Skip to main content

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, Q2 2025

Institutional positions in Xenon Pharmaceuticals Inc. as of Jun 30, 2025. 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
206
+2 vs. Q1 2025
Shares held
83.1M
+6.43M (+8.4%) vs. Q1 2025
Total value
$2.60B
+$26.6M (+1.0%) vs. Q1 2025
New holders
42
77 more added
Sold out
40
55 more reduced

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 206 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 heldQ2 2025: $2.60B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Xenon Pharmaceuticals Inc.; share changes are against Q1 2025.

Institutions holding XENE in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
MetLife Investment Management45,547$1.43M0.01%+45,547New
HighVista Strategies LLC45,620$1.43M0.52%−21,168−31.7%Reduced
Skandinaviska Enskilda Banken AB (publ)47,457$1.49M0.01%00.0%Unchanged
Prudential Financial Inc47,755$1.53M0.00%+8,755+22.4%Added
Erste Asset Management GmbH50,000$1.62M0.01%00.0%Unchanged
Russell Investments Group, Ltd.52,136$1.63M0.00%−23,205−30.8%Reduced
Bamco Inc56,000$1.75M0.00%−44,100−44.1%Reduced
Voya Investment Management LLC59,465$1.86M0.00%+11,400+23.7%Added
Invesco Ltd.59,598$1.87M0.00%−146,165−71.0%Reduced
Nebula Research & Development LLC60,223$1.88M0.16%+13,662+29.3%Added
California State Teachers Retirement System60,233$1.89M0.00%+4,741+8.5%Added
State of New Jersey Common Pension Fund D61,772$1.93M0.01%+11,355+22.5%Added
Man Group plc62,348$1.95M0.00%+62,348New
Raymond James Financial Inc65,214$2.04M0.00%+1,829+2.9%Added
Balyasny Asset Management LLC68,869$2.16M0.00%−198,273−74.2%Reduced
Nicholas Investment Partners, LP68,896$2.16M0.19%−18,072−20.8%Reduced
T. Rowe Price Investment Management, Inc.76,943$2.41M0.00%−720,043−90.3%Reduced
Soleus Capital Management, L.P.78,800$2.47M0.17%+78,800New
Legal & General Group Plc81,792$2.56M0.00%+21,386+35.4%Added
J. Safra Sarasin Holding AG82,048$2.57M0.04%+51,475+168.4%Added
Moore Capital Management, LP90,000$2.82M0.06%+35,000+63.6%Added
Two Sigma Advisers, LP95,300$2.98M0.01%−203,500−68.1%Reduced
Mutual of America Capital Management LLC95,568$2.99M0.03%+46,805+96.0%Added
Caption Management, LLC100,940$3.16M0.29%+100,940New
Algert Global LLC102,345$3.20M0.07%−21,070−17.1%Reduced
Deutsche Bank AG104,534$3.27M0.00%+50,823+94.6%Added
Avidity Partners Management LP107,891$3.38M0.68%−121,109−52.9%Reduced
Rhumbline Advisers109,700$3.43M0.00%+109,671+378,175.9%Added
Wells Fargo & Company112,562$3.52M0.00%+46,650+70.8%Added
Citadel Advisors LLC120,045$3.76M0.00%−567,043−82.5%Reduced
Ameriprise Financial Inc122,026$3.82M0.00%+18,402+17.8%Added
Swiss National Bank124,300$3.89M0.00%−1,300−1.0%Reduced
Schroder Investment Management Group129,103$4.04M0.00%−8,118−5.9%Reduced
D. E. Shaw & Co., Inc.141,783$4.44M0.00%−10,405−6.8%Reduced
Royal Bank of Canada147,226$4.61M0.00%+87,860+148.0%Added
Neuberger Berman Group LLC147,411$4.61M0.00%+102,559+228.7%Added
Parkman Healthcare Partners LLC150,373$4.71M0.54%−24,203−13.9%Reduced
Barclays PLC152,770$4.78M0.00%+133,500+692.8%Added
UBS Group AG153,058$4.79M0.00%+47,725+45.3%Added
Nan Fung Trinity (HK) Ltd158,605$4.96M0.59%+158,605New
Foresite Capital Management IV, LLC160,000$5.01M4.05%+160,000New
Foresite Capital Management VI LLC160,000$5.01M2.82%+160,000New
New York State Common Retirement Fund166,472$5.21M0.01%+24,100+16.9%Added
State of Wisconsin Investment Board174,850$5.47M0.01%+77,701+80.0%Added
AXA S.A.175,632$5.50M0.02%+282+0.2%Added
