XENE
Xenon Pharma (XENE)
NASDAQ
$36.35-$0.15 (-0.41%)
Price as of Oct 22, 2026 7:32 PM EDT
  • $3.5B
    Market Cap
  • -14.77%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FMR LLC
9.96%
9.6M
-1.2M (-12.13%)
Jun 30, 2026
BLACKROCK, INC.
7.77%
7.5M
+1.9M (+25.02%)
Jun 30, 2026
AVORO CAPITAL ADVISORS LLC
5.97%
5.8M
0 (0.00%)
Jun 30, 2026
POLAR CAPITAL HOLDINGS PLC
4.72%
4.6M
+165,244 (+3.62%)
Jun 30, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC
4.56%
4.4M
-73,096 (-1.65%)
Jun 30, 2026
N/A
4.32%
4.2M
+4.2M (+100.00%)
Jun 30, 2026
JUPITER TOPCO LLC
4.32%
4.2M
+4.2M (+100.00%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions1.4B (80.83%)
  • Mutual Funds323.1M (19.08%)
  • Insiders1.5M (0.09%)
  • Other0 (0.00%)

Insider Transactions

  • 0.09% (1.5M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 4
    Number of InsiderSelling (last 12 months)
  • $16.6M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Kelly Thomas Patrick
Chief Financial Officer
Exempt
Oct 15, 2026
$0.00
7,500
$0.00
22,500
Kelly Thomas Patrick
Chief Financial Officer
Exempt
Oct 15, 2026
$0.00
7,500
$0.00
22,500
GANNON STEVEN
Sell
Aug 11, 2026
$640,550.00
10,000
$64.06
1,870
DiFabio Andrea
Chief Legal Officer
Sell
Mar 13, 2026
$74,111.95
1,342
$55.23
7,301
KENNEY CHRISTOPHER JOHN
Chief Medical Officer
Sell
Mar 13, 2026
$77,867.25
1,410
$55.23
7,069
MORTIMER IAN
PRESIDENT & CEO
Sell
Mar 13, 2026
$403,584.30
7,308
$55.23
19,923
DiFabio Andrea
Chief Legal Officer
Exempt
Mar 12, 2026
$0.00
3,750
$0.00
11,250
KENNEY CHRISTOPHER JOHN
Chief Medical Officer
Exempt
Mar 12, 2026
$0.00
3,750
$0.00
11,250
DiFabio Andrea
Chief Legal Officer
Exempt
Mar 12, 2026
$0.00
3,750
$0.00
8,643
MORTIMER IAN
PRESIDENT & CEO
Exempt
Mar 12, 2026
$0.00
12,500
$0.00
37,500
KENNEY CHRISTOPHER JOHN
Chief Medical Officer
Exempt
Mar 12, 2026
$0.00
3,750
$0.00
8,479
MORTIMER IAN
PRESIDENT & CEO
Exempt
Mar 12, 2026
$0.00
12,500
$0.00
27,231
KENNEY CHRISTOPHER JOHN
Chief Medical Officer
Sell
Mar 10, 2026
$166,559.27
2,771
$60.11
4,729
MORTIMER IAN
PRESIDENT & CEO
Sell
Mar 10, 2026
$677,357.05
11,269
$60.11
14,731
DiFabio Andrea
Chief Legal Officer
Sell
Mar 10, 2026
$156,701.56
2,607
$60.11
4,893
KENNEY CHRISTOPHER JOHN
Chief Medical Officer
Award
Mar 09, 2026
$0.00
7,500
$0.00
7,500
MORTIMER IAN
PRESIDENT & CEO
Exempt
Mar 09, 2026
$0.00
75,000
$0.00
0
KENNEY CHRISTOPHER JOHN
Chief Medical Officer
Exempt
Mar 09, 2026
$0.00
7,500
$0.00
0
DiFabio Andrea
Chief Legal Officer
Award
Mar 09, 2026
$0.00
7,500
$0.00
7,500
KENNEY CHRISTOPHER JOHN
Chief Medical Officer
Exempt
Mar 09, 2026
$0.00
7,500
$0.00
7,500
MORTIMER IAN
PRESIDENT & CEO
Exempt
Mar 09, 2026
$0.00
25,000
$0.00
0
DiFabio Andrea
Chief Legal Officer
Exempt
Mar 09, 2026
$0.00
7,500
$0.00
0
MORTIMER IAN
PRESIDENT & CEO
Exempt
Mar 09, 2026
$0.00
105,000
$0.00
0
DiFabio Andrea
Chief Legal Officer
Exempt
Mar 09, 2026
$0.00
7,500
$0.00
7,500
MORTIMER IAN
PRESIDENT & CEO
Exempt
Mar 09, 2026
$0.00
65,000
$0.00
0
MORTIMER IAN
PRESIDENT & CEO
Award
Mar 09, 2026
$0.00
20,000
$0.00
20,000
MORTIMER IAN
PRESIDENT & CEO
Exempt
Mar 09, 2026
$0.00
20,000
$0.00
0
MORTIMER IAN
PRESIDENT & CEO
Exempt
Mar 09, 2026
$630,000.00
75,000
$8.40
81,000
MORTIMER IAN
PRESIDENT & CEO
Sell
Mar 09, 2026
$1.3M
21,791
$58.81
59,209
MORTIMER IAN
PRESIDENT & CEO
Sell
Mar 09, 2026
$1.9M
31,694
$59.88
27,515