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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
Avoro Capital Advisors LLC4,985,000$155.7M2.65%+1,335,000+36.6%Added
FMR LLC3,910,017$122.1M0.01%+853,261+27.9%Added
BVF Inc3,289,540$102.8M3.73%+1,717,762+109.3%Added
Driehaus Capital Management LLC3,123,229$97.6M1.00%+1,611,686+106.6%Added
Point72 Asset Management, L.P.2,992,597$93.5M0.41%+1,914,797+177.7%Added
Perceptive Advisors LLC2,411,447$75.3M1.16%+389,396+19.3%Added
Capital World Investors2,274,974$71.1M0.01%+1,311,474+136.1%Added
Lord, Abbett & Co. LLC1,795,080$56.1M0.13%+1,416,722+374.4%Added
Polar Capital Holdings Plc1,688,044$52.7M0.27%+1,688,044New
Citadel Advisors LLC1,287,803$40.2M0.04%+446,587+53.1%Added
Marshall Wace, LLP1,220,957$38.1M0.08%+1,191,154+3,996.8%Added
Commodore Capital LP1,090,126$34.1M7.89%+510,694+88.1%Added
Capital International Investors1,055,726$33.0M0.01%00.0%Unchanged
Great Point Partners LLC950,000$29.7M6.63%+250,000+35.7%Added
Morgan Stanley872,084$27.2M0.00%+831,348+2,040.8%Added
Bank of New York Mellon Corp791,525$24.7M0.00%−143,118−15.3%Reduced
Rock Springs Capital Management LP771,367$24.1M0.56%+188,267+32.3%Added
Baker Bros. Advisors LP751,639$23.5M0.11%00.0%Unchanged
Suvretta Capital Management, LLC692,000$21.6M0.42%−466,961−40.3%Reduced
Kynam Capital Management, LP670,093$20.9M11.19%+670,093New
Adage Capital Partners GP, L.L.C.665,000$20.8M0.04%−510,000−43.4%Reduced
OrbiMed Advisors LLC631,000$19.7M0.26%+154,000+32.3%Added
Boxer Capital, LLC600,000$18.7M0.75%−257,000−30.0%Reduced
BlackRock Inc.567,572$17.7M0.00%+124,520+28.1%Added
Candriam Luxembourg S.C.A.530,511$16.6M0.11%−185,211−25.9%Reduced
Samlyn Capital, LLC521,640$16.3M0.25%+521,640New
D. E. Shaw & Co., Inc.475,140$14.8M0.02%+326,261+219.1%Added
DAFNA Capital Management LLC402,667$12.6M3.16%−3,868−1.0%Reduced
Renaissance Technologies LLC380,877$11.9M0.01%−238,200−38.5%Reduced
Soleus Capital Management, L.P.378,997$11.8M1.60%+163,300+75.7%Added
Parkman Healthcare Partners LLC360,502$11.3M2.55%+49,295+15.8%Added
Alliancebernstein L.P.294,098$9.19M0.00%+30,995+11.8%Added
Invesco Ltd.294,100$9.19M0.00%+294,100New
Dimensional Fund Advisors LP291,946$9.12M0.00%+140,749+93.1%Added
Two Sigma Investments, LP278,343$8.70M0.02%+108,667+64.0%Added
Acuta Capital Partners, LLC225,000$7.03M2.95%−192,409−46.1%Reduced
Granahan Investment Management Inc217,301$6.79M0.14%+133,447+159.1%Added
Eversept Partners, LP209,519$6.55M0.54%+209,519New
Nan Fung Group Holdings Ltd197,880$6.18M1.83%00.0%Unchanged
AXA S.A.195,048$6.09M0.02%+35,405+22.2%Added
Ikarian Capital, LLC179,138$5.60M1.60%−198,300−52.5%Reduced
Goldman Sachs Group Inc171,394$5.35M0.00%+75,409+78.6%Added
Altrinsic Global Advisors LLC170,000$5.31M0.17%00.0%Unchanged
State Street Corp161,249$5.04M0.00%+13,802+9.4%Added
Vanguard Group Inc153,366$4.79M0.00%+46,174+43.1%Added
Affinity Asset Advisors, LLC150,500$4.70M2.01%+100,500+201.0%Added
Two Sigma Advisers, LP126,600$3.96M0.01%−49,200−28.0%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
