argenx NV
Ownership
Ownership Structure
Who owns argenx NV (ARGX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| FMR Inc | 8.32 | 5,231,452 | +4.8 | 06/30/2026 |
| T. Rowe Price Associates, Inc. | 4.26 | 2,678,047 | -20.6 | 06/30/2026 |
| Jupiter Topco LLC | 3.93 | 2,474,015 | +0.0 | 06/30/2026 |
| Capital World Investors | 3.50 | 2,199,770 | -2.5 | 06/30/2026 |
| Artisan Partners Limited Partnership | 2.40 | 1,508,778 | +2.8 | 06/30/2026 |
| venBio Select Advisor LLC | 1.59 | 1,000,000 | +0.0 | 06/30/2026 |
| Wellington Management Company LLP | 1.48 | 930,548 | -8.9 | 06/30/2026 |
| BlackRock Inc | 1.24 | 777,237 | -3.8 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| American Funds EUPAC A | 1.51 | 951,279 | -7.1 | 09/30/2026 |
| American Funds New Economy A | 1.25 | 785,269 | +7.6 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: November 12, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.