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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 2023

Institutional positions in Xenon Pharmaceuticals Inc. as of Dec 31, 2023. 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
204
+26 vs. Q3 2023
Shares held
72.1M
+10.8M (+17.6%) vs. Q3 2023
Total value
$3.32B
+$1.23B (+58.6%) vs. Q3 2023
New holders
46
85 more added
Sold out
20
52 more reduced

3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 2023: 204 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 2023: $3.32B
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 2023

Shares, value and share of portfolio for each institution holding Xenon Pharmaceuticals Inc.; share changes are against Q3 2023.

Institutions holding XENE in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Avoro Capital Advisors LLC5,666,666$261.0M3.61%+766,666+15.6%Added
FMR LLC5,655,922$260.5M0.02%+1,403,056+33.0%Added
Driehaus Capital Management LLC4,345,180$200.1M2.41%−167,825−3.7%Reduced
Wellington Management Group LLP4,162,654$191.7M0.04%+2,434,546+140.9%Added
Polar Capital Holdings Plc3,066,628$141.2M0.98%+62,881+2.1%Added
Capital World Investors2,681,537$123.5M0.02%+406,563+17.9%Added
Capital International Investors2,455,683$113.1M0.03%+8,863+0.4%Added
Commodore Capital LP2,167,793$99.8M8.72%+322,793+17.5%Added
Paradigm Biocapital Advisors LP2,127,400$98.0M4.59%+635,565+42.6%Added
BlackRock Inc.2,067,063$95.2M0.00%+1,075,606+108.5%Added
Pictet Asset Management Holding SA2,040,400$94.0M0.10%+101,621+5.2%Added
Braidwell LP1,647,311$75.9M2.79%−456,085−21.7%Reduced
First Light Asset Management, LLC1,645,490$75.8M6.10%+1,043,420+173.3%Added
Alliancebernstein L.P.1,574,568$72.5M0.03%+490,231+45.2%Added
Marshall Wace, LLP1,528,648$70.4M0.13%−625,746−29.0%Reduced
Citadel Advisors LLC1,266,844$58.4M0.06%+543,320+75.1%Added
Rock Springs Capital Management LP1,255,577$57.8M1.43%+77,575+6.6%Added
Perceptive Advisors LLC1,100,748$50.7M1.13%+483,248+78.3%Added
Adage Capital Partners GP, L.L.C.1,048,725$48.3M0.10%+498,725+90.7%Added
Baker Bros. Advisors LP993,679$45.8M0.52%+242,040+32.2%Added
Janus Henderson Group PLC966,065$44.5M0.03%+583,760+152.7%Added
T. Rowe Price Investment Management, Inc.891,149$41.0M0.03%+891,149New
BVF Inc890,072$41.0M1.03%−937,886−51.3%Reduced
Point72 Asset Management, L.P.875,065$40.3M0.12%−250,643−22.3%Reduced
Avidity Partners Management LP815,993$37.6M1.44%+494,593+153.9%Added
TimesSquare Capital Management, LLC793,954$36.6M0.54%+203,379+34.4%Added
Invesco Ltd.719,718$33.2M0.01%+3,415+0.5%Added
Lord, Abbett & Co. LLC717,972$33.1M0.12%−431,196−37.5%Reduced
Loomis Sayles & Co L P708,295$32.6M0.05%−22,421−3.1%Reduced
First Turn Management, LLC680,389$31.3M4.50%+680,389New
Boxer Capital, LLC600,000$27.6M1.38%00.0%Unchanged
Great Point Partners LLC600,000$27.6M4.71%+99,999+20.0%Added
Jennison Associates LLC566,396$26.1M0.02%+352,573+164.9%Added
Fiera Capital Corp553,030$25.5M0.08%−7,516−1.3%Reduced
OrbiMed Advisors LLC550,000$25.3M0.51%−408,793−42.6%Reduced
Candriam Luxembourg S.C.A.530,884$24.5M0.17%−39,000−6.8%Reduced
Affinity Asset Advisors, LLC460,000$21.2M4.22%+159,562+53.1%Added
Samlyn Capital, LLC421,155$19.4M0.42%−530,600−55.7%Reduced
Dimensional Fund Advisors LP402,668$18.5M0.01%−24,457−5.7%Reduced
Goldman Sachs Group Inc376,302$17.3M0.00%+120,934+47.4%Added
Federated Hermes, Inc.346,596$16.0M0.04%+346,596New
Two Sigma Investments, LP340,015$15.7M0.04%+259,382+321.7%Added
Vanguard Group Inc323,495$14.9M0.00%+56,669+21.2%Added
