XENON PHARMACEUTICALS INC (XENE) Institutional Ownership and Insiders Activity

XENON PHARMACEUTICALS INC (XENE) is widely held by institutional investors, with 305 firms reporting positions valued at approximately $6.00B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Fmr Llc is the largest disclosed holder, reporting approximately $582.35M in XENE holdings in its latest filing.

Recent insider activity includes 4 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.

Institutional Holders

305

Total Reported Value

$6.00B

Largest Holder

Fmr Llc

Largest Position

$582.35M

Insider Transactions (90d)

4

Latest Filing Quarter

Q2 2026

New Institutional Positions

51

Funds Exiting Positions

31