
Award
Nov 04, 2025
$0.00
10,632
$0.00
10,632
Watts Ryan J.
President and CEO
Gift
Sep 03, 2025
$0.00
50,000
$0.00
2.2M
Ho Carole
Chief Medical Officer
Sell
Aug 13, 2025
$11,799.84
806
$14.64
216,585
Ho Carole
Chief Medical Officer
Sell
Aug 12, 2025
$39,884.46
2,937
$13.58
217,391
Ho Carole
Chief Medical Officer
Exempt
Aug 05, 2025
$0.00
44,655
$0.00
62,500
Ho Carole
Chief Medical Officer
Exempt
Aug 05, 2025
$30,365.40
44,655
$0.68
220,328
FLATLEY JAY T
Award
Jun 03, 2025
$0.00
18,111
$0.00
18,111
Tessier-Lavigne Marc
Award
Jun 03, 2025
$0.00
18,111
$0.00
18,111
Klein Peter S
Award
Jun 03, 2025
$0.00
18,111
$0.00
18,111
Krognes Steve E.
Award
Jun 03, 2025
$0.00
18,111
$0.00
18,111
FLATLEY JAY T
Award
Jun 03, 2025
$0.00
6,037
$0.00
16,220
Schenkein David P
Award
Jun 03, 2025
$0.00
18,111
$0.00
18,111
BAKER BROS. ADVISORS LP
Award
Jun 03, 2025
$0.00
31,695
$0.00
31,695
Krognes Steve E.
Award
Jun 03, 2025
$0.00
6,037
$0.00
31,794
Klein Peter S
Award
Jun 03, 2025
$0.00
6,037
$0.00
27,533
Tessier-Lavigne Marc
Award
Jun 03, 2025
$0.00
6,037
$0.00
1.9M
BAKER BROS. ADVISORS LP
Award
Jun 03, 2025
$0.00
31,695
$0.00
31,695
Schenkein David P
Award
Jun 03, 2025
$0.00
6,037
$0.00
15,257
BAKER BROS. ADVISORS LP
Award
Jun 03, 2025
$0.00
10,565
$0.00
336,867
BAKER BROS. ADVISORS LP
Award
Jun 03, 2025
$0.00
10,565
$0.00
3.4M
Ho Carole
Chief Medical Officer
Sell
Jan 07, 2025
$60,494.67
2,907
$20.81
175,673
Krognes Steve E.
Sell
Jan 07, 2025
$69,484.59
3,339
$20.81
25,757
Schuth Alexander O.
COFO and Secretary
Sell
Jan 07, 2025
$60,494.67
2,907
$20.81
244,308
Watts Ryan J.
President and CEO
Sell
Jan 07, 2025
$159,196.50
7,650
$20.81
253,071
Schuth Alexander O.
COFO and Secretary
Sell
Jan 06, 2025
$247,796.10
12,255
$20.22
247,215