Millennium Management LLC90,621$2.83M0.00%−145,598−61.6%Reduced
Schonfeld Strategic Advisors LLC88,900$2.78M0.03%−31,221−26.0%Reduced
Swiss National Bank87,400$2.73M0.00%+24,000+37.9%Added
Knott David M Jr86,488$2.70M1.02%+86,488New
Polar Asset Management Partners Inc.78,300$2.45M0.03%+78,300New
Walleye Capital LLC71,984$2.25M0.07%+71,984New
Allianz Asset Management GmbH69,905$2.19M0.00%+69,905New
HighVista Strategies LLC62,906$1.97M1.56%−12,140−16.2%Reduced
Alps Advisors Inc59,702$1.86M0.02%+9,287+18.4%Added
Ameriprise Financial Inc58,321$1.82M0.00%+43,621+296.7%Added
Altshuler Shaham Ltd53,600$1.67M0.04%00.0%Unchanged
Russell Investments Group, Ltd.52,171$1.63M0.00%+52,171New
Northern Trust Corp50,596$1.58M0.00%+12,746+33.7%Added
CIBC World Markets Inc.49,634$1.55M0.01%+49,634New
Pura Vida Investments, LLC48,502$1.51M0.16%−1,498−3.0%Reduced
Voloridge Investment Management, LLC47,920$1.50M0.01%+47,920New
Bank of America Corp42,798$1.34M0.00%+28,411+197.5%Added
Cinctive Capital Management LP42,303$1.32M0.06%+42,303New
Bamco Inc42,000$1.31M0.00%+42,000New
Nuveen Asset Management, LLC41,884$1.31M0.00%+12,586+43.0%Added
Ensign Peak Advisors, Inc37,115$1.16M0.00%+5,600+17.8%Added
Teacher Retirement System of Texas37,028$1.16M0.01%+37,028New
Gyon Technologies Capital Management, LP36,279$1.13M0.21%+23,445+182.7%Added
Erste Asset Management GmbH35,000$1.10M0.02%+35,000New
Scotia Capital Inc.33,696$1.05M0.01%−3,440−9.3%Reduced
California State Teachers Retirement System33,508$1.05M0.00%+10,178+43.6%Added
Jump Financial, LLC31,300$978.0K0.06%+31,300New
Geode Capital Management, LLC28,198$880.0K0.00%+6,548+30.2%Added
UBS Asset Management Americas Inc28,062$876.7K0.00%+28,062New
International Biotechnology Trust PLC25,500$797.0K0.18%00.0%Unchanged
Shell Asset Management Co25,329$791.0K0.02%+164+0.7%Added
Tri Locum Partners LP25,043$782.0K0.31%−239,091−90.5%Reduced
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
Credit Suisse AG24,904$777.0K0.00%+6,206+33.2%Added
Sanders Morris Harris LLC24,500$771.0K0.13%00.0%Unchanged
Royal Bank of Canada24,313$760.0K0.00%−1,000−4.0%Reduced
Susquehanna Fundamental Investments, LLC20,866$652.0K0.02%00.0%Unchanged
Handelsbanken Fonder AB20,700$647.0K0.00%+20,700New
Boothbay Fund Management, LLC18,376$574.0K0.02%−32,948−64.2%Reduced
Elmwood Wealth Management, Inc.18,080$565.0K0.27%+18,080New
Cubist Systematic Strategies, LLC14,541$454.0K0.00%+6,653+84.3%Added
Qube Research & Technologies Ltd14,304$447.0K0.00%+14,304New
Guggenheim Capital LLC13,684$427.0K0.00%+3,609+35.8%Added
Brown Advisory Inc12,911$403.0K0.00%+12,911New
Sender Co & Partners, Inc.12,215$382.0K0.24%+12,215New
DekaBank Deutsche Girozentrale11,300$359.0K0.00%+300+2.7%Added
Stifel Financial Corp11,484$358.0K0.00%+556+5.1%Added
Supplemental Annuity Collective Trust of NJ11,000$344.0K0.11%00.0%Unchanged
Squarepoint Ops LLC11,014$344.0K0.00%+11,014New
Arizona State Retirement System10,679$334.0K0.00%+10,679New