Xenon PharmaceuticalsXENE

13F holders, Q4 2025 (December 31)
245holders +26
43new positions
21sold out
5famous investors
$44.81avg. 13F price*

At the end of Q4 2025, 245 institutions reported holding Xenon Pharmaceuticals Inc. (XENE) in their 13F filings, up 26 from Q3 2025. 43 opened new positions and 21 sold out. The largest holders were FMR LLC ($399.8M), Avoro Capital Advisors LLC ($243.1M) and BlackRock, Inc. ($228.6M). 5 famous investors held it, including Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Xenon Pharmaceuticals Inc.
CUSIP
98420N105
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q1 2024: 220Q1 2024Q2 2024: 213Q2 2024Q3 2024: 203Q3 2024Q4 2024: 209Q4 2024Q1 2025: 206Q1 2025Q2 2025: 206Q2 2025Q3 2025: 219Q3 2025Q4 2025: 245Q4 2025Q1 2026: 290Q1 2026Q2 2026: 315Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions43$89.0M
Exits21$56.4M

All 13F filers, Q3 2025 → Q4 2025: 9,128,996 shares bought and 9,774,866 shares sold, net −645,870 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 245 holders

FMR LLC 0.02% Add +0.0% 8,920,250 $399.8M
Avoro Capital Advisors LLC 2.39% Add +0.5% 5,424,444 $243.1M
BlackRock, Inc. 0.00% Add +6.9% 5,100,284 $228.6M
Wellington Management Group LLP 0.04% Add +32.0% 4,764,779 $213.6M
Driehaus Capital Management LLC 1.38% Add +8.9% 4,538,691 $203.4M
Janus Henderson Group PLC 0.08% Add +3.5% 4,084,034 $183.1M
Capital International Investors 0.02% Add +7.3% 3,414,959 $153.1M
Polar Capital Holdings Plc 0.51% Reduce -3.2% 2,465,694 $110.5M
Braidwell LP 3.13% Reduce -49.4% 1,825,076 $81.8M
Commodore Capital LP 5.37% Reduce -33.3% 1,800,000 $80.7M
Alliancebernstein L.P. 0.02% Reduce -3.7% 1,593,814 $71.4M
JPMorgan Chase & Co. 0.00% Add +6.8% 1,494,032 $67.0M
State Street Corp. 0.00% Add +1.8% 1,492,550 $66.9M
Citadel Advisors 0.04% Add +37.8% 1,321,213 $59.2M
Jennison Associates LLC 0.03% Add +13.8% 1,292,055 $57.9M
Holocene Advisors, LP 0.12% Reduce -35.1% 1,282,081 $57.5M
Affinity Asset Advisors, LLC 4.15% Reduce -10.7% 1,250,000 $56.0M
Westfield Capital Management Co. LP 0.23% Add +1.7% 1,226,771 $55.0M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.05% Add +58.2% 1,060,221 $47.5M
Geode Capital Management, LLC 0.00% Reduce -2.5% 952,679 $42.7M
T. Rowe Price Associates Inc. 0.00% Add +1968.3% 862,300 $38.6M
Siren, L.L.C. 1.09% No change 812,761 $36.4M
First Turn Management, LLC 4.10% No change 799,743 $35.8M
Rock Springs Capital Management LP 1.82% Reduce -7.5% 787,788 $35.3M
Franklin Resources Inc. 0.01% Add +8.9% 758,059 $34.0M
Aberdeen Group plc 0.05% Add +29.6% 750,291 $33.6M
Goldman Sachs Group Inc. 0.00% Reduce -3.4% 696,047 $31.2M
Fiera Capital Corp 0.10% Add +31.9% 686,056 $30.7M
Adage Capital Partners Gp, L.L.C. 0.05% Reduce -18.0% 685,100 $30.7M
American Century Companies Inc. 0.02% Add +3.2% 680,473 $30.5M
Federated Hermes, Inc. 0.05% Add +189.1% 672,237 $30.1M
Vanguard Group Inc. 0.00% Reduce -21.9% 664,641 $29.8M
Capital World Investors 0.00% No change 655,737 $29.4M
