XENEXenon Pharmaceuticals Inc.

$63.80

Who owns XENE

287 institutions reported holding XENE for 2026Q1, together 115% of the company, more than the 243 a quarter earlier.

287

Institutions reporting a position · as of 2026Q1 · up from 243 the quarter before

Shares held by institutions
100.2M

Shares held by institutions · 115% of the company · long US equity positions only, as reported on Form 13F

Reported value
$5.80B

Reported value · at 2026-03-31 prices, not today's

Opened vs closed
72 / 35

Opened vs closed · new positions against positions exited in the latest quarter

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
46
New positions
72
Positions exited
35
Added to
120
Reduced
55
Institutional ownership by quarter, 2014Q4 to 2026Q1
QuarterFilersSharesReported value
2026Q1287100.2M$5.80B
2025Q424384.4M$3.78B
2025Q321784.3M$3.38B
2025Q220483.1M$2.60B
2025Q120576.7M$2.57B
2024Q420776.2M$2.99B
2024Q320274.9M$2.95B
2024Q221174.1M$2.89B
2024Q121973.5M$3.16B
2023Q420272.1M$3.32B
2023Q318061.3M$2.10B
2023Q217461.3M$2.36B
2023Q116261.1M$2.19B
2022Q415960.4M$2.38B
2022Q315457.9M$2.09B
2022Q215057.0M$1.73B
Largest reported holders, 2026Q1
HolderShares% of companyValue
FMR LLC10.8Mn/a$629M
Avoro Capital Advisors LLC5.8Mn/a$336M
BlackRock Inc.5.6Mn/a$328M
WELLINGTON MANAGEMENT GROUP LLP4.8Mn/a$281M
Driehaus Capital Management LLC4.5Mn/a$261M
Polar Capital Holdings Plc4.4Mn/a$256M
HENDERSON GROUP PLC4.2Mn/a$243M
Capital International Investors2.7Mn/a$156M
CITADEL ADVISORS LLC2.7Mn/a$154M
JPMORGAN CHASE & CO1.9Mn/a$107M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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