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Nov 14, 2025 10:30AM Form SCHEDULE 13G Xenon Pharmaceuticals Filed by: JANUS HENDERSON GROUP PLC
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Feb 14, 2024 07:43AM Form SC 13G/A Xenon Pharmaceuticals Filed by: DRIEHAUS CAPITAL MANAGEMENT LLC
Feb 9, 2024 10:07AM
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Feb 9, 2023 12:47PM Form SC 13G/A Xenon Pharmaceuticals Filed by: FMR LLC
Mar 21, 2022 06:02AM
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Feb 10, 2022 11:24AM Form SC 13G/A Xenon Pharmaceuticals Filed by: ADAGE CAPITAL PARTNERS GP, L.L.C.
Feb 9, 2022 10:06AM
Oct 28, 2021 05:25PM
Feb 16, 2021 06:23AM
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Feb 8, 2021 10:36AM Form SC 13G Xenon Pharmaceuticals Filed by: FMR LLC
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Feb 14, 2019 04:21PM
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Feb 14, 2019 08:37AM Form SC 13G Xenon Pharmaceuticals Filed by: venBio Select Advisor LLC
Feb 14, 2019 06:10AM
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Mar 29, 2018 05:13PM Form SC 13G/A Xenon Pharmaceuticals Filed by: BIOTECHNOLOGY VALUE FUND L P
Feb 14, 2018 02:35PM

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