Millennium Management 0.02% Reduce -54.1% 635,056 $28.5M
Pictet Asset Management Holding SA 0.03% Reduce -50.4% 625,985 $28.0M
Loomis Sayles & Co. L P 0.03% Reduce -4.5% 612,032 $27.4M
Barclays PLC 0.01% Add +439.9% 600,964 $26.9M
Vestal Point Capital, LP 0.99% Reduce -45.5% 600,000 $26.9M
Trails Edge Capital Partners, LP 6.61% — 597,092 $26.8M
Caligan Partners LP 2.26% Add +23.6% 549,665 $24.6M
T. Rowe Price Investment Management, Inc. 0.02% Reduce -8.6% 547,613 $24.5M
Deerfield Management Company, L.P. 0.36% No change 542,020 $24.3M
TimesSquare Capital Management, LLC 0.36% Reduce -4.3% 532,740 $23.9M
MPM Bioimpact LLC 2.49% Reduce -3.5% 485,620 $21.8M
Dimensional Fund Advisors LP 0.00% Reduce -0.4% 452,147 $20.3M
Orbimed Advisors LLC 0.41% Add +6.6% 447,200 $20.0M
Northern Trust Corp. 0.00% Reduce -11.9% 438,714 $19.7M
Two Sigma Investments, LP 0.03% New 436,743 $19.6M
Candriam S.C.A. 0.09% Add +5.2% 417,402 $18.7M
Bank of New York Mellon Corp 0.00% Reduce -7.5% 387,158 $17.4M
Baker Bros. Advisors LP 0.10% No change 370,208 $16.6M
Deep Track Capital, LP 0.37% Reduce -69.5% 366,435 $16.4M
Stempoint Capital LP 2.68% Add +81.3% 348,605 $15.6M
Morgan Stanley 0.00% Reduce -19.7% 294,332 $13.2M
DAFNA Capital Management LLC 3.04% No change 287,939 $12.9M
DNB Asset Management AS 0.04% Add +9.5% 272,831 $12.2M
Two Sigma Advisers, LP 0.02% Add +1332.7% 259,320 $11.6M
Tudor Investment Corporation 0.06% Add +230.6% 254,002 $11.4M
Nicholas Investment Partners, LP 0.90% Add +104.0% 242,989 $10.9M
Iron Triangle Partners LP 1.20% New 233,688 $10.5M
Eversept Partners, LP 0.58% New 231,380 $10.4M
Nan Fung Trinity (hk) Ltd. 0.81% Add +43.1% 226,965 $10.2M
Bank of America Corp. 0.00% Add +11.2% 221,368 $9.9M
Nuveen, LLC 0.00% Reduce -3.6% 216,238 $9.7M
State of Wisconsin Investment Board 0.02% Reduce -1.4% 205,569 $9.2M
ADAR1 Capital Management, LLC 0.68% Add +7.9% 203,969 $9.1M
Perceptive Advisors LLC 0.17% No change 200,791 $9.0M
Deutsche Bank AG 0.00% Add +68.4% 190,233 $8.5M
Charles Schwab Investment Management Inc. 0.00% Add +0.2% 189,059 $8.5M
New York State Common Retirement Fund 0.01% Add +8.7% 186,705 $8.4M
NEXTBio Capital Management LP 4.83% — 183,704 $8.2M
Neuberger Berman Group LLC 0.01% Add +3.7% 178,747 $8.0M
Peregrine Capital Management LLC 0.24% New 174,851 $7.8M
Jain Global LLC 0.08% Reduce -31.1% 173,882 $7.8M
Marshall Wace, LLP 0.01% Reduce -73.4% 162,551 $7.3M
Foresite Capital Management IV, LLC 3.12% No change 160,000 $7.2M
Parkman Healthcare Partners LLC 0.66% Reduce -12.5% 154,184 $6.9M
Wells Fargo & Company 0.00% Add +32.2% 152,297 $6.8M
Moore Capital Management, LP 0.13% No change 140,000 $6.3M
Rhenman & Partners Asset Management AB 0.58% Add +71.6% 139,000 $6.2M
Patient Square Capital LP 1.31% New 136,500 $6.1M
Redmile Group, LLC 0.44% New 133,882 $6.0M
Algert Global LLC 0.09% Add +127.1% 123,189 $5.5M
Assenagon Asset Management S.A. 0.01% New 119,186 $5.3M
Mutual of America Capital Management LLC 0.05% Add +22.3% 116,088 $5.2M
