• $5.1M
    Market Cap
  • -71.80%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
HUDSON BAY CAPITAL MANAGEMENT LP
41.75%
1.5M
+1.5M (+100.00%)
Dec 31, 2021
POLARIS VENTURE MANAGEMENT CO. V, L.L.C.
9.84%
359,441
0 (0.00%)
Sep 30, 2021
VIRTU FINANCIAL LLC
3.61%
131,896
+131,896 (+100.00%)
Dec 31, 2021
RENAISSANCE TECHNOLOGIES LLC
3.36%
122,698
+13,550 (+11.04%)
Jun 30, 2026
NORTHERN TRUST CORP
2.93%
107,007
0 (0.00%)
Dec 31, 2021
MURCHINSON LTD.
2.74%
100,000
+100,000 (+100.00%)
Dec 31, 2021
BLACKROCK FUNDING, INC. /DE
1.50%
54,899
0 (0.00%)
Dec 31, 2024

Current Ownership Distribution

  • Institutions20.5M (45.41%)
  • Mutual Funds20.4M (45.26%)
  • Insiders4.2M (9.33%)
  • Other0 (0.00%)

Insider Transactions

  • 9.33% (4.2M)
    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
Higgins Michael J
Award
Feb 03, 2026
$0.00
8,800
$0.00
8,800