Xenon Pharmaceuticals Inc

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Xenon Pharmaceuticals Inc
TickerXENE
CIK #0001582313
CUSIP98420N105
SectorLife Sciences - Pharmaceutical Preparations
Address200 - 3650 Gilmore Way, Burnaby, BC V5G 48W
Source [EDGAR]
CIK Filing 2011 - 2025
[0001582313] 10-K
[0001582313] 10-Q
[0001582313] 3
[0001582313] 4
[0001582313] 8-K
[0001582313] SC 13D
[0001582313] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
BlackRock Inc Xenon Pharmaceuticals Inc [2025-07-17] 0.0
Wellington Management Group LLP Xenon Pharmaceuticals Inc [2024-02-08] 5.56
Driehaus Capital Management LLC Xenon Pharmaceuticals Inc [2022-02-14] 6.05
Point72 Asset Management LP Xenon Pharmaceuticals Inc [2021-10-28] 5.0
FMR LLC Xenon Pharmaceuticals Inc [2021-02-08] 0.0
Neurocrine Biosciences Inc Xenon Pharmaceuticals Inc [2019-12-11] 5.4
Smallcap World Fund Inc Xenon Pharmaceuticals Inc [2019-02-14] 7.5
venBio Select Advisor LLC Xenon Pharmaceuticals Inc [2019-02-14] 0.5
Vivo Opportunity LLC Xenon Pharmaceuticals Inc [2018-07-13] 5.6
Adage Capital Partners GP LLC Xenon Pharmaceuticals Inc [2018-07-03] 5.64
OrbiMed Capital GP VI LLC Xenon Pharmaceuticals Inc [2017-02-13] 5.59
Teva Pharmaceutical Industries Ltd Xenon Pharmaceuticals Inc [2016-03-30] 7.7
Capital World Investors Xenon Pharmaceuticals Inc [2016-02-16] 7.2
Biotechnology Value Fund L P Xenon Pharmaceuticals Inc [2015-07-10] 2.8
Stein Evan A Xenon Pharmaceuticals Inc [2015-02-17] 7.33
FMR LLC Xenon Pharmaceuticals Inc [2015-02-13] 0.0
InterWest Partners VII L P Xenon Pharmaceuticals Inc [2015-02-13] 5.4
Troendle August J Xenon Pharmaceuticals Inc [2015-01-12] 8.26
Biotechnology Value Fund L P Xenon Pharmaceuticals Inc [2014-11-14] 2.5
Form 3/4/5 Filer 2011 - 2025
Xenon Pharmaceuticals Inc.
Cline Darren S
Gannon Steven
Garofalo Elizabeth A
Gover Justin D.
Patou Gary
Svoronos Dawn
Cannon Gillian
Machado Patrick
Mortimer Ian
Kenney Christopher John
DiFabio Andrea
Aulin Sherry
Von Seggern Christopher
Robin Sherrington
Empfield James R
AZAB Mohammad
Pimstone Simon N
Hayden Michael R
Holler Frank A
Tarnow Michael M
Desjardins Clarissa
Aycardi-Fonseca Ernesto
Scheller Richard H
Cohen Charles J
BVF Partners OS Ltd.
Lampert Mark N
Biotechnology Value Fund L P
Biotechnology Value Fund II LP
BVF Partners L P/IL
Biotechnology Value Trading Fund OS LP
BVF Inc/IL
Goldberg Y Paul
Winquist Raymond
Evans Johnston L
Stein Evan A
Corraini Karen G
MX Associates, LLP
Bridger Gary
Form 13F Holdings
Firm Period DFND Voting Shares
FMR LLC [2025-06-30] DFND 8,884,348 8,884,363
Avoro Capital Advisors LLC [2025-06-30] SOLE 5,400,000 5,400,000
BlackRock, Inc. [2025-06-30] SOLE 5,176,117 5,365,327
Driehaus Capital Management LLC [2025-06-30] SOLE 3,598,768 4,335,648
Braidwell LP [2025-06-30] SOLE 3,605,029 3,605,029
Janus Henderson Group PLC [2025-06-30] DFND 0 3,577,735
Capital International Investors [2025-06-30] DFND 3,181,549 3,181,549
Commodore Capital LP [2025-06-30] SOLE 3,025,000 3,025,000
Polar Capital Holdings Plc [2025-06-30] DFND 2,703,256 2,703,256
Wellington Management Group LLP [2025-06-30] DFND 0 2,174,761
Vestal Point Capital LP [2025-06-30] SOLE 2,000,000 2,000,000
Holocene Advisors LP [2025-06-30] SOLE 1,809,475 1,809,475
AllianceBernstein LP [2025-06-30] DFND 1,431,662 1,518,527
Pictet Asset Management Holding SA [2025-06-30] SOLE 1,261,557 1,474,449
State Street Corp [2025-06-30] DFND 1,156,488 1,380,460
Deep Track Capital LP [2025-06-30] SOLE 1,350,000 1,350,000
Adage Capital Partners GP LLC [2025-06-30] SOLE 1,290,100 1,290,100
JPMorgan Chase & Co [2025-06-30] DFND 1,119,130 1,256,308
Westfield Capital Management Co LP [2025-06-30] SOLE 815,620 1,152,605
Affinity Asset Advisors LLC [2025-06-30] SOLE 1,100,000 1,100,000
Marshall Wace LLP [2025-06-30] OTR 0 1,020,254
Geode Capital Management LLC [2025-06-30] DFND 970,343 970,343
OrbiMed Advisors LLC [2025-06-30] DFND 276,890 947,877
Rock Springs Capital Management LP [2025-06-30] SOLE 931,681 931,681
Millennium Management LLC [2025-06-30] SOLE 882,835 882,835
Siren, L.L.C. [2025-06-30] DFND 812,761 812,761
Vanguard Group Inc [2025-06-30] SOLE 0 727,052
Jennison Associates LLC [2025-06-30] DFND 696,383 696,383
American Century Companies Inc [2025-06-30] DFND 569,114 679,857
Franklin Resources Inc [2025-06-30] DFND 666,466 666,466
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