Who owns ARGX
462 institutions reported holding ARGX for 2026Q1, together 46% of the company, fewer than the 494 a quarter earlier.
462
Institutions reporting a position · as of 2026Q1 · down from 494 the quarter before
- Shares held by institutions
- 28.7M
Shares held by institutions · 46% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $21.0B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 24%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 36
- New positions
- 64
- Positions exited
- 94
- Added to
- 165
- Reduced
- 159
- Top 10 holdersof the company
- 30%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 462 | 28.7M | $21.0B |
| 2025Q4 | 494 | 29.9M | $25.0B |
| 2025Q3 | 459 | 30.4M | $22.5B |
| 2025Q2 | 430 | 32.1M | $17.7B |
| 2025Q1 | 442 | 33.3M | $19.7B |
| 2024Q4 | 392 | 34.0M | $20.9B |
| 2024Q3 | 351 | 35.0M | $18.9B |
| 2024Q2 | 331 | 34.2M | $14.7B |
| 2024Q1 | 323 | 33.9M | $13.3B |
| 2023Q4 | 341 | 32.7M | $12.4B |
| 2023Q3 | 333 | 32.2M | $15.8B |
| 2023Q2 | 286 | 30.8M | $12.0B |
| 2023Q1 | 267 | 31.1M | $11.6B |
| 2022Q4 | 266 | 30.6M | $11.6B |
| 2022Q3 | 252 | 31.7M | $11.2B |
| 2022Q2 | 227 | 32.8M | $12.4B |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| FMR LLC | 5.0M | 8.1% | $3.64B |
| PRICE T ROWE ASSOCIATES INC /MD/ | 3.4M | 5.5% | $2.46B |
| HENDERSON GROUP PLC | 2.5M | 4.1% | $1.85B |
| Capital World Investors | 2.3M | 3.6% | $1.65B |
| Artisan Partners Limited Partnership | 1.5M | 2.4% | $1.07B |
| WELLINGTON MANAGEMENT GROUP LLP | 1.0M | 1.7% | $746M |
| Avoro Capital Advisors LLC | 1.0M | 1.6% | $730M |
| BlackRock Inc. | 0.8M | 1.3% | $590M |
| RTW INVESTMENTS, LP | 0.7M | 1.1% | $518M |
| Invesco Ltd. | 0.6M | 0.96% | $434M |
SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.
reading the register…