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Xenon Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
ACA
1
Avoro Capital Advisors
New York
$261M +$27.1M +766,666 +16%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$261M +$49.6M +1,403,056 +33%
DCM
3
Driehaus Capital Management
Illinois
$200M -$5.93M -167,825 -4%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$192M +$86M +2,434,546 +141%
PCH
5
Polar Capital Holdings
United Kingdom
$141M +$2.22M +62,881 +2%
Capital World Investors
6
Capital World Investors
California
$124M +$14.4M +406,563 +18%
Capital International Investors
7
Capital International Investors
California
$113M +$313K +8,863 +0.4%
CC
8
Commodore Capital
New York
$99.8M +$11.4M +322,793 +17%
PBA
9
Paradigm Biocapital Advisors
New York
$98M +$22.5M +635,565 +43%
BlackRock
10
BlackRock
New York
$95.2M +$38M +1,075,606 +108%
Pictet Asset Management
11
Pictet Asset Management
Switzerland
$94M +$3.59M +101,621 +5%
B
12
Braidwell
Connecticut
$75.9M -$16.1M -456,085 -22%
FLAM
13
First Light Asset Management
Minnesota
$75.8M +$36.9M +1,043,420 +173%
AllianceBernstein
14
AllianceBernstein
Tennessee
$72.5M +$17.3M +490,231 +45%
Marshall Wace
15
Marshall Wace
United Kingdom
$70.4M -$22.1M -625,746 -29%
Citadel Advisors
16
Citadel Advisors
Florida
$58.4M +$19.2M +543,320 +75%
RSCM
17
Rock Springs Capital Management
Maryland
$57.8M +$2.74M +77,575 +7%
PA
18
Perceptive Advisors
New York
$50.7M +$17.1M +483,248 +78%
Adage Capital Partners
19
Adage Capital Partners
Massachusetts
$48.3M +$17.6M +498,725 +91%
BBA
20
Baker Bros. Advisors
New York
$45.8M +$8.55M +242,040 +32%
Janus Henderson Group
21
Janus Henderson Group
$44.5M +$20.6M +583,760 +153%
T. Rowe Price Investment Management
22
T. Rowe Price Investment Management
Maryland
$41M +$31.5M +891,149 New
BI
23
BVF Inc
California
$41M -$33.1M -937,886 -51%
Point72 Asset Management
24
Point72 Asset Management
Connecticut
$40.3M -$8.86M -250,643 -22%
APM
25
Avidity Partners Management
Texas
$37.6M +$17.5M +494,593 +154%