Security record · archived quarter
XENE
Xenon Pharmaceuticals Inc. · Healthcare · Biotechnology
110Tracked holders
+12Δ holders
59.13MShares held
$3.41BReported value
+18New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth +12.2% ·
share flow +15.6% ·
net new positions +10.9%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 130 | $5,069 | n/a | −1 |
| Q2 2026 | 113 | +7 | 55.63M | $3.35B | +11 | −5 |
| Q1 2026 | 110 | +12 | 59.13M | $3.41B | +18 | −6 |
| Q4 2025 | 96 | 0 | 51.65M | $2.31B | +1 | −1 |
| Q3 2025 | 17 | 0 | 29.02M | $1.17B | n/a | n/a |
| Q2 2025 | 14 | -1 | 23.81M | $745.12M | +1 | −2 |
| Q1 2025 | 12 | +1 | 10.74M | $360.22M | +1 | n/a |
| Q4 2024 | 11 | -1 | 10.24M | $401.45M | n/a | −1 |
| Q3 2024 | 11 | 0 | 11.68M | $459.86M | n/a | n/a |
| Q2 2024 | 11 | n/a | 11.68M | $455.36M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 10.82M | +21.3% | $629.10M | 0.0% | ▲ Add | 4 | SEC ↗ ×4 |
| 2 | BlackRock ✦ (passive) | 5.64M | +10.6% | $327.97M | 0.0% | ▲ Add | 4 | SEC ↗ ×14 |
| 3 | Wellington Management ✦ | 4.83M | +1.4% | $280.84M | 0.1% | ▲ Add | 8 | SEC ↗ ×8 |
| 4 | Janus Henderson Group Plc | 4.18M | +2.2% | $242.86M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 5 | Capital International Investors | 2.67M | -21.7% | $155.54M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 2.65M | +100.8% | $154.27M | 0.1% | ▲ Add | 8 | SEC ↗ ×2 |
| 7 | JPMorgan Chase ✦ | 1.92M | +28.8% | $106.86M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 8 | State Street Global Advisors ✦ (passive) | 1.72M | +15.3% | $100.05M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 9 | Holocene Advisors, LP | 1.52M | +18.4% | $88.31M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 10 | BNP Paribas Asset Management… | 1.34M | +26.6% | $78.04M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 11 | T. Rowe Price ✦ | 1.33M | +54.2% | $77.32M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 12 | Jennison Associates Llc | 1.32M | +2.1% | $76.69M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 13 | Alyeska Investment Group, L.P. | 1.30M | New | $75.56M | 0.2% | New | 1 | SEC ↗ |
| 14 | Franklin Resources Inc | 1.28M | +68.9% | $74.47M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 15 | Geode Capital Management ✦ (passive) | 1.09M | +14.7% | $63.55M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 16 | Alliancebernstein L.P. | 1.40M | -11.9% | $62.90M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | Federated Hermes, Inc. | 972.24K | +44.6% | $56.54M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 18 | Capital World Investors ✦ | 840.07K | +28.1% | $48.85M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 19 | Goldman Sachs Group ✦ | 769.88K | +10.6% | $44.77M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 20 | American Century Companies Inc | 679.31K | -0.2% | $39.50M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | Pictet Asset Management Holding SA | 679.71K | +8.6% | $39.23M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Aberdeen Group plc | 609.93K | -18.7% | $35.47M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 23 | Two Sigma Investments ✦ | 606.09K | +38.8% | $35.24M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | Loomis Sayles & Co L P | 564.90K | -7.7% | $32.85M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 25 | Northern Trust Corp | 527.78K | +20.3% | $30.69M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 26 | Tudor Investment Corp Et Al | 495.59K | +95.1% | $28.82M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 473.76K | +61.0% | $27.55M | 0.0% | ▲ Add | 3 | SEC ↗ ×9 |
| 28 | Adage Capital Partners ✦ | 470.00K | -31.4% | $27.33M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 29 | Bank of New York Mellon Corp | 396.14K | +2.3% | $23.04M | 0.0% | ▲ Add | 2 | SEC ↗ ×10 |
| 30 | UBS AM, a distinct business unit of… | 375.17K | +158868.6% | $21.82M | 0.0% | ▲ Add | 2 | SEC ↗ ×9 |
| 31 | Renaissance Technologies ✦ | 300.50K | New | $17.47M | 0.0% | New | 1 | SEC ↗ |
