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Xenon Pharmaceuticals

215 hedge funds and large institutions have $3.39B invested in Xenon Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 36 funds opening new positions, 66 increasing their positions, 71 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more ownership

Funds ownership:

7% less repeat investments, than reductions

Existing positions increased: 66 | Existing positions reduced: 71

10% less funds holding in top 10

Funds holding in top 10: 109 (-1)

28% less call options, than puts

Call options by funds: $10.2M | Put options by funds: $14.1M

Holders
215
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$10.2M
Puts
$14.1M
Net Calls
Net Calls Change

Top Buyers

1 +$57.6M
2 +$33.7M
3 +$21M
4
Millennium Management
Millennium Management
New York
+$20.1M
5
CP
Caligan Partners
New York
+$17.8M

Top Sellers

1 -$36.1M
2 -$23.9M
3 -$21.2M
4
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$18.3M
5
Marshall Wace
Marshall Wace
United Kingdom
-$16.4M
Name Holding Trade Value Shares
Change
Change in
Stake
SEI Investments
126
SEI Investments
Pennsylvania
$900K
OAM
127
Oxford Asset Management
United Kingdom
$890K
SMH
128
Sanders Morris Harris
Texas
$863K
PFSRSONJ
129
Police & Firemen's Retirement System of New Jersey
New Jersey
$844K
BC
130
Birchview Capital
Vermont
$843K
ASRS
131
Arizona State Retirement System
Arizona
$774K
Stifel Financial
132
Stifel Financial
Missouri
$751K
Two Sigma Advisers
133
Two Sigma Advisers
New York
$727K
Natixis Advisors
134
Natixis Advisors
Massachusetts
$705K
TD Asset Management
135
TD Asset Management
Ontario, Canada
$652K
Thrivent Financial for Lutherans
136
Thrivent Financial for Lutherans
Minnesota
$647K
Teacher Retirement System of Texas
137
Teacher Retirement System of Texas
Texas
$642K
ProShare Advisors
138
ProShare Advisors
Maryland
$632K
Ensign Peak Advisors
139
Ensign Peak Advisors
Utah
$612K
BCI
140
Brinker Capital Investments
Pennsylvania
$599K
Citigroup
141
Citigroup
New York
$597K
CP
142
CenterBook Partners
Connecticut
$593K
LCM
143
Legato Capital Management
California
$570K
CUAMC
144
China Universal Asset Management Company
China
$543K
CIBC World Market
145
CIBC World Market
Ontario, Canada
$540K
QCM
146
Quantinno Capital Management
New York
$537K
Creative Planning
147
Creative Planning
Kansas
$530K
KK
148
KLP Kapitalforvaltning
Norway
$514K
SSA
149
Schonfeld Strategic Advisors
New York
$508K
AAM
150
Advisors Asset Management
Colorado
$460K