Man Group plc 0.01% Add +396.7% 114,826 $5.1M
Swiss National Bank 0.00% Reduce -9.8% 114,000 $5.1M
Ameriprise Financial Inc. 0.00% Add +12.3% 109,544 $4.9M
Squadron Capital Management LLC 2.11% — 105,551 $4.7M
Palo Alto Investors LP 0.60% New 96,519 $4.3M
Verition Fund Management LLC 0.02% Add +64.2% 93,756 $4.2M
BNP Paribas Financial Markets 0.00% Reduce -41.3% 93,462 $4.2M
Granahan Investment Management, LLC 0.18% Add +6.1% 92,778 $4.2M
Atika Capital Management LLC 0.58% Add +143.4% 92,506 $4.1M
Rhumbline Advisers 0.00% Reduce -15.6% 90,143 $4.0M
Royal Bank of Canada 0.00% Reduce -25.5% 89,757 $4.0M
Russell Investments Group, Ltd. 0.00% Add +23.4% 86,220 $3.9M
Balyasny Asset Management L.P. 0.01% Reduce -73.8% 84,360 $3.8M
Raymond James Financial Inc. 0.00% Add +19.1% 83,255 $3.7M
Schroder Investment Management Group 0.00% No change 81,156 $3.6M
Lazard Asset Management LLC 0.01% New 78,663 $3.5M
Y-Intercept (Hong Kong) Ltd 0.07% New 72,957 $3.3M
Legal & General Group Plc 0.00% Reduce -12.0% 70,265 $3.1M
Alps Advisors Inc. 0.02% Add +69.7% 63,302 $2.8M
Voya Investment Management LLC 0.00% No change 60,858 $2.7M
Sofinnova Investments, Inc. 0.12% New 59,900 $2.7M
California State Teachers Retirement System 0.00% Reduce -6.1% 56,564 $2.5M
UBS Group AG 0.00% Reduce -50.8% 52,539 $2.4M
Invesco Ltd. 0.00% Reduce -9.1% 50,947 $2.3M
Erste Asset Management GmbH 0.02% No change 50,000 $2.2M
Nomura Asset Management International Inc. 0.00% — 47,957 $2.1M
Sei Investments Co. 0.00% Add +95.6% 43,858 $2.0M
MetLife Investment Management, LLC 0.01% Reduce -5.0% 42,025 $1.9M
DekaBank Deutsche Girozentrale 0.00% No change 39,000 $1.8M
Artia Global Partners LP 0.29% No change 40,000 $1.8M
TD Asset Management Inc 0.00% Add +135.1% 38,148 $1.7M
Legato Capital Management LLC 0.14% Add +160.7% 37,038 $1.7M
Envestnet Asset Management Inc. 0.00% Reduce -4.4% 35,801 $1.6M
Boothbay Fund Management, LLC 0.04% Add +23.6% 35,681 $1.6M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +0.0% 35,310 $1.6M
Dark Forest Capital Management LP 0.07% New 33,459 $1.5M
Manufacturers Life Insurance Company, The 0.00% Add +36.3% 32,622 $1.5M
Jump Financial, LLC 0.02% Add +376.7% 30,987 $1.4M
D. E. Shaw & Co. 0.00% Reduce -36.3% 30,851 $1.4M
Baron Capital (BAMCO) 0.00% No change 30,000 $1.3M
Handelsbanken Fonder AB 0.00% Add +31.3% 29,800 $1.3M
Intech Investment Management LLC 0.01% Add +11.9% 25,840 $1.2M
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 25,589 $1.1M
Lighthouse Investment Partners, LLC 0.04% New 25,000 $1.1M
Quantinno Capital Management LP 0.00% Add +84.2% 24,628 $1.1M
Rathbones Group PLC 0.00% No change 23,666 $1.1M
Cinctive Capital Management LP 0.06% Add +1.1% 23,317 $1.0M
HighMark Wealth Management LLC 0.42% Reduce -11.9% 23,000 $1.0M
Vestmark Advisory Solutions, Inc. 0.01% New 21,884 $981K
XTX Topco Ltd 0.03% New 21,498 $964K
Assetmark, Inc. 0.00% Reduce -5.8% 21,269 $953K
Birchview Capital, LP 0.55% No change 21,000 $941K
