• $299.9M
    Market Cap
  • 310.36%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
MADISON ASSET MANAGEMENT, LLC
5.74%
2.1M
+2.1M (+100.00%)
Mar 31, 2026
N/A
1.00%
366,028
+366,028 (+100.00%)
Mar 31, 2026
VANGUARD GROUP INC
0.97%
357,649
+60,611 (+16.95%)
Dec 31, 2025
MILLENNIUM MANAGEMENT LLC
0.70%
257,992
+231,904 (+89.89%)
Mar 31, 2026
683 CAPITAL MANAGEMENT, LLC
0.37%
137,000
-2,860 (-2.09%)
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
0.31%
114,555
+4,667 (+4.07%)
Mar 31, 2026
BRIDGEWAY CAPITAL MANAGEMENT INC
0.31%
113,682
-8,718 (-7.67%)
Dec 31, 2021

Current Ownership Distribution

  • Insiders36.0M (55.51%)
  • Institutions24.7M (38.06%)
  • Mutual Funds4.2M (6.43%)
  • Other0 (0.00%)

Insider Transactions

  • 55.51% (36.0M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    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
Gilmer Daniel B.
Award
Apr 24, 2026
$0.00
51,280
$0.00
51,280
Kyme Pierre
Chief Business Officer
In Kind
Mar 14, 2026
$10,856.20
1,030
$10.54
9,461
Schlesinger Sarah J.
Award
Mar 09, 2026
$0.00
25,640
$0.00
25,640
Peterson Todd C.
Award
Mar 09, 2026
$0.00
25,640
$0.00
25,640
Kostas Odysseas D
Award
Mar 09, 2026
$0.00
25,640
$0.00
25,640
Kramer Robin
Award
Mar 09, 2026
$0.00
25,640
$0.00
25,640
Haimovitz Jules
Award
Mar 09, 2026
$0.00
25,640
$0.00
25,640
House David Duane
SVP, Finance, and PFO
Award
Mar 09, 2026
$0.00
109,885
$0.00
109,885
Birx Deborah
Chief Executive Officer
In Kind
Jul 10, 2025
$30,955.99
13,637
$2.27
217,377
Kyme Pierre
Chief Business Officer
In Kind
Mar 14, 2025
$2,002.65
1,027
$1.95
10,491
Birx Deborah
Chief Executive Officer
In Kind
Mar 14, 2025
$11,818.95
6,061
$1.95
231,014
PATTI JOSEPH M
Award
Feb 05, 2025
$0.00
54,343
$0.00
54,343
Kostas Odysseas D
Award
Feb 05, 2025
$0.00
54,343
$0.00
54,343
Schlesinger Sarah J.
Award
Feb 05, 2025
$0.00
54,343
$0.00
54,343
Birx Deborah
Chief Executive Officer
Award
Feb 05, 2025
$0.00
240,000
$0.00
240,000
Peterson Todd C.
Award
Feb 05, 2025
$0.00
54,343
$0.00
54,343
Kramer Robin
Award
Feb 05, 2025
$0.00
54,343
$0.00
54,343
House David Duane
SVP, Finance, and PFO
Award
Feb 05, 2025
$0.00
25,000
$0.00
25,000
Kyme Pierre
Chief Business Officer
Award
Feb 05, 2025
$0.00
100,000
$0.00
100,000
Haimovitz Jules
Award
Feb 05, 2025
$0.00
54,343
$0.00
54,343
Birx Deborah
Chief Executive Officer
In Kind
Jul 10, 2024
$61,439.00
22,925
$2.68
237,075