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Xenon Pharmaceuticals Inc.

XENE
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001582313

In the last 90 days, Xenon Pharmaceuticals Inc. insiders filed 0 open-market purchases and 2 sales; 315 institutions reported holding it in 13F filings for Q2 2026, worth $6.10B in total; Duquesne Family Office is the only superinvestor holding it.

13F holders, Q4 2021

Institutional positions in Xenon Pharmaceuticals Inc. as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
130
+14 vs. Q3 2021
Shares held
47.7M
+14.0M (+41.6%) vs. Q3 2021
Total value
$1.49B
+$974.8M (+189.3%) vs. Q3 2021
New holders
38
50 more added
Sold out
24
27 more reduced

2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting XENE on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2021: 130 institutions
Q1 2021: 91 institutionsQ2 2021: 103 institutionsQ3 2021: 118 institutionsQ4 2021: 130 institutionsQ1 2022: 132 institutionsQ2 2022: 151 institutionsQ3 2022: 154 institutionsQ4 2022: 159 institutionsQ1 2023: 163 institutionsQ2 2023: 175 institutionsQ3 2023: 181 institutionsQ4 2023: 204 institutionsQ1 2024: 220 institutionsQ2 2024: 213 institutionsQ3 2024: 203 institutionsQ4 2024: 209 institutionsQ1 2025: 206 institutionsQ2 2025: 206 institutionsQ3 2025: 219 institutionsQ4 2025: 245 institutionsQ1 2026: 290 institutionsQ2 2026: 315 institutions
Value heldQ4 2021: $1.49B
Q1 2021: $590.0MQ2 2021: $620.0MQ3 2021: $521.7MQ4 2021: $1.49BQ1 2022: $1.50BQ2 2022: $1.73BQ3 2022: $2.09BQ4 2022: $2.38BQ1 2023: $2.19BQ2 2023: $2.36BQ3 2023: $2.10BQ4 2023: $3.32BQ1 2024: $3.16BQ2 2024: $2.89BQ3 2024: $2.95BQ4 2024: $2.99BQ1 2025: $2.58BQ2 2025: $2.60BQ3 2025: $3.39BQ4 2025: $3.78BQ1 2026: $5.80BQ2 2026: $6.10B
Institutions holding XENE and their total value by quarter
QuarterHoldersValue
Q2 2026315$6.10B
Q1 2026290$5.80B
Q4 2025245$3.78B
Q3 2025219$3.39B
Q2 2025206$2.60B
Q1 2025206$2.58B
Q4 2024209$2.99B
Q3 2024203$2.95B
Q2 2024213$2.89B
Q1 2024220$3.16B
Q4 2023204$3.32B
Q3 2023181$2.10B
Q2 2023175$2.36B
Q1 2023163$2.19B
Q4 2022159$2.38B
Q3 2022154$2.09B
Q2 2022151$1.73B
Q1 2022132$1.50B
Q4 2021130$1.49B
Q3 2021118$521.7M
Q2 2021103$620.0M
Q1 202191$590.0M

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding Xenon Pharmaceuticals Inc.; share changes are against Q3 2021.