Police & Firemen's Retirement System of New Jersey 0.01% Reduce -4.3% 20,128 $902K
State of New Jersey Common Pension Fund D 0.00% Reduce -64.6% 19,738 $885K
Walleye Capital LLC 0.01% New 19,587 $878K
Creative Planning 0.00% Add +45.3% 19,200 $861K
Stifel Financial Corp. 0.00% Reduce -6.2% 17,548 $787K
ProShare Advisors LLC 0.00% Add +9.8% 17,279 $774K
Entropy Technologies, LP 0.04% New 17,025 $763K
Arizona State Retirement System 0.00% Reduce -16.1% 16,179 $725K
Campbell & CO Investment Adviser LLC 0.03% Reduce -43.8% 16,105 $722K
Orion Porfolio Solutions, LLC 0.00% Reduce -3.4% 14,407 $646K
SBI Okasan Asset Management Co.Ltd. 0.04% — 14,400 $638K
J. Safra Sarasin Holding AG 0.01% Reduce -55.0% 13,581 $609K
Cibc World Market Inc. 0.00% No change 13,460 $603K
China Universal Asset Management Co., Ltd. 0.04% Reduce -6.8% 12,592 $564K
KLP Kapitalforvaltning As 0.00% Reduce -3.9% 12,300 $551K
PSP Research LLC 0.46% — 11,678 $523K
Himension Capital (singapore) Pte. LTD. 0.03% New 11,279 $506K
Supplemental Annuity Collective Trust of NJ 0.13% No change 11,000 $493K
Knott David M Jr 0.23% No change 10,962 $491K
Elmwood Wealth Management, Inc. 0.15% Reduce -1.4% 10,757 $482K
Public Employees Retirement Association of Colorado 0.00% No change 10,633 $477K
Marex Group Ltd 0.01% New 10,557 $473K
Harbor Capital Advisors, Inc. 0.04% Reduce -10.4% 10,053 $451K
Allianz Asset Management GmbH 0.00% No change 9,400 $421K
Teacher Retirement System of Texas 0.00% Reduce -46.0% 8,632 $387K
Susquehanna International Group, LLP 0.00% Reduce -81.9% 8,319 $373K
Altfest L J & Co. Inc. 0.04% Add +6.5% 8,232 $369K
Advisors Asset Management, Inc. 0.01% Reduce -30.1% 8,012 $359K
Neo Ivy Capital Management 0.05% Reduce -85.0% 7,477 $335K
Oxford Asset Management LLP 0.12% Reduce -66.7% 7,379 $331K
Citigroup Inc. 0.00% Reduce -50.5% 7,361 $330K
SG Americas Securities, LLC 0.00% Add +2.1% 7,077 $317K
CANADA LIFE ASSURANCE Co 0.00% No change 7,024 $315K
PenderFund Capital Management Ltd. 0.12% No change 6,850 $307K
TLS Advisors LLC 0.99% Reduce -42.8% 18,858 $307K
Abel Hall, LLC 0.07% New 6,757 $303K
PNC Financial Services Group, Inc. 0.00% Add +11.4% 6,574 $295K
First Trust Advisors LP 0.00% New 6,361 $285K
Ameritas Investment Partners, Inc. 0.01% Reduce -6.0% 6,168 $276K
Virtus Investment Advisers, LLC 0.07% Add +74.0% 6,037 $271K
Letson Investment Management, Inc. 0.10% New 6,000 $269K
Xponance LLC 0.00% Add +0.1% 5,975 $268K
Thrivent Financial for Lutherans 0.00% Reduce -65.3% 5,583 $250K
Ensign Peak Advisors, Inc 0.00% Reduce -65.9% 5,194 $233K
Magnetar Financial LLC 0.00% New 5,153 $231K
Caprock Group, LLC 0.00% New 5,069 $227K
EntryPoint Capital, LLC 0.09% No change 5,028 $225K
Cibc World Markets Corp. 0.00% — 5,027 $225K
Citizens Financial Group Inc. 0.00% No change 5,000 $224K
Northwestern Mutual Wealth Management Co. 0.00% No change 5,000 $224K
Mackenzie Financial Corp. 0.00% New 4,772 $210K
Whalen Wealth Management Inc. 0.11% New 4,641 $208K
