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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, Q2 2026

Institutional positions in Xenon Pharmaceuticals Inc. as of Jun 30, 2026. 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
315
+27 vs. Q1 2026
Shares held
101.1M
+5.07M (+5.3%) vs. Q1 2026
Total value
$6.10B
+$538.5M (+9.7%) vs. Q1 2026
New holders
49
126 more added
Sold out
22
87 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 315 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 2026: $6.10B
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 2026

Shares, value and share of portfolio for each institution holding Xenon Pharmaceuticals Inc.; share changes are against Q1 2026.

Institutions holding XENE in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
ExodusPoint Capital Management, LP84,591$5.11M0.05%−88,834−51.2%Reduced
Royal Bank of Canada84,971$5.13M0.00%−5,416−6.0%Reduced
Raymond James Financial Inc86,461$5.22M0.00%−2,137−2.4%Reduced
Citigroup Inc92,124$5.56M0.00%+79,973+658.2%Added
California State Teachers Retirement System92,740$5.60M0.01%−70.0%Reduced
Vanguard Fiduciary Trust Co92,878$5.61M0.00%+17,761+23.6%Added
Alps Advisors Inc97,610$5.89M0.03%+29,887+44.1%Added
Burkehill Global Management, LP100,000$6.04M0.22%00.0%Unchanged
Sphera Funds Management Ltd.105,000$6.34M0.91%−22,000−17.3%Reduced
Axiom Investors LLC108,238$6.53M0.06%+8,670+8.7%Added
Mutual of America Capital Management LLC109,603$6.62M0.06%−5,991−5.2%Reduced
Squarepoint Ops LLC112,869$6.81M0.01%+112,869New
SEI Investments Co119,251$7.20M0.01%+4,870+4.3%Added
Schroder Investment Management Group121,819$7.32M0.01%+40,663+50.1%Added
Rhumbline Advisers123,398$7.45M0.01%+21,613+21.2%Added
KBC Group NV129,010$7.79M0.02%00.0%Unchanged
Granahan Investment Management Inc129,443$7.81M0.28%+24,965+23.9%Added
Point72 Asset Management, L.P.130,378$7.87M0.01%+130,378New
Susquehanna Portfolio Strategies, LLC133,059$8.03M0.13%+114,591+620.5%Added
HSBC Holdings PLC151,474$9.14M0.00%+29,916+24.6%Added
Russell Investments Group, Ltd.153,227$9.25M0.01%+23,828+18.4%Added
Woodline Partners LP155,302$9.37M0.03%+5,000+3.3%Added
Foresite Capital Management IV, LLC160,000$9.66M3.33%00.0%Unchanged
Swiss National Bank162,700$9.82M0.01%+5,000+3.2%Added
Peregrine Capital Management LLC164,894$9.95M0.32%+21,758+15.2%Added
ADAR1 Capital Management, LLC166,550$10.1M0.47%−62,349−27.2%Reduced
Wells Fargo & Company173,945$10.5M0.00%+58,293+50.4%Added
NEXTBio Capital Management LP183,225$11.1M5.09%00.0%Unchanged
Boothbay Fund Management, LLC183,343$11.1M0.21%−87,069−32.2%Reduced
Silverarc Capital Management, LLC186,821$11.3M1.26%−10,938−5.5%Reduced
Renaissance Technologies LLC187,110$11.3M0.02%−113,390−37.7%Reduced
Deutsche Bank AG191,126$11.5M0.00%+28,444+17.5%Added
Balyasny Asset Management LLC193,407$11.7M0.02%−40,498−17.3%Reduced
Eversept Partners, LP196,532$11.9M0.65%+66,958+51.7%Added
Integral Health Asset Management, LLC200,000$12.1M0.50%00.0%Unchanged
DnB Asset Management AS200,451$12.1M0.03%+19,366+10.7%Added
Trexquant Investment LP202,455$12.2M0.08%+135,094+200.6%Added
Neuberger Berman Group LLC206,604$12.5M0.01%+76,166+58.4%Added
Jennison Associates LLC208,060$12.6M0.01%−1,110,754−84.2%Reduced
New York State Common Retirement Fund210,471$12.7M0.02%+21,966+11.7%Added
Patient Square Capital LP220,000$13.3M2.06%−7,000−3.1%Reduced
D. E. Shaw & Co., Inc.223,922$13.5M0.01%+204,982+1,082.3%Added
Schonfeld Strategic Advisors LLC227,330$13.7M0.07%−97,392−30.0%Reduced
Redmile Group, LLC229,374$13.8M0.93%−33,300−12.7%Reduced
