XENON PHARMACEUTICALS INC COM is a security (CUSIP 98420N105) tracked across SEC portfolio filings. 305 institutional managers reported $5.9B on Form 13F as of 2026-06-30; 35 registered fund positions totaling $614.6M via N-PORT as of 2026-05-31.
Showing 15 of 305 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| FMR LLC | BOSTON, MA | $629.1M | 10,818,491 |
| Avoro Capital Advisors LLC | New York, NY | $336.0M | 5,777,777 |
| BlackRock, Inc. | New York, NY | $328.0M | 5,640,118 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $280.8M | 4,829,641 |
| Driehaus Capital Management LLC | Chicago, IL | $261.2M | 4,491,653 |
| Polar Capital Holdings Plc | London, X0 | $256.2M | 4,405,312 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $242.9M | 4,175,982 |
| CITADEL ADVISORS LLC | MIAMI, FL | $167.8M | 2,652,990 |
| Capital International Investors | Los Angeles, CA | $155.5M | 2,674,727 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $106.9M | 1,923,610 |
| STATE STREET CORP | BOSTON, MA | $100.0M | 1,720,533 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $98.6M | 177,137 |
| Affinity Asset Advisors, LLC | New York, NY | $97.4M | 1,675,000 |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | New York, NY | $94.0M | 1,615,696 |
| Holocene Advisors, LP | New York, NY | $88.3M | 1,518,686 |
Showing 15 of 35 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| SMALLCAP World Fund Inc | SMALLCAP World Fund Inc | $203.6M | 25.13% |
| VANGUARD HEALTH CARE FUND | VANGUARD SPECIALIZED FUNDS | $150.0M | 40.69% |
| Fidelity Advisor Health Care Fund | Fidelity Advisor Series VII | $33.6M | 116.47% |
| Fidelity Contrafund | Fidelity Contrafund | $28.1M | 1.78% |
| T. Rowe Price New Horizons Fund, Inc. | T. ROWE PRICE NEW HORIZONS FUND, INC. | $26.2M | 20.53% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $24.3M | 13.86% |
| abrdn Healthcare Investors | abrdn Healthcare Investors | $22.7M | 199.27% |
| T. Rowe Price Small-Cap Stock Fund, Inc. | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $20.7M | 25.69% |
| AB DISCOVERY GROWTH FUND, INC. | AB DISCOVERY GROWTH FUND, INC. | $16.4M | 60.79% |
| Janus Henderson Venture Fund | JANUS INVESTMENT FUND | $14.4M | 46.85% |
| PGIM Jennison Health Sciences Fund | Prudential Sector Funds, Inc. | $13.8M | 99.70% |
| abrdn Life Sciences Investors | abrdn Life Sciences Investors | $11.8M | 210.13% |
| T. Rowe Price Institutional Small-Cap Stock Fund | T. Rowe Price Equity Funds, Inc. | $10.7M | 24.63% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $8.2M | 16.93% |
| Putnam Global Health Care Fund | Putnam Global Health Care Fund | $7.3M | 50.15% |