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Xenon Pharmaceuticals

289 hedge funds and large institutions have $5.8B invested in Xenon Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 80 funds opening new positions, 124 increasing their positions, 60 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

17% more funds holding

Funds holding: 246289 (+43)

11.18% more ownership

Funds ownership: 109.29%120.48% (+11%)

8% less call options, than puts

Call options by funds: $127M | Put options by funds: $138M

Holders
289
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$127M
Puts
$138M
Net Calls
Net Calls Change

Top Buyers

1 +$89.4M
2 +$87.5M
3 +$61.4M
4
Alyeska Investment Group
Alyeska Investment Group
Illinois
+$59.9M
5
DM
Deerfield Management
New York
+$49.5M

Top Sellers

1 -$44.9M
2 -$34.1M
3 -$22.4M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$20.3M
5
Millennium Management
Millennium Management
New York
-$20M
Name Holding Trade Value Shares
Change
Change in
Stake
GIM
101
Granahan Investment Management
Massachusetts
$6.08M
RhumbLine Advisers
102
RhumbLine Advisers
Massachusetts
$5.92M
BGM
103
Burkehill Global Management
New York
$5.82M
UBS Group
104
UBS Group
Switzerland
$5.79M
AI
105
Axiom Investors
Connecticut
$5.79M
California State Teachers Retirement System (CalSTRS)
106
California State Teachers Retirement System (CalSTRS)
California
$5.39M
Royal Bank of Canada
107
Royal Bank of Canada
Ontario, Canada
$5.25M
Raymond James Financial
108
Raymond James Financial
Florida
$5.15M
YIH
109
Y-Intercept (HK)
Hong Kong
$4.97M
BNP Paribas Financial Markets
110
BNP Paribas Financial Markets
France
$4.67M
ACM
111
Aquatic Capital Management
Illinois
$4.61M
Ameriprise
112
Ameriprise
Minnesota
$4.59M
Schroder Investment Management Group
113
Schroder Investment Management Group
United Kingdom
$4.51M
VFT
114
Vanguard Fiduciary Trust
Pennsylvania
$4.37M
SGM
115
Seven Grand Managers
New York
$4.36M
VAM
116
Vanguard Asset Management
$4.33M
Legal & General Group
117
Legal & General Group
United Kingdom
$4.27M
VOYA Investment Management
118
VOYA Investment Management
Georgia
$3.98M
AA
119
ALPS Advisors
Colorado
$3.94M
TI
120
Trexquant Investment
Connecticut
$3.92M
EI
121
EAM Investors
California
$3.87M
VCM
122
Vanguard Capital Management
Pennsylvania
$3.84M
AGP
123
Artia Global Partners
Florida
$3.78M
CM
124
Castleark Management
Illinois
$3.75M
ACM
125
Atika Capital Management
New York
$3.48M