XBIT
XBiotech (XBIT)
NASDAQ
$2.39-$0.005 (-0.21%)
Price as of Jun 03, 2026 4:10 PM EDT
  • $73.8M
    Market Cap
  • -18.71%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
4.24%
1.3M
+44,119 (+3.41%)
Dec 31, 2024
BLACKROCK INC.
3.72%
1.1M
+827,522 (+72.96%)
Jun 30, 2024
BLACKROCK FUND ADVISORS
3.33%
1.0M
+98,423 (+9.71%)
Dec 31, 2016
VANGUARD GROUP INC
0.98%
299,556
-519,683 (-173.48%)
Dec 31, 2025
BLACKROCK, INC.
0.96%
293,104
+4,472 (+1.53%)
Mar 31, 2026
CREDIT SUISSE AG/
0.81%
248,270
0 (0.00%)
Mar 31, 2024
GEODE CAPITAL MANAGEMENT, LLC
0.76%
231,020
+9,899 (+4.28%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions65.8M (67.34%)
  • Mutual Funds22.5M (23.03%)
  • Insiders9.4M (9.64%)
  • Other0 (0.00%)

Insider Transactions

  • 9.64% (9.4M)
    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
Rademaker Craig Evan
Award
Oct 01, 2025
$0.00
92,104
$0.00
92,104
SIMARD JOHN
Chief Executive Officer
Award
Mar 17, 2025
$0.00
1.0M
$0.00
1.9M
SIMARD JOHN
Chief Executive Officer
Other
Jan 31, 2025
$24.7T
2.5M
$10.0M
870,381
MacAdam Donald H.
Award
Jun 20, 2024
$0.00
37,500
$0.00
37,500
Libby Peter
Award
Jun 20, 2024
$0.00
37,500
$0.00
37,500
MCKENZIE W THORPE
Award
Jun 20, 2024
$0.00
37,500
$0.00
37,500
Waldin Jan-Paul
Award
Jun 20, 2024
$0.00
37,500
$0.00
37,500