ARGX
argenx NV
972.30$
+1.3%
vs. previous close
Closing price · As of: Sep 28, 2026
Ownership
Ownership Structure
Who owns argenx NV (ARGX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions.
Institutional ownership
?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
47.1%
Insiders
?Share of the stock held by the executives, founders and major shareholders of the company itself.
0.0%
Short % of float
?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
2.1%
Shares Outstanding
?Total number of shares issued. Price times share count gives market cap.
62Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| FMR Inc | 7.98 | 4,991,034 | -10.8 | 03/31/2026 |
| T. Rowe Price Associates, Inc. | 5.39 | 3,374,955 | +0.4 | 03/31/2026 |
| HHG PLC | 4.06 | 2,541,732 | +3.4 | 03/31/2026 |
| Capital World Investors | 3.52 | 2,199,770 | -2.5 | 06/30/2026 |
| Artisan Partners Limited Partnership | 2.41 | 1,508,778 | +2.8 | 06/30/2026 |
| venBio Select Advisor LLC | 1.60 | 1,000,000 | +1.0 | 03/31/2026 |
| Wellington Management Company LLP | 1.49 | 930,548 | -8.9 | 06/30/2026 |
| BlackRock Inc | 1.29 | 808,337 | +9.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| American Funds EUPAC A | 1.64 | 1,024,240 | -6.6 | 06/30/2026 |
| American Funds New Economy A | 1.17 | 729,820 | +2.3 | 06/30/2026 |
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: September 28, 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.