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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, Q1 2025

Institutional positions in Xenon Pharmaceuticals Inc. as of Mar 31, 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
−3 vs. Q4 2024
Shares held
76.7M
+410.6K (+0.5%) vs. Q4 2024
Total value
$2.58B
−$414.7M (−13.9%) vs. Q4 2024
New holders
20
69 more added
Sold out
23
73 more reduced

Compare with Q4 2024: 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 holdersQ1 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 heldQ1 2025: $2.58B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Xenon Pharmaceuticals Inc.; share changes are against Q4 2024.

Institutions holding XENE in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC8,287,499$278.0M0.02%+762,209+10.1%Added
Avoro Capital Advisors LLC5,741,666$192.6M3.01%+75,000+1.3%Added
Driehaus Capital Management LLC4,584,859$153.8M1.48%+64,264+1.4%Added
Wellington Management Group LLP3,789,197$127.1M0.02%+11,586+0.3%Added
Janus Henderson Group PLC3,325,093$113.9M0.06%+458,338+16.0%Added
Capital International Investors3,088,730$103.6M0.02%+541,520+21.3%Added
Braidwell LP2,709,875$90.9M3.20%−204,089−7.0%Reduced
Polar Capital Holdings Plc2,623,039$88.0M0.54%−74,618−2.8%Reduced
Commodore Capital LP2,325,000$78.0M5.75%−415,000−15.1%Reduced
Capital World Investors2,224,715$74.6M0.01%−69,822−3.0%Reduced
BlackRock, Inc.2,036,125$68.3M0.00%−69,111−3.3%Reduced
Adage Capital Partners GP, L.L.C.1,914,749$64.2M0.12%+51,276+2.8%Added
Pictet Asset Management Holding SA1,477,617$49.6M0.06%−18,894−1.3%Reduced
Westfield Capital Management Co LP1,391,370$46.7M0.23%+234,181+20.2%Added
JPMorgan Chase & Co1,357,602$45.5M0.00%+707+0.1%Added
Alliancebernstein L.P.1,329,386$44.6M0.02%−113,794−7.9%Reduced
Affinity Asset Advisors, LLC1,328,175$44.6M6.98%+166,938+14.4%Added
Vestal Point Capital, LP1,300,000$43.6M3.11%+490,000+60.5%Added
Samlyn Capital, LLC1,016,381$34.1M0.56%−1,457−0.1%Reduced
Deep Track Capital, LP1,000,000$33.5M1.09%+830,868+491.3%Added
OrbiMed Advisors LLC947,877$31.8M0.76%00.0%Unchanged
Rock Springs Capital Management LP931,681$31.3M1.79%−320,178−25.6%Reduced
T. Rowe Price Investment Management, Inc.796,986$26.7M0.02%−640,845−44.6%Reduced
Jennison Associates LLC776,693$26.1M0.02%−24,860−3.1%Reduced
Marshall Wace, LLP758,145$25.4M0.03%−141,573−15.7%Reduced
TimesSquare Capital Management, LLC745,551$25.0M0.40%−103,299−12.2%Reduced
Siren, L.L.C.732,761$24.6M1.39%−11,008−1.5%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.703,795$23.6M0.06%+40,091+6.0%Added
Citadel Advisors LLC687,088$23.1M0.02%+359,785+109.9%Added
First Turn Management, LLC683,451$22.9M4.62%−1,535−0.2%Reduced
Loomis Sayles & Co L P673,011$22.6M0.03%−14,134−2.1%Reduced
Logos Global Management LP650,000$21.8M3.88%+650,000New
First Light Asset Management, LLC627,904$21.1M2.41%−532,676−45.9%Reduced
Boxer Capital Management, LLC600,000$20.1M6.05%00.0%Unchanged
Fiera Capital Corp529,442$17.8M0.06%−6,445−1.2%Reduced
Franklin Resources Inc491,120$16.5M0.00%−84,470−14.7%Reduced
Candriam Luxembourg S.C.A.454,650$15.3M0.10%−37,531−7.6%Reduced
Goldman Sachs Group Inc442,732$14.9M0.00%+32,486+7.9%Added
Saturn V Capital Management LLC413,711$13.9M7.00%+91,241+28.3%Added
Standard Life Aberdeen plc404,154$13.6M0.03%+120,255+42.4%Added
Alyeska Investment Group, L.P.367,233$12.3M0.05%+78,390+27.1%Added
Baker Bros. Advisors LP347,408$11.7M0.13%−646,271−65.0%Reduced
Vanguard Group Inc336,514$11.3M0.00%−6,265−1.8%Reduced
