CUSIP 98420N105COMXENEQ4 2025
34 filings · latest Feb 10, 2026
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Fmr LLC | 8.92M | $399.81M |
| 2 | Avoro Capital Advisors LLC | 5.42M | $243.12M |
| 3 | Blackrock, Inc. | 5.10M | $228.59M |
| 4 | Wellington Management Group LLP | 4.76M | $213.56M |
| 5 | Driehaus Capital Management LLC | 4.54M | $203.42M |
| 6 | Janus Henderson Group PLC | 4.08M | $183.11M |
| 7 | Capital International Investors | 3.41M | $153.06M |
| 8 | Polar Capital Holdings PLC | 2.47M | $110.51M |
| 9 |
| 4 | Aug 6, 2025 | Fmr LLC | 13G/A | 11.5% | 8.82M | SEC |
| 5 | Jul 17, 2025 | Blackrock, Inc. | 13G | 6.2% | 4.76M | SEC |
| 6 | Mar 7, 2025 | Fmr LLC | 13G/A | 10.3% | 7.85M | SEC |
| 7 | Nov 12, 2024 | Fmr LLC | 13G/A | 9.1% | — | SEC |
| 8 | Feb 14, 2024 | Driehaus Capital Management LLC | 13G/A | 5.9% | 4.35M | SEC |
| 9 | Feb 14, 2024 | Avoro Capital Advisors LLC | 13G/A | 7.7% | 5.67M | SEC |
| 10 | Feb 9, 2024 | Fmr LLC | 13G/A | 7.6% | — | SEC |
See the full Schedule 13D/13G history for Xenon Pharmaceuticals Inc.
Unlock full history| Braidwell LP |
| 1.83M |
| $81.80M |
| 10 | Commodore Capital LP | 1.80M | $80.68M |