Amundi 0.00% New 4,609 $207K
Vanguard Personalized Indexing Management, LLC 0.00% New 4,533 $203K
Principal Financial Group Inc. 0.00% Reduce -22.9% 4,488 $201K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +26.0% 3,755 $168K
Tower Research Capital LLC (TRC) 0.00% Add +113.0% 3,232 $145K
KBC Group NV 0.00% Add +48.6% 2,780 $125K
Amalgamated Bank 0.00% Reduce -8.0% 2,387 $107K
IFP Advisors, Inc 0.00% Reduce -1.6% 1,877 $84K
GF Fund Management Co. LTD. 0.00% Reduce -8.6% 1,517 $68K
State of Wyoming 0.01% Add +30.4% 1,501 $67K
STRS Ohio 0.00% New 1,300 $58K
Caitong International Asset Management Co., Ltd 0.01% New 1,225 $55K
Clearstead Advisors, LLC 0.00% Add +214.8% 1,215 $54K
Rockefeller Capital Management L.P. 0.00% Add +450.0% 1,100 $49K
Farther Finance Advisors, LLC 0.00% Add +25.1% 1,058 $47K
Nisa Investment Advisors, LLC 0.00% No change 924 $41K
Danske Bank A/S 0.00% No change 800 $36K
Blue Trust, Inc. 0.00% Add +2560.7% 745 $33K
Kestra Advisory Services, LLC 0.00% New 740 $33K
Sterling Capital Management LLC 0.00% Add +166.8% 491 $22K
Signaturefd, LLC 0.00% Add +13.7% 473 $21K
Cwm, LLC 0.00% Add +9.3% 366 $16K
Osaic Holdings, Inc. 0.00% Reduce -76.8% 319 $14K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% No change 276 $12K
GAMMA Investing LLC 0.00% Add +42.7% 264 $12K
MAI Capital Management 0.00% New 261 $12K
Covestor Ltd 0.01% Add +8133.3% 247 $11K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% New 236 $11K
Zions Bancorporation, National Association 0.00% New 235 $11K
Daiwa Securities Group Inc. 0.00% Reduce -9.1% 229 $10K
EverSource Wealth Advisors, LLC 0.00% Add +430.0% 212 $10K
National Bank of Canada 0.00% Reduce -5.0% 190 $9K
US Bancorp \de 0.00% No change 175 $8K
Jones Financial Companies LLLP 0.00% New 150 $7K
Parallel Advisors, LLC 0.00% No change 147 $7K
Kemnay Advisory Services Inc. 0.00% New 123 $6K
Allworth Financial LP 0.00% Reduce -7.9% 116 $5K
Rothschild Investment LLC 0.00% Reduce -3.5% 111 $5K
Bell Investment Advisors, Inc 0.00% Add +809.1% 100 $4K
J.Safra Asset Management Corp 0.00% No change 87 $4K
Rossby Financial, LCC 0.00% Add +17.5% 47 $2K
Motiv8 Investments LLC 0.00% New 40 $2K
Cape Investment Advisory, Inc. 0.00% No change 39 $2K
Aster Capital Management (DIFC) Ltd 0.00% Reduce -96.3% 36 $2K
CVA Family Office, LLC 0.00% No change 33 $1K
Parkside Financial Bank & Trust 0.00% No change 30 $1K
Arax Advisory Partners 0.00% Reduce -77.3% 27 $1K
Hantz Financial Services, Inc. 0.00% New 25 $1K
CoreCap Advisors, LLC 0.00% New 17 $762
Park Place Capital Corp 0.00% No change 16 $717
Smartleaf Asset Management LLC 0.00% New 16 $706
Physician Wealth Advisors, Inc. 0.00% New 13 $583
MassMutual Private Wealth & Trust, FSB 0.00% New 11 $493
TD Private Client Wealth LLC 0.00% New 3 $134
Larson Financial Group LLC 0.00% No change 2 $90
SBI Securities Co., Ltd. 0.00% No change 1 $45

"% of holder's portfolio" is XENE's weight in each manager's 13F, not the share of Xenon Pharmaceuticals Inc. the manager owns.