• $799.0M
    Market Cap
  • 226.75%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
7.34%
5.3M
+247,188 (+4.66%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
5.94%
4.3M
+69,401 (+1.61%)
Dec 31, 2024
BLACKROCK INC.
5.67%
4.1M
-109,538 (-2.67%)
Jun 30, 2024
VANGUARD GROUP INC
5.55%
4.0M
+666,357 (+16.60%)
Dec 31, 2025
INGALLS & SNYDER LLC
4.92%
3.6M
+110,724 (+3.11%)
Mar 31, 2026
N/A
4.12%
3.0M
+3.0M (+100.00%)
Mar 31, 2026
UBS GROUP AG
3.23%
2.3M
+117,749 (+5.03%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions492.4M (74.27%)
  • Mutual Funds168.2M (25.37%)
  • Insiders2.4M (0.37%)
  • Other0 (0.00%)

Insider Transactions

  • 0.37% (2.4M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $1.1M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Cable Thomas J.
Exempt
May 22, 2026
$0.00
7,500
$0.00
0
Cable Thomas J.
Exempt
May 22, 2026
$81,300.00
7,500
$10.84
42,567
Cable Thomas J.
Sell
May 22, 2026
$87,039.00
7,500
$11.61
35,067
Borges David J.
VP, Finance & CAO
Exempt
Jan 13, 2026
$0.00
30,000
$0.00
65,000
Borges David J.
VP, Finance & CAO
Exempt
Jan 13, 2026
$91,800.00
30,000
$3.06
30,000
Borges David J.
VP, Finance & CAO
Sell
Jan 13, 2026
$369,315.00
30,000
$12.31
0
Borges David J.
VP, Finance & CAO
Sell
Jan 12, 2026
$381,600.00
30,000
$12.72
0
Demopulos Gregory A MD
Chairman, CEO & President
Gift
Oct 13, 2025
$0.00
600,000
$0.00
1.4M
Demopulos Gregory A MD
Chairman, CEO & President
Gift
Oct 13, 2025
$0.00
300,000
$0.00
300,000
Demopulos Gregory A MD
Chairman, CEO & President
Gift
Oct 13, 2025
$0.00
300,000
$0.00
300,000
Borges David J.
VP, Finance & CAO
Award
Jun 30, 2025
$0.00
95,000
$0.00
95,000
Cancelmo Peter B
VP, General Counsel
Award
Jun 30, 2025
$0.00
100,000
$0.00
100,000
Cable Thomas J.
Award
Jun 27, 2025
$0.00
15,000
$0.00
15,000
Shah Rajiv
Award
Jun 27, 2025
$0.00
15,000
$0.00
15,000
Demopulos Peter A MD
Award
Jun 27, 2025
$0.00
15,000
$0.00
15,000
Perkinson Diana T.
Award
Jun 27, 2025
$0.00
15,000
$0.00
15,000
Demopulos Peter A MD
Award
Jun 06, 2024
$0.00
15,000
$0.00
15,000
Hood Leroy E. MD PhD
Award
Jun 06, 2024
$0.00
15,000
$0.00
15,000
Cable Thomas J.
Award
Jun 06, 2024
$0.00
15,000
$0.00
15,000
Shah Rajiv
Award
Jun 06, 2024
$0.00
15,000
$0.00
15,000
Perkinson Diana T.
Award
Jun 06, 2024
$0.00
15,000
$0.00
15,000
HANISH ARNOLD C
Award
Jun 06, 2024
$0.00
15,000
$0.00
15,000
Bumol Thomas F.
Award
Jun 06, 2024
$0.00
15,000
$0.00
15,000