Allspring Global Investments Holdings, LLC234,412$14.1M0.02%−11,894−4.8%Reduced
Duquesne Family Office LLCSuperinvestorDuquesne Family Office238,600$14.4M0.33%00.0%Unchanged
Nan Fung Trinity (HK) Ltd247,765$15.0M1.48%00.0%Unchanged
State of Wisconsin Investment Board248,821$15.0M0.03%−5,662−2.2%Reduced
Charles Schwab Investment Management Inc249,473$15.1M0.00%+60,393+31.9%Added
DAFNA Capital Management LLC250,772$15.1M2.89%00.0%Unchanged
Jump Financial, LLC260,730$15.7M0.14%+104,954+67.4%Added
Soleus Capital Management, L.P.267,000$16.1M0.56%−25,000−8.6%Reduced
Adage Capital Partners GP, L.L.C.300,000$18.1M0.03%−170,000−36.2%Reduced
Man Group plc310,617$18.7M0.03%+310,617New
Ameriprise Financial Inc318,548$19.2M0.00%+239,643+303.7%Added
Jones Hill Capital LP367,900$22.2M4.72%+367,900New
Baker Bros. Advisors LP370,208$22.3M0.11%00.0%Unchanged
UBS Asset Management Americas Inc374,748$22.6M0.00%−418−0.1%Reduced
Millennium Management LLC376,777$22.7M0.02%+174,992+86.7%Added
Nicholas Investment Partners, LP395,844$23.9M1.35%+148,743+60.2%Added
Parkman Healthcare Partners LLC397,379$24.0M2.46%−99,656−20.1%Reduced
Bank of America Corp404,067$24.4M0.00%+138,800+52.3%Added
Fiera Capital Corp405,638$24.5M0.09%−303,891−42.8%Reduced
Morgan Stanley406,257$24.5M0.00%−67,502−14.2%Reduced
Standard Life Aberdeen plc408,736$24.7M0.03%−201,193−33.0%Reduced
Algert Global LLC419,773$25.3M0.30%+155,573+58.9%Added
Bank of New York Mellon Corp421,518$25.4M0.00%+25,380+6.4%Added
Trails Edge Capital Partners, LP440,000$26.6M4.22%00.0%Unchanged
Logos Global Management LP450,000$27.2M1.17%00.0%Unchanged
TimesSquare Capital Management, LLC451,593$27.3M0.40%+92,300+25.7%Added
Candriam Luxembourg S.C.A.462,768$27.9M0.13%−13,726−2.9%Reduced
Novo Holdings A/S485,438$29.3M1.71%00.0%Unchanged
Octagon Capital Advisors LP490,000$29.6M2.71%00.0%Unchanged
Loomis Sayles & Co L P527,273$31.8M0.04%−37,624−6.7%Reduced
Tudor Investment Corp Et Al545,387$32.9M0.14%+49,796+10.0%Added
First Turn Management, LLC600,200$36.2M3.88%−186,644−23.7%Reduced
Panagora Asset Management Inc664,031$40.1M0.12%+664,031New
Northern Trust Corp671,566$40.5M0.00%+143,783+27.2%Added
Rock Springs Capital Management LP683,907$41.3M2.01%−79,113−10.4%Reduced
Marshall Wace, LLP689,342$41.6M0.04%+689,342New
Alyeska Investment Group, L.P.697,692$42.1M0.11%−601,777−46.3%Reduced
Vestal Point Capital, LP700,000$42.3M0.99%+60,100+9.4%Added
Vanguard Portfolio Management LLC749,651$45.2M0.00%+206,589+38.0%Added
Goldman Sachs Group Inc773,625$46.7M0.00%+3,750+0.5%Added
Capital World Investors862,775$52.1M0.01%+22,703+2.7%Added
Federated Hermes, Inc.883,737$53.3M0.08%−88,500−9.1%Reduced
American Century Companies Inc884,319$53.4M0.02%+205,005+30.2%Added
Caligan Partners LP889,944$53.7M2.59%−503,083−36.1%Reduced
OrbiMed Advisors LLC892,471$53.9M1.02%−167,500−15.8%Reduced
Invesco Ltd.903,458$54.5M0.00%+844,355+1,428.6%Added
Nuveen, LLC993,126$59.9M0.01%+743,090+297.2%Added
Braidwell LP1,131,452$68.3M2.53%−207,000−15.5%Reduced
Pictet Asset Management Holding SA1,187,723$71.6M0.07%+508,014+74.7%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,290,731$77.9M0.08%−51,297−3.8%Reduced
Siren, L.L.C.1,318,564$79.6M1.62%00.0%Unchanged
Geode Capital Management, LLC1,370,114$82.7M0.00%+277,182+25.4%Added
Citadel Advisors LLC1,401,242$84.6M0.05%−1,251,748−47.2%Reduced
Wellington Management Group LLP1,425,492$86.0M0.01%−3,404,149−70.5%Reduced
Franklin Resources Inc1,437,712$86.8M0.02%+157,135+12.3%Added
Alliancebernstein L.P.1,562,276$90.8M0.03%+158,979+11.3%Added