NASDAQ: XENE
Xenon Pharmaceuticals Inc Stock Ownership - Who owns Xenon Pharmaceuticals?

Insider buying vs selling

Have Xenon Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Christopher John KenneyChief Medical Officer2026-03-131,410$55.23
$77.87kSell
Andrea DifabioChief Legal Officer2026-03-131,342$55.23
$74.11kSell
Ian MortimerPRESIDENT CEO2026-03-137,308$55.23
$403.58kSell
Andrea DifabioChief Legal Officer2026-03-102,607$60.11
$156.70kSell
Christopher John KenneyChief Medical Officer2026-03-102,771$60.11
$166.56kSell
Ian MortimerPRESIDENT CEO2026-03-1011,269$60.11
$677.36kSell
Ian MortimerPRESIDENT CEO2026-03-0961,652$60.08
$3.70MSell
Ian MortimerPRESIDENT CEO2026-03-0965,000$62.06
$4.03MSell
Ian MortimerPRESIDENT CEO2026-03-0925,000$3.10
$77.50kBuy
Ian MortimerPRESIDENT CEO2026-03-0912,479$59.50
$742.50kSell

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Net Insider Buy/Sell (L12M) Ownership

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XENE Shareholders

What type of owners hold Xenon Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Fmr LLC10.72%8,920,250$485.44MInstitution
Avoro Capital Advisors LLC6.52%5,424,444$295.20MInstitution
Blackrock Inc6.13%5,100,284$277.56MInstitution
Wellington Management Group LLP5.73%4,764,779$259.30MInstitution
Driehaus Capital Management LLC5.46%4,538,691$247.00MInstitution
Janus Henderson Group PLC4.91%4,084,034$222.25MInstitution
Capital International Investors4.10%3,414,959$185.84MInstitution
Polar Capital Holdings PLC2.96%2,465,694$134.18MInstitution
Braidwell LP2.19%1,825,076$99.32MInstitution
Commodore Capital LP2.16%1,800,000$97.96MInstitution

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XENE vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
XENE97.13%2.87%Net SellingNet Selling
CRSP68.96%31.04%Net BuyingNet Selling
TERN85.84%14.16%Net SellingNet Selling
FOLD66.65%33.35%Net SellingNet Selling
ERAS70.55%27.68%Net BuyingNet Buying

Xenon Pharmaceuticals Stock Ownership FAQ

Who owns Xenon Pharmaceuticals?

Xenon Pharmaceuticals (NASDAQ: XENE) is owned by 101.52% institutional shareholders, 3.00% Xenon Pharmaceuticals insiders, and 0.00% retail investors. Evan A. Stein is the largest individual Xenon Pharmaceuticals shareholder, owning 1.04M shares representing 1.26% of the company. Evan A. Stein's Xenon Pharmaceuticals shares are currently valued at $55.73M.

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