| 32 | Bank Of America Corp /De/ | 265.27K | +19.8% | $15.43M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 33 | State Of Wisconsin Investment Board | 254.48K | +23.8% | $14.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | Nuveen, LLC | 250.04K | +15.6% | $14.54M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 35 | Allspring Global Investments… | 246.31K | New | $13.96M | 0.0% | New | 1 | SEC ↗ ×3 |
| 36 | Duquesne Family Office ✦ | 238.60K | New | $13.88M | 0.5% | New | 1 | SEC ↗ |
| 37 | Barclays Plc | 238.21K | -60.4% | $13.85M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 38 | Balyasny Asset Management L.P. | 233.91K | +177.3% | $13.60M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 39 | Millennium Management ✦ | 201.78K | -68.2% | $11.73M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 40 | Charles Schwab Investment… | 189.08K | 0.0% | $11.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | New York State Common Retirement… | 188.50K | +1.0% | $10.96M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Susquehanna International Group, Llp | 177.14K | +2029.3% | $10.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | Deutsche Bank Ag\ | 162.68K | -14.5% | $9.46M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 44 | Swiss National Bank | 157.70K | +38.3% | $9.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Neuberger Berman Group LLC | 130.44K | -27.0% | $7.58M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 46 | Hrt Financial Lp | 129.80K | 0.0% | $7.55M | 0.0% | Held | 2 | SEC ↗ |
| 47 | Russell Investments Group, Ltd. | 129.40K | +50.1% | $7.52M | 0.0% | ▲ Add | 2 | SEC ↗ ×8 |
| 48 | Hsbc Holdings Plc | 121.56K | New | $7.07M | 0.0% | New | 1 | SEC ↗ ×2 |
| 49 | Wells Fargo & Company/Mn | 115.65K | -24.1% | $6.73M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 50 | Sei Investments Co | 114.38K | +160.8% | $6.65M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 51 | Rhumbline Advisers | 101.78K | +12.9% | $5.92M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | UBS Group AG | 99.62K | +89.6% | $5.79M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 53 | California State Teachers… | 92.75K | +64.0% | $5.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Royal Bank Of Canada | 90.39K | +0.7% | $5.25M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 55 | Raymond James Financial Inc | 88.60K | +6.4% | $5.15M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 56 | Bnp Paribas Financial Markets | 80.39K | -14.0% | $4.67M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | Ameriprise Financial Inc | 78.91K | -28.0% | $4.59M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 58 | Schroder Investment Management Group | 81.16K | n/a | $4.51M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 59 | Legal & General Group Plc | 73.49K | +4.6% | $4.27M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 60 | Voya Investment Management Llc | 68.36K | +12.3% | $3.98M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 61 | Vanguard Capital Management Llc | 65.96K | n/a | $3.84M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Invesco Ltd. | 59.10K | +16.0% | $3.44M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 63 | LMR Partners LLP | 56.20K | New | $3.27M | 0.0% | New | 1 | SEC ↗ |
| 64 | Quantinno Capital Management LP | 55.44K | +125.1% | $3.22M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Lazard Asset Management Llc | 50.76K | -35.5% | $2.95M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | Victory Capital Management Inc | 49.97K | New | $2.91M | 0.0% | New | 1 | SEC ↗ |
| 67 | Nomura Asset Management… | 47.04K | -1.9% | $2.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Qube Research & Technologies Ltd | 44.04K | New | $2.56M | 0.0% | New | 1 | SEC ↗ |
| 69 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 40.51K | +14.7% | $2.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 70 | Envestnet Asset Management Inc | 36.07K | +0.8% | $2.10M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Zurcher Kantonalbank (Zurich… | 35.20K | +37.6% | $2.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | Creative Planning | 29.82K | +55.3% | $1.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | Corient Private Wealth LP | 28.30K | +12.7% | $1.65M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | Td Asset Management Inc | 27.07K | -29.0% | $1.57M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | Swedbank AB | 26.20K | New | $1.52M | 0.0% | New | 1 | SEC ↗ |
