Institutional Ownership
Argenx Se
CUSIP 04016X101SPONSORED ADRARGXQ1 2026
13D / 13G Filings
13
Schedule 13D/13G on record
Beneficial Filers
4
Distinct reporting persons
Largest Stake
10.8%
Max % of class reported
Institutional Holders
474
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
13 filings · latest Nov 14, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Nov 14, 2025 | T. Rowe Price Associates, Inc. | 13G/A | 6.0% | 3.65M | SEC |
| 2 | Aug 14, 2025 | T. Rowe Price Associates, Inc. | 13G/A | 8.2% | 4.98M | SEC |
| 3 | Aug 12, 2025 | Artisan Partners Asset Management Inc. | 13G/A | 3.9% | 2.35M | SEC |
| 4 | Nov 14, 2024 | Price T Rowe Associates Inc /Md/ | 13G/A | 9.7% | 5.82M | SEC |
| 5 | Feb 14, 2024 | Price T Rowe Associates Inc /Md/ | 13G/A | 6.2% | 3.67M | SEC |
| 6 | Feb 12, 2024 | Artisan Partners Limited Partnership | 13G | 5.4% | 3.17M | SEC |
| 7 | Feb 14, 2023 | Price T Rowe Associates Inc /Md/ | 13G/A | 7.2% | 3.96M | SEC |
| 8 | Feb 10, 2023 | Artisan Partners Limited Partnership | 13G/A | 4.7% | 2.62M | SEC |
| 9 | Feb 14, 2022 | Price T Rowe Associates Inc /Md/ | 13G/A | 10.8% | 5.60M | SEC |
| 10 | Feb 4, 2022 | Artisan Partners Limited Partnership | 13G | 6.2% | 3.18M | SEC |
3 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Argenx Se.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Fmr LLC | 4.99M | $3.64B |
| 2 | Janus Henderson Group PLC | 2.54M | $1.85B |
| 3 | Capital World Investors | 2.26M | $1.65B |
| 4 | Artisan Partners Limited Partnership | 1.47M | $1.07B |
| 5 | Wellington Management Group LLP | 1.02M | $745.92M |
| 6 | Avoro Capital Advisors LLC | 1.00M | $730.25M |
| 7 | Blackrock, Inc. | 808.3K | $590.29M |
| 8 | Rtw Investments, LP | 709.4K | $518.07M |
| 9 | Invesco Ltd. | 594.7K | $434.28M |
| 10 | Morgan Stanley | 560.7K | $409.46M |