Granahan Investment Management Inc302,581$13.9M0.46%+66,291+28.1%Added
Parkman Healthcare Partners LLC294,788$13.6M1.92%+78,144+36.1%Added
Franklin Resources Inc293,825$13.5M0.01%+121,213+70.2%Added
Altium Capital Management LP290,535$13.4M9.22%+62,535+27.4%Added
DAFNA Capital Management LLC276,739$12.7M3.05%−3,799−1.4%Reduced
Boone Capital Management LLC255,432$11.8M2.75%+255,432New
Two Sigma Advisers, LP252,700$11.6M0.03%+187,800+289.4%Added
Ally Bridge Group (NY) LLC241,961$11.1M8.02%−25,000−9.4%Reduced
Westfield Capital Management Co LP237,495$10.9M0.06%+237,495New
State Street Corp227,040$10.5M0.00%+14,670+6.9%Added
Tri Locum Partners LP225,564$10.4M5.10%+53,809+31.3%Added
Morgan Stanley225,147$10.4M0.00%−17,998−7.4%Reduced
Algert Global LLC217,320$10.0M0.40%+88,833+69.1%Added
Putnam Investments LLC215,545$9.93M0.01%+43,609+25.4%Added
Woodline Partners LP196,453$9.05M0.10%+53,002+36.9%Added
PFM Health Sciences, LP192,856$8.88M0.53%+114,269+145.4%Added
New York State Common Retirement Fund190,312$8.77M0.01%+5,680+3.1%Added
AXA S.A.187,821$8.65M0.03%−4,542−2.4%Reduced
Vestal Point Capital, LP175,000$8.06M0.85%+175,000New
Russell Investments Group, Ltd.174,286$8.03M0.01%+4,898+2.9%Added
ExodusPoint Capital Management, LP165,267$7.61M0.09%−194,571−54.1%Reduced
Ensign Peak Advisors, Inc164,380$7.57M0.01%00.0%Unchanged
Silverarc Capital Management, LLC163,168$7.52M2.32%+109,172+202.2%Added
Logos Global Management LP150,000$6.91M0.77%−300,000−66.7%Reduced
Bridger Management, LLC146,800$6.76M2.59%+146,800New
Bank of America Corp133,412$6.14M0.00%+9,445+7.6%Added
DnB Asset Management AS126,375$5.82M0.03%+4,605+3.8%Added
Swiss National Bank123,800$5.70M0.00%+12,100+10.8%Added
Barclays PLC111,990$5.16M0.00%+102,469+1,076.2%Added
Nan Fung Group Holdings Ltd106,680$4.91M3.06%00.0%Unchanged
Bamco Inc100,100$4.61M0.01%00.0%Unchanged
Assenagon Asset Management S.A.99,731$4.59M0.01%−47,962−32.5%Reduced
State of Wisconsin Investment Board95,336$4.39M0.01%−738−0.8%Reduced
Atika Capital Management LLC93,234$4.29M0.61%+93,234New
Schroder Investment Management Group91,500$4.21M0.01%+91,500New
Nicholas Investment Partners, LP87,752$4.04M0.47%−766,695−89.7%Reduced
Schonfeld Strategic Advisors LLC87,500$4.03M0.03%−111,484−56.0%Reduced
D. E. Shaw & Co., Inc.84,153$3.88M0.01%+43,606+107.5%Added
HRT Financial LP83,069$3.83M0.03%+47,859+135.9%Added
Credit Suisse AG81,795$3.77M0.00%+16,209+24.7%Added
UBS Asset Management Americas Inc77,484$3.57M0.00%+8,683+12.6%Added
Millennium Management LLC76,965$3.55M0.00%−18,528−19.4%Reduced
Laurion Capital Management LP75,000$3.45M0.12%+75,000New
State of New Jersey Common Pension Fund D71,013$3.27M0.01%+6,559+10.2%Added
Jefferies Financial Group Inc.66,723$3.07M0.05%+55,635+501.8%Added
Bank of New York Mellon Corp66,659$3.07M0.00%−100,690−60.2%Reduced
Moore Capital Management, LP65,000$2.99M0.07%+65,000New
Voya Investment Management LLC64,940$2.99M0.00%−2,200−3.3%Reduced
Geode Capital Management, LLC62,073$2.86M0.00%+6,128+11.0%Added
Northern Trust Corp61,971$2.85M0.00%−7,196−10.4%Reduced
Prudential Financial Inc59,000$2.72M0.00%+32,000+118.5%Added
Wells Fargo & Company58,423$2.69M0.00%−1,210−2.0%Reduced
Soleus Capital Management, L.P.58,000$2.67M0.30%+6,000+11.5%Added
California State Teachers Retirement System55,987$2.58M0.00%+11,037+24.6%Added
Legal & General Group Plc53,649$2.47M0.00%+8,936+20.0%Added
Susquehanna International Group, LLP52,951$2.44M0.00%+52,951New
JPMorgan Chase & Co52,788$2.43M0.00%+2,491+5.0%Added