Who Owns ARGENX SE (ARGX)? -- Institutional Holders (2026-06-30)
554 institutions reported holding $26.52B of ARGENX SE (ARGX) in SEC 13F filings for 2026-06-30. Largest institutional holders: FMR LLC ($4.85B), PRICE T ROWE ASSOCIATES INC /MD/ ($2.48B), Jupiter Topco LLC ($2.30B), Capital World Investors ($2.04B), Artisan Partners Limited Partnership ($1.40B). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | FMR LLC | $4.85B | 5.2M | Added |
| 2 | PRICE T ROWE ASSOCIATES INC /MD/ | $2.48B | 2.7M | Trimmed |
| 3 | Jupiter Topco LLC | $2.30B | 2.5M | New |
| 4 | Capital World Investors | $2.04B | 2.2M | Trimmed |
| 5 | Artisan Partners Limited Partnership | $1.40B | 1.5M | Added |
| 6 | Avoro Capital Advisors LLC | $927.8M | 1.0M | Hold |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | $863.3M | 930,548 | Trimmed |
| 8 | BlackRock, Inc. | $721.1M | 777,237 | Trimmed |
| 9 | RTW INVESTMENTS, LP | $658.2M | 709,446 | Hold |
| 10 | MORGAN STANLEY | $596.7M | 643,123 | Added |
| 11 | Invesco Ltd. | $411.9M | 443,990 | Trimmed |
| 12 | BANK OF AMERICA CORP /DE/ | $371.3M | 400,234 | Added |
| 13 | ALLIANCEBERNSTEIN L.P. | $288.9M | 395,661 | Trimmed |
| 14 | Bellevue Group AG | $279.3M | 301,000 | Trimmed |
| 15 | SANDS CAPITAL MANAGEMENT, LLC | $277.0M | 298,599 | Trimmed |
| 16 | CITADEL ADVISORS LLC | $253.6M | 273,316 | Trimmed |
| 17 | BESSEMER GROUP INC | $248.4M | 267,779 | Added |
| 18 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | $245.5M | 264,617 | Trimmed |
| 19 | SEI INVESTMENTS CO | $236.7M | 255,073 | Trimmed |
| 20 | Clearbridge Investments, LLC | $235.4M | 253,776 | Added |
| 21 | JENNISON ASSOCIATES LLC | $209.9M | 226,200 | Trimmed |
| 22 | FRANKLIN RESOURCES INC | $208.7M | 224,930 | Trimmed |
| 23 | Pictet Asset Management Holding SA | $183.8M | 198,282 | Added |
| 24 | TWO SIGMA INVESTMENTS, LP | $172.8M | 186,238 | Added |
| 25 | AMERIPRISE FINANCIAL INC | $168.4M | 181,464 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30