• $11.1M
    Market Cap
  • -67.24%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VESTOR CAPITAL, LLC
2.68%
970,985
+970,314 (+99.93%)
Mar 31, 2026
N/A
0.99%
359,911
+359,911 (+100.00%)
Mar 31, 2026
VANGUARD GROUP INC
0.69%
248,931
+33,100 (+13.30%)
Dec 31, 2025
GEODE CAPITAL MANAGEMENT, LLC
0.58%
211,696
+79,055 (+37.34%)
Mar 31, 2026
YORKVILLE ADVISORS GLOBAL, LP
0.36%
129,000
-2,909 (-2.26%)
Mar 31, 2026
CITADEL ADVISORS LLC
0.28%
101,661
+101,661 (+100.00%)
Mar 31, 2026
VANGUARD FIDUCIARY TRUST CO
0.24%
87,789
+87,789 (+100.00%)
Mar 31, 2026

Current Ownership Distribution

  • Other17.1M (47.09%)
  • Insiders16.6M (45.65%)
  • Institutions2.5M (7.01%)
  • Mutual Funds89,040 (0.25%)

Insider Transactions

  • 45.65% (16.6M)
    Current InsiderOwnership (%, shares)
  • 2
    Number of InsiderBuying (last 12 months)
  • $103.3M
    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
Silva Alison D.
Pres + Chief Business Officer
Buy
Jul 01, 2025
$256.57
250
$1.03
112,277
ROSEN CHRISTER
CEO and Chairman
Buy
Jul 01, 2025
$505.00
500
$1.01
11.1M
Silva Alison D.
Pres + Chief Business Officer
Buy
Jul 01, 2025
$257.18
250
$1.03
112,527
ROSEN CHRISTER
CEO and Chairman
Buy
Jul 01, 2025
$3,162.00
3,100
$1.02
11.1M
Silva Alison D.
Pres + Chief Business Officer
Buy
Jul 01, 2025
$258.50
250
$1.03
112,777
ROSEN CHRISTER
CEO and Chairman
Buy
Jun 30, 2025
$980.00
1,000
$0.98
11.1M
ROSEN CHRISTER
CEO and Chairman
Buy
Jun 30, 2025
$2,020.00
2,000
$1.01
11.1M
ROSEN CHRISTER
CEO and Chairman
Buy
Jun 30, 2025
$1,479.00
1,450
$1.02
11.1M
ROSEN CHRISTER
CEO and Chairman
Buy
Jun 30, 2025
$721.00
700
$1.03
11.1M
ROSEN CHRISTER
CEO and Chairman
Buy
Jun 30, 2025
$1,560.00
1,500
$1.04
11.1M
ROSEN CHRISTER
CEO and Chairman
Buy
Jun 30, 2025
$1,050.00
1,000
$1.05
11.1M
Silva Alison D.
Pres + Chief Business Officer
Buy
Jun 30, 2025
$101.68
100
$1.02
111,177
Silva Alison D.
Pres + Chief Business Officer
Buy
Jun 30, 2025
$255.00
250
$1.02
111
Silva Alison D.
Pres + Chief Business Officer
Buy
Jun 30, 2025
$257.50
250
$1.03
111,677
Silva Alison D.
Pres + Chief Business Officer
Buy
Jun 30, 2025
$259.20
250
$1.04
111,927
Silva Alison D.
Pres + Chief Business Officer
Buy
Jun 30, 2025
$104.96
100
$1.05
112,027
Silva Alison D.
Pres + Chief Business Officer
Buy
Jun 27, 2025
$250.00
250
$1.00
110,477
Silva Alison D.
Pres + Chief Business Officer
Buy
Jun 27, 2025
$103.50
100
$1.03
110,577
Silva Alison D.
Pres + Chief Business Officer
Buy
Jun 27, 2025
$260.88
250
$1.04
110,827
Silva Alison D.
Pres + Chief Business Officer
Buy
Jun 27, 2025
$262.50
250
$1.05
111,077
ROSEN CHRISTER
CEO and Chairman
Buy
Jun 27, 2025
$175.96
166
$1.06
11.1M
Silva Alison D.
Pres + Chief Business Officer
Exempt
Jun 02, 2025
$0.00
110,227
$0.00
110,227
ROSEN CHRISTER
CEO and Chairman
Exempt
Jun 02, 2025
$0.00
497,396
$0.00
10.6M
ROSEN CHRISTER
CEO and Chairman
Exempt
Jun 02, 2025
$0.00
476,070
$0.00
11.1M
Brady Allison W
Exempt
Jan 22, 2025
$60,900.00
21,750
$2.80
21,750
Weis Holger
Exempt
Jan 22, 2025
$30,186.80
10,781
$2.80
10,781
Brady Allison W
Exempt
Jan 22, 2025
$0.00
21,750
$0.00
21,750
Weis Holger
Exempt
Jan 22, 2025
$0.00
10,781
$0.00
10,781