Xenon PharmaceuticalsXENE
13F holders, Q4 2025 (December 31)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
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 43 | $89.0M |
| Exits | 21 | $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.