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Xenon Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$272M +$6.03M +149,511 +2%
ACA
2
Avoro Capital Advisors
New York
$223M
DCM
3
Driehaus Capital Management
Illinois
$181M +$7.11M +176,249 +4%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$151M +$614K +15,226 +0.4%
B
5
Braidwell
Connecticut
$107M +$5.91M +146,682 +6%
CC
6
Commodore Capital
New York
$106M -$2.19M -54,266 -2%
Capital World Investors
7
Capital World Investors
California
$106M
Capital International Investors
8
Capital International Investors
California
$102M +$4.25M +105,313 +4%
Janus Henderson Group
9
Janus Henderson Group
$101M +$60.8M +1,507,135 +144%
PCH
10
Polar Capital Holdings
United Kingdom
$96.2M -$3.69M -91,413 -4%
BlackRock
11
BlackRock
New York
$82.9M +$390K +9,668 +0.5%
Adage Capital Partners
12
Adage Capital Partners
Massachusetts
$82M +$9.85M +244,417 +13%
Pictet Asset Management
13
Pictet Asset Management
Switzerland
$60.2M +$1.99M +49,323 +3%
T. Rowe Price Investment Management
14
T. Rowe Price Investment Management
Maryland
$59.2M +$2.58M +63,905 +4%
AllianceBernstein
15
AllianceBernstein
Tennessee
$56.1M -$2.36M -58,431 -4%
RSCM
16
Rock Springs Capital Management
Maryland
$51.8M +$1.76M +43,600 +3%
Marshall Wace
17
Marshall Wace
United Kingdom
$47.1M -$7.63M -189,194 -14%
FLAM
18
First Light Asset Management
Minnesota
$46.5M -$5.02M -124,598 -10%
AAA
19
Affinity Asset Advisors
New York
$45M +$6.04M +149,794 +15%
SC
20
Samlyn Capital
New York
$40.2M +$15.3M +380,521 +59%
BBA
21
Baker Bros. Advisors
New York
$39.1M
JP Morgan Chase
22
JP Morgan Chase
New York
$38.5M +$36.5M +905,129 +1,263%
O
23
OrbiMed
New York
$35.9M +$1.98M +49,058 +6%
VPC
24
Vestal Point Capital
New York
$32.5M +$12.1M +300,000 +57%
APM
25
Avidity Partners Management
Texas
$32.2M +$2.58M +64,000 +8%