Who Owns XENON PHARMACEUTICALS INC (XENE)? -- Institutional Holders (2026-06-30)

339 institutions reported holding $6.19B of XENON PHARMACEUTICALS INC (XENE) in SEC 13F filings for 2026-06-30. Largest institutional holders: FMR LLC ($582.4M), BlackRock, Inc. ($454.1M), Avoro Capital Advisors LLC ($348.7M), Polar Capital Holdings Plc ($275.9M), Driehaus Capital Management LLC ($266.7M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1FMR LLC$582.4M9.6MTrimmed
2BlackRock, Inc.$454.1M7.5MAdded
3Avoro Capital Advisors LLC$348.7M5.8MHold
4Polar Capital Holdings Plc$275.9M4.6MAdded
5Driehaus Capital Management LLC$266.7M4.4MTrimmed
6Jupiter Topco LLC$252.7M4.2MNew
7PRICE T ROWE ASSOCIATES INC /MD/$196.1M3.2MAdded
8JPMORGAN CHASE & CO$157.4M2.6MAdded
9Capital International Investors$142.5M2.4MTrimmed
10T. Rowe Price Investment Management, Inc.$130.9M2.2MAdded
11STATE STREET CORP$118.9M2.0MAdded
12TWO SIGMA INVESTMENTS, LP$99.2M1.6MAdded
13DEERFIELD MANAGEMENT COMPANY, L.P.$97.5M1.6MHold
14Affinity Asset Advisors, LLC$96.3M1.6MTrimmed
15WESTFIELD CAPITAL MANAGEMENT CO LP$91.0M1.5MAdded
16ALLIANCEBERNSTEIN L.P.$90.8M1.6MAdded
17CITADEL ADVISORS LLC$87.4M1.4MTrimmed
18FRANKLIN RESOURCES INC$86.8M1.4MAdded
19WELLINGTON MANAGEMENT GROUP LLP$86.0M1.4MTrimmed
20GEODE CAPITAL MANAGEMENT, LLC$82.7M1.4MAdded
21Siren, L.L.C.$79.6M1.3MHold
22BNP PARIBAS ASSET MANAGEMENT Holding S.A.$77.9M1.3MTrimmed
23Pictet Asset Management Holding SA$71.6M1.2MAdded
24BRAIDWELL LP$68.3M1.1MTrimmed
25VANGUARD GROUP INC$61.7M1.0MAdded

Source: SEC Form 13F filings · as of 2026-06-30