| 76 | Bamco Inc /Ny/ | 25.00K | -16.7% | $1.45M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | Manufacturers Life Insurance… | 21.68K | -33.5% | $1.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | Assetmark, Inc | 20.27K | -4.7% | $1.18M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | Connor, Clark & Lunn Investment… | 19.44K | New | $1.13M | 0.0% | New | 1 | SEC ↗ |
| 80 | State Board Of Administration Of… | 19.10K | New | $1.11M | 0.0% | New | 1 | SEC ↗ |
| 81 | Cibc World Market Inc. | 18.96K | +40.9% | $1.10M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | D. E. Shaw & Co. ✦ | 18.94K | -38.6% | $1.10M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 83 | Amundi | 18.01K | +290.8% | $1.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Stifel Financial Corp | 16.72K | -4.7% | $972,156 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 85 | ProShare Advisors LLC | 16.25K | -6.0% | $944,937 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | Prudential Financial Inc | 13.01K | New | $756,532 | 0.0% | New | 1 | SEC ↗ |
| 87 | Citigroup Inc | 12.15K | +65.1% | $706,581 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 88 | First Trust Advisors Lp | 9.13K | +43.6% | $531,083 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Pnc Financial Services Group, Inc. | 8.10K | +23.2% | $470,841 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 90 | Allianz Asset Management GmbH | 7.60K | -19.1% | $441,940 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 91 | AQR Capital Management ✦ | 7.28K | New | $423,274 | 0.0% | New | 1 | SEC ↗ ×6 |
| 92 | Principal Financial Group Inc | 6.24K | +39.1% | $363,089 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 93 | Tidal Investments LLC | 6.22K | New | $361,984 | 0.0% | New | 1 | SEC ↗ |
| 94 | Ensign Peak Advisors, Inc | 5.19K | 0.0% | $302,031 | 0.0% | Held | 2 | SEC ↗ |
| 95 | Northwestern Mutual Wealth… | 5.00K | 0.0% | $290,750 | 0.0% | Held | 2 | SEC ↗ |
| 96 | LPL Financial LLC | 4.96K | New | $288,667 | 0.0% | New | 1 | SEC ↗ |
| 97 | CIBC Bancorp USA Inc. | 4.35K | n/a | $252,894 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 98 | Mirae Asset Global Investments Co.… | 4.34K | +15.6% | $252,313 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | Cetera Investment Advisers | 3.62K | New | $210,736 | 0.0% | New | 1 | SEC ↗ |
| 100 | Jane Street Group, Llc | 3.47K | New | $201,664 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Alyeska Investment Group, L.P. | $75.56M | 0.2% |
| Renaissance Technologies | $17.47M | 0.0% |
| Allspring Global Investments… | $13.96M | 0.0% |
| Duquesne Family Office | $13.88M | 0.5% |
| Hsbc Holdings Plc | $7.07M | 0.0% |
| LMR Partners LLP | $3.27M | 0.0% |
| Victory Capital Management Inc | $2.91M | 0.0% |
| Qube Research & Technologies… | $2.56M | 0.0% |
| Swedbank AB | $1.52M | 0.0% |
| Connor, Clark & Lunn… | $1.13M | 0.0% |
| State Board Of Administration… | $1.11M | 0.0% |
| Prudential Financial Inc | $756,532 | 0.0% |
Exited
| Dimensional Fund Advisors Lp | $20.26M | was 0.0% |
| Marshall Wace | $7.29M | was 0.0% |
| Assenagon Asset Management… | $5.34M | was 0.0% |
| Man Group plc | $5.15M | was 0.0% |
| Mackenzie Financial Corp | $210,126 | was 0.0% |
| Daiwa Securities Group Inc. | $10,000 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 289 holders, 98.30M shares, $5.52B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Sep 30
Kelly Thomas Patrick
Officer · Chief Financial… · 15.00K sh @ 37.32 · $559,740
Sep 30
MORTIMER IAN
Officer, Director · PRESIDENT & CEO · 30.00K sh @ 37.38 · $1.12M
Open-market sales (S)
Aug 28
KENNEY CHRISTOPHER JOHN
Officer · 6.37K sh · $383,145
Aug 28
KENNEY CHRISTOPHER JOHN
Officer · 700 sh · $42,684
Aug 11
GANNON STEVEN
Director · 10.00K sh · $640,550
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 13
SC 13G/A: WELLINGTON MANAGEMENT GROUP LLP
Aug 07
SC 13G/A: FMR LLC
Aug 06
SC 13G/A: FMR LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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