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Xenon Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$264M +$6.65M +166,343 +3%
ACA
2
Avoro Capital Advisors
New York
$221M
DCM
3
Driehaus Capital Management
Illinois
$172M +$3.91M +97,732 +2%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$149M -$3.75M -93,837 -2%
CC
5
Commodore Capital
New York
$107M +$23.4M +586,473 +27%
Capital World Investors
6
Capital World Investors
California
$105M
B
7
Braidwell
Connecticut
$99.8M +$50.1M +1,252,562 +96%
PCH
8
Polar Capital Holdings
United Kingdom
$98.9M -$3.04M -76,050 -3%
Capital International Investors
9
Capital International Investors
California
$96.5M
BlackRock
10
BlackRock
New York
$81.7M -$1.04M -26,034 -1%
PBA
11
Paradigm Biocapital Advisors
New York
$79.7M -$17.7M -441,594 -18%
Adage Capital Partners
12
Adage Capital Partners
Massachusetts
$71.7M +$6.7M +167,638 +10%
AllianceBernstein
13
AllianceBernstein
Tennessee
$57.8M +$588K +14,720 +1%
Pictet Asset Management
14
Pictet Asset Management
Switzerland
$57.7M -$1.44M -35,935 -2%
T. Rowe Price Investment Management
15
T. Rowe Price Investment Management
Maryland
$56.1M +$542K +13,564 +1%
Marshall Wace
16
Marshall Wace
United Kingdom
$54M -$2.62M -65,668 -5%
FLAM
17
First Light Asset Management
Minnesota
$50.9M -$556K -13,912 -1%
RSCM
18
Rock Springs Capital Management
Maryland
$49.6M +$692K +17,300 +1%
Janus Henderson Group
19
Janus Henderson Group
$40.8M +$4.14M +103,688 +11%
AAA
20
Affinity Asset Advisors
New York
$38.8M +$6.27M +156,840 +19%
BBA
21
Baker Bros. Advisors
New York
$38.7M
Invesco
22
Invesco
Georgia
$33.8M -$7.3M -182,741 -17%
O
23
OrbiMed
New York
$33.6M +$12.5M +312,362 +57%
Citadel Advisors
24
Citadel Advisors
Florida
$30M -$20.7M -518,349 -40%
TCM
25
TimesSquare Capital Management
New York
$29.4M +$692K +17,320 +2%