Institutions holding XENE in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
State of Wyoming40$1.00K0.00%−2−4.8%Reduced
BNP Paribas Arbitrage, SA80$2.50K0.00%−422−84.1%Reduced
Advisor Group Holdings, Inc.100$3.00K0.00%−275−73.3%Reduced
Daiwa Securities Group Inc.141$4.00K0.00%00.0%Unchanged
Brown Brothers Harriman & Co294$9.00K0.00%+294New
Jefferies Group LLC454$14.2K0.00%+454New
Leonteq Securities AG530$16.6K0.00%+530New
Cutler Group LP600$18.0K0.00%−1,293−68.3%Reduced
Tower Research Capital LLC (TRC)646$20.0K0.00%−667−50.8%Reduced
IFP Advisors, Inc1,000$31.0K0.00%00.0%Unchanged
High Net Worth Advisory Group LLC1,000$31.0K0.01%+1,000New
Turim 21 Investimentos Ltda.1,466$46.0K0.02%+1,466New
UBS Group AG1,777$56.0K0.00%+755+73.9%Added
Great West Life Assurance Co1,857$58.0K0.00%+753+68.2%Added
Proequities, Inc.2,000$62.0K0.00%00.0%Unchanged
Citigroup Inc2,301$72.0K0.00%−328−12.5%Reduced
Eaton Vance Management2,500$78.0K0.00%00.0%Unchanged
Macquarie Group Ltd3,514$110.0K0.00%00.0%Unchanged
Amundi4,528$132.0K0.00%+4,528New
JPMorgan Chase & Co4,775$149.0K0.00%+1,761+58.4%Added
Aquatic Capital Management LLC5,400$169.0K0.33%+5,400New
Virtus ETF Advisers LLC6,439$201.0K0.08%−5,055−44.0%Reduced
Twinbeech Capital LP6,878$215.0K0.01%+6,878New
ProShare Advisors LLC7,266$227.0K0.00%+7,266New
Victory Capital Management Inc7,545$236.0K0.00%+7,545New
New York State Common Retirement Fund8,100$253.0K0.00%+8,100New
Engineers Gate Manager LP9,083$284.0K0.01%−5,067−35.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)9,565$299.0K0.00%+5,364+127.7%Added
Difesa Capital Management, LP10,000$312.0K0.23%+10,000New
Legal & General Group Plc10,513$328.0K0.00%+3,765+55.8%Added
Arizona State Retirement System10,679$334.0K0.00%+10,679New
Supplemental Annuity Collective Trust of NJ11,000$344.0K0.11%00.0%Unchanged
Squarepoint Ops LLC11,014$344.0K0.00%+11,014New
Stifel Financial Corp11,484$358.0K0.00%+556+5.1%Added
DekaBank Deutsche Girozentrale11,300$359.0K0.00%+300+2.7%Added
Sender Co & Partners, Inc.12,215$382.0K0.24%+12,215New
Brown Advisory Inc12,911$403.0K0.00%+12,911New
Guggenheim Capital LLC13,684$427.0K0.00%+3,609+35.8%Added
Qube Research & Technologies Ltd14,304$447.0K0.00%+14,304New
Cubist Systematic Strategies, LLC14,541$454.0K0.00%+6,653+84.3%Added
Elmwood Wealth Management, Inc.18,080$565.0K0.27%+18,080New
Boothbay Fund Management, LLC18,376$574.0K0.02%−32,948−64.2%Reduced
Handelsbanken Fonder AB20,700$647.0K0.00%+20,700New
Susquehanna Fundamental Investments, LLC20,866$652.0K0.02%00.0%Unchanged
Royal Bank of Canada24,313$760.0K0.00%−1,000−4.0%Reduced
Sanders Morris Harris LLC24,500$771.0K0.13%00.0%Unchanged
Credit Suisse AG24,904$777.0K0.00%+6,206+33.2%Added
NJ State Employees Deferred Compensation Plan25,000$781.0K0.10%00.0%Unchanged
Granite Point Capital Management, L.P.25,000$781.0K0.30%+25,000New
Tri Locum Partners LP25,043$782.0K0.31%−239,091−90.5%Reduced
Shell Asset Management Co25,329$791.0K0.02%+164+0.7%Added
International Biotechnology Trust PLC25,500$797.0K0.18%00.0%Unchanged
UBS Asset Management Americas Inc28,062$876.7K0.00%+28,062New
Geode Capital Management, LLC28,198$880.0K0.00%+6,548+30.2%Added
Jump Financial, LLC31,300$978.0K0.06%+31,300New
California State Teachers Retirement System33,508$1.05M0.00%+10,178+43.6%Added
Scotia Capital Inc.33,696$1.05M0.01%−3,440−9.3%Reduced
Erste Asset Management GmbH35,000$1.10M0.02%+35,000New
Gyon Technologies Capital Management, LP36,279$1.13M0.21%+23,445+182.7%Added
Teacher Retirement System of Texas37,028$1.16M0.01%+37,028New
Ensign Peak Advisors, Inc37,115$1.16M0.00%+5,600+17.8%Added
Nuveen Asset Management, LLC41,884$1.31M0.00%+12,586+43.0%Added
Bamco Inc42,000$1.31M0.00%+42,000New
Cinctive Capital Management LP42,303$1.32M0.06%+42,303New
Bank of America Corp42,798$1.34M0.00%+28,411+197.5%Added
Voloridge Investment Management, LLC47,920$1.50M0.01%+47,920New
Pura Vida Investments, LLC48,502$1.51M0.16%−1,498−3.0%Reduced
CIBC World Markets Inc.49,634$1.55M0.01%+49,634New
Northern Trust Corp50,596$1.58M0.00%+12,746+33.7%Added
Russell Investments Group, Ltd.52,171$1.63M0.00%+52,171New
Altshuler Shaham Ltd53,600$1.67M0.04%00.0%Unchanged
Ameriprise Financial Inc58,321$1.82M0.00%+43,621+296.7%Added
Alps Advisors Inc59,702$1.86M0.02%+9,287+18.4%Added
HighVista Strategies LLC62,906$1.97M1.56%−12,140−16.2%Reduced
Allianz Asset Management GmbH69,905$2.19M0.00%+69,905New
Walleye Capital LLC71,984$2.25M0.07%+71,984New
Polar Asset Management Partners Inc.78,300$2.45M0.03%+78,300New
Knott David M Jr86,488$2.70M1.02%+86,488New
Swiss National Bank87,400$2.73M0.00%+24,000+37.9%Added
Schonfeld Strategic Advisors LLC88,900$2.78M0.03%−31,221−26.0%Reduced
Millennium Management LLC90,621$2.83M0.00%−145,598−61.6%Reduced
Ghost Tree Capital, LLC100,000$3.12M1.20%−690,000−87.3%Reduced
Silverarc Capital Management, LLC100,000$3.12M1.40%+80,568+414.6%Added
Two Sigma Advisers, LP126,600$3.96M0.01%−49,200−28.0%Reduced
Affinity Asset Advisors, LLC150,500$4.70M2.01%+100,500+201.0%Added
Vanguard Group Inc153,366$4.79M0.00%+46,174+43.1%Added
State Street Corp161,249$5.04M0.00%+13,802+9.4%Added
Altrinsic Global Advisors LLC170,000$5.31M0.17%00.0%Unchanged
Goldman Sachs Group Inc171,394$5.35M0.00%+75,409+78.6%Added
Ikarian Capital, LLC179,138$5.60M1.60%−198,300−52.5%Reduced
AXA S.A.195,048$6.09M0.02%+35,405+22.2%Added
Nan Fung Group Holdings Ltd197,880$6.18M1.83%00.0%Unchanged
Eversept Partners, LP209,519$6.55M0.54%+209,519New
Granahan Investment Management Inc217,301$6.79M0.14%+133,447+159.1%Added
Acuta Capital Partners, LLC225,000$7.03M2.95%−192,409−46.1%Reduced
Two Sigma Investments, LP278,343$8.70M0.02%+108,667+64.0%Added
Dimensional Fund Advisors LP291,946$9.12M0.00%+140,749+93.1%Added
Invesco Ltd.294,100$9.19M0.00%+294,100New
Alliancebernstein L.P.294,098$9.19M0.00%+30,995+11.8%Added
Parkman Healthcare Partners LLC360,502$11.3M2.55%+49,295+15.8%Added