Perceptive Advisors LLC325,324$10.9M0.39%00.0%Unchanged
State Street Corp305,620$10.3M0.00%+16,898+5.9%Added
MPM Oncology Impact Management LP303,398$10.2M1.75%+106,186+53.8%Added
Two Sigma Advisers, LP298,800$10.0M0.02%+1000.0%Added
StemPoint Capital LP274,633$9.21M2.94%−101,212−26.9%Reduced
DAFNA Capital Management LLC273,739$9.18M2.60%00.0%Unchanged
Balyasny Asset Management LLC267,142$8.96M0.02%+82,562+44.7%Added
Bank of New York Mellon Corp251,147$8.43M0.00%+204,550+439.0%Added
Great Point Partners LLC245,272$8.23M4.47%00.0%Unchanged
Assenagon Asset Management S.A.241,206$8.09M0.01%+2,684+1.1%Added
Two Sigma Investments, LP236,983$7.95M0.02%−36,369−13.3%Reduced
Millennium Management LLC234,056$7.85M0.01%−111,984−32.4%Reduced
Federated Hermes, Inc.232,500$7.80M0.02%−326,000−58.4%Reduced
DnB Asset Management AS229,482$7.70M0.04%+26,239+12.9%Added
Avidity Partners Management LP229,000$7.68M1.58%−245,000−51.7%Reduced
Dimensional Fund Advisors LP214,860$7.21M0.00%−45,110−17.4%Reduced
Point72 Asset Management, L.P.209,759$7.04M0.02%+209,759New
Invesco Ltd.205,763$6.90M0.00%−3,791−1.8%Reduced
Granahan Investment Management Inc183,808$6.17M0.31%+1,475+0.8%Added
AXA S.A.175,350$5.88M0.02%−12,446−6.6%Reduced
Parkman Healthcare Partners LLC174,576$5.86M0.69%−18,428−9.5%Reduced
Nan Fung Group Holdings Ltd158,605$5.32M4.34%+51,925+48.7%Added
Renaissance Technologies LLC154,700$5.19M0.01%+141,000+1,029.2%Added
D. E. Shaw & Co., Inc.152,188$5.11M0.01%+65,215+75.0%Added
Bridger Management, LLC146,800$4.93M2.45%00.0%Unchanged
New York State Common Retirement Fund142,372$4.78M0.01%+9,851+7.4%Added
Schroder Investment Management Group137,221$4.70M0.00%−39,453−22.3%Reduced
Bank of America Corp136,569$4.58M0.00%+29,663+27.7%Added
Morgan Stanley129,491$4.34M0.00%+61,429+90.3%Added
ADAR1 Capital Management, LLC127,548$4.28M0.82%+77,001+152.3%Added
Swiss National Bank125,600$4.21M0.00%−1,000−0.8%Reduced
Algert Global LLC123,415$4.14M0.10%−118,002−48.9%Reduced
UBS Group AG105,333$3.53M0.00%+98,628+1,471.0%Added
Ameriprise Financial Inc103,624$3.48M0.00%+11,274+12.2%Added
Bamco Inc100,100$3.36M0.01%00.0%Unchanged
State of Wisconsin Investment Board97,149$3.26M0.01%+565+0.6%Added
PFM Health Sciences, LP92,236$3.09M0.24%−24,762−21.2%Reduced
Lord, Abbett & Co. LLC87,981$2.95M0.01%−106,990−54.9%Reduced
Nicholas Investment Partners, LP86,968$2.92M0.30%+72,310+493.3%Added
Northern Trust Corp81,024$2.72M0.00%+15,241+23.2%Added
Russell Investments Group, Ltd.75,341$2.53M0.00%−138,355−64.7%Reduced
Ally Bridge Group (NY) LLC69,603$2.34M2.11%−59,688−46.2%Reduced
Geode Capital Management, LLC69,597$2.33M0.00%+68+0.1%Added
HighVista Strategies LLC66,788$2.24M0.86%00.0%Unchanged
Wells Fargo & Company65,912$2.21M0.00%+6,392+10.7%Added
UBS Asset Management Americas Inc63,568$2.13M0.00%−128,284−66.9%Reduced
Raymond James Financial Inc63,385$2.13M0.00%+43,054+211.8%Added
Legal & General Group Plc60,406$2.03M0.00%00.0%Unchanged
Altium Capital Management LP60,251$2.02M5.87%−227,749−79.1%Reduced
Royal Bank of Canada59,366$1.99M0.00%−702−1.2%Reduced
Harbor Capital Advisors, Inc.56,591$1.90M0.09%+6,773+13.6%Added
California State Teachers Retirement System55,492$1.86M0.00%00.0%Unchanged
Alps Advisors Inc55,332$1.86M0.01%−6,316−10.2%Reduced
Moore Capital Management, LP55,000$1.85M0.06%00.0%Unchanged
Deutsche Bank AG53,711$1.80M0.00%00.0%Unchanged
Erste Asset Management GmbH50,000$1.71M0.02%00.0%Unchanged
State of New Jersey Common Pension Fund D50,417$1.69M0.01%−3,616−6.7%Reduced