First Light Asset Management, LLC188,367$5.90M0.76%−439,537−70.0%Reduced
Charles Schwab Investment Management Inc192,242$6.02M0.00%+192,242New
Great Point Partners LLC200,000$6.26M4.07%−45,272−18.5%Reduced
Perceptive Advisors LLC200,791$6.28M0.24%−124,533−38.3%Reduced
Susquehanna International Group, LLP222,352$6.96M0.01%+222,352New
Nuveen, LLC228,567$7.15M0.00%+228,567New
Federated Hermes, Inc.232,500$7.28M0.01%00.0%Unchanged
DnB Asset Management AS234,157$7.33M0.03%+4,675+2.0%Added
Granahan Investment Management Inc240,038$7.51M0.31%+56,230+30.6%Added
ADAR1 Capital Management, LLC259,503$8.12M1.32%+131,955+103.5%Added
DAFNA Capital Management LLC287,939$9.01M2.49%+14,200+5.2%Added
MPM Oncology Impact Management LP323,398$10.1M1.75%+20,000+6.6%Added
Bank of America Corp358,432$11.2M0.00%+221,863+162.5%Added
Baker Bros. Advisors LP370,208$11.6M0.11%+22,800+6.6%Added
Dimensional Fund Advisors LP379,988$11.9M0.00%+165,128+76.9%Added
Morgan Stanley387,596$12.1M0.00%+258,105+199.3%Added
Candriam Luxembourg S.C.A.396,636$12.4M0.07%−58,014−12.8%Reduced
UBS Asset Management Americas Inc404,384$12.7M0.00%+340,816+536.1%Added
Bank of New York Mellon Corp436,020$13.6M0.00%+184,873+73.6%Added
Assenagon Asset Management S.A.436,974$13.7M0.02%+195,768+81.2%Added
Saturn V Capital Management LLC468,364$14.7M5.94%+54,653+13.2%Added
Northern Trust Corp489,940$15.3M0.00%+408,916+504.7%Added
Standard Life Aberdeen plc521,492$16.3M0.03%+117,338+29.0%Added
Fiera Capital Corp530,683$16.6M0.06%+1,241+0.2%Added
Deerfield Management Company, L.P. (Series C)542,020$17.0M0.31%+542,020New
Goldman Sachs Group Inc561,800$17.6M0.00%+119,068+26.9%Added
TimesSquare Capital Management, LLC571,242$17.9M0.26%−174,309−23.4%Reduced
Capital World Investors655,737$20.5M0.00%−1,568,978−70.5%Reduced
Loomis Sayles & Co L P657,165$20.6M0.03%−15,846−2.4%Reduced
First Turn Management, LLC660,617$20.7M3.86%−22,834−3.3%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.661,082$20.7M0.05%−42,713−6.1%Reduced
Franklin Resources Inc666,466$20.9M0.01%+175,346+35.7%Added
American Century Companies Inc679,857$21.3M0.01%+679,857New
Jennison Associates LLC696,383$21.8M0.01%−80,310−10.3%Reduced
Siren, L.L.C.812,761$25.4M1.32%+80,000+10.9%Added
Vanguard Group Inc873,228$27.3M0.00%+536,714+159.5%Added
Millennium Management LLC882,835$27.6M0.02%+648,779+277.2%Added
Rock Springs Capital Management LP931,681$29.2M1.82%00.0%Unchanged
OrbiMed Advisors LLC947,877$29.7M0.75%00.0%Unchanged
Geode Capital Management, LLC970,343$30.4M0.00%+900,746+1,294.2%Added
Marshall Wace, LLP1,020,254$31.9M0.04%+262,109+34.6%Added
Affinity Asset Advisors, LLC1,100,000$34.4M5.09%−228,175−17.2%Reduced
Westfield Capital Management Co LP1,152,605$36.1M0.15%−238,765−17.2%Reduced
JPMorgan Chase & Co1,256,581$39.3M0.00%−101,021−7.4%Reduced
Adage Capital Partners GP, L.L.C.1,290,100$40.4M0.07%−624,649−32.6%Reduced
Deep Track Capital, LP1,350,000$42.3M1.36%+350,000+35.0%Added
State Street Corp1,380,460$43.2M0.00%+1,074,840+351.7%Added
Pictet Asset Management Holding SA1,474,449$46.2M0.05%−3,168−0.2%Reduced
Alliancebernstein L.P.1,518,527$47.5M0.02%+189,141+14.2%Added
Holocene Advisors, LP1,809,475$56.6M0.14%+1,809,475New
Vestal Point Capital, LP2,000,000$62.6M3.30%+700,000+53.8%Added
Wellington Management Group LLP2,174,761$68.1M0.01%−1,614,436−42.6%Reduced
Polar Capital Holdings Plc2,703,256$84.6M0.44%+80,217+3.1%Added
Commodore Capital LP3,025,000$94.7M6.68%+700,000+30.1%Added
Capital International Investors3,181,549$99.6M0.02%+92,819+3.0%Added