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Xenon Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$295M +$25.1M +607,606 +9%
ACA
2
Avoro Capital Advisors
New York
$222M
DCM
3
Driehaus Capital Management
Illinois
$177M -$3.11M -75,126 -2%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$148M -$2.72M -65,836 -2%
B
5
Braidwell
Connecticut
$114M +$8.55M +206,709 +8%
Janus Henderson Group
6
Janus Henderson Group
$112M +$13M +314,363 +12%
CC
7
Commodore Capital
New York
$107M +$1.65M +40,000 +1%
PCH
8
Polar Capital Holdings
United Kingdom
$106M +$10.5M +253,012 +10%
Capital International Investors
9
Capital International Investors
California
$99.9M -$1.4M -33,962 -1%
Capital World Investors
10
Capital World Investors
California
$89.9M -$16M -387,000 -14%
BlackRock
11
BlackRock
New York
$82.5M -$13.5K -326 -0%
Adage Capital Partners
12
Adage Capital Partners
Massachusetts
$73M -$9.12M -220,499 -11%
Pictet Asset Management
13
Pictet Asset Management
Switzerland
$58.7M -$1.34M -32,303 -2%
AllianceBernstein
14
AllianceBernstein
Tennessee
$56.6M +$763K +18,445 +1%
T. Rowe Price Investment Management
15
T. Rowe Price Investment Management
Maryland
$56.4M -$2.73M -65,977 -4%
JP Morgan Chase
16
JP Morgan Chase
New York
$53.2M +$15.7M +380,112 +39%
RSCM
17
Rock Springs Capital Management
Maryland
$49.1M -$2.67M -64,618 -5%
AAA
18
Affinity Asset Advisors
New York
$45.5M +$712K +17,216 +2%
FLAM
19
First Light Asset Management
Minnesota
$45.5M -$872K -21,082 -2%
Westfield Capital Management
20
Westfield Capital Management
Massachusetts
$45.4M +$20.2M +487,589 +73%
SC
21
Samlyn Capital
New York
$39.9M -$97.9K -2,368 -0.2%
BBA
22
Baker Bros. Advisors
New York
$39M
O
23
OrbiMed
New York
$37.2M +$1.51M +36,457 +4%
Marshall Wace
24
Marshall Wace
United Kingdom
$35.3M -$12.2M -295,762 -25%
TCM
25
TimesSquare Capital Management
New York
$33.3M +$2.92M +70,557 +9%