According to SEC filings for the period ending September 2025, Argenx Se (NASDAQ:ARGX) is held by 460 institutional firms.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| FMR LLC | 30 Sep, 2025 | 5,692,346 | 268,838 | 4.96% | $4,198,446,996.00 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 30 Sep, 2025 | 3,640,409 | -1,339,567 | -26.90% | $2,685,021.00 |
| JANUS HENDERSON GROUP PLC | 30 Sep, 2025 | 2,575,251 | 9,852 | 0.38% | $1,899,561,515.00 |
| Artisan Partners Limited Partnership | 30 Sep, 2025 | 2,186,510 | -163,266 | -6.95% | $1,612,682,316.00 |
| Capital World Investors | 30 Sep, 2025 | 1,959,504 | 8,422 | 0.43% | $1,445,113,283.00 |
| Avoro Capital Advisors LLC | 30 Sep, 2025 | 990,000 | -185,000 | -15.74% | $730,184,400.00 |
| Clearbridge Investments, LLC | 30 Sep, 2025 | 756,862 | -16,004 | -2.07% | $558,231,439.00 |
| WELLINGTON MANAGEMENT GROUP LLP | 30 Sep, 2025 | 729,986 | 324,653 | 80.10% | $538,408,475.00 |
| CITADEL ADVISORS LLC | 30 Sep, 2025 | 713,559 | 161,620 | 29.28% | $526,292,576.00 |
| RTW INVESTMENTS, LP | 30 Sep, 2025 | 673,497 | 0 | 0.00% | $496,744,447.00 |
| Bellevue Group AG | 30 Sep, 2025 | 546,328 | -24,711 | -4.33% | $402,949,679.00 |
| BlackRock, Inc. | 30 Sep, 2025 | 523,801 | -26,345 | -4.79% | $386,334,951.00 |
| MORGAN STANLEY | 30 Sep, 2025 | 435,106 | 5,815 | 1.35% | $320,918,184.00 |
| MILLENNIUM MANAGEMENT LLC | 30 Sep, 2025 | 347,518 | -82,326 | -19.15% | $256,315,376.00 |
| BANK OF AMERICA CORP /DE/ | 30 Sep, 2025 | 342,379 | 6,259 | 1.86% | $252,525,055.00 |
| SEI INVESTMENTS CO | 30 Sep, 2025 | 312,268 | -4,131 | -1.31% | $230,317,992.00 |
| TWO SIGMA INVESTMENTS, LP | 30 Sep, 2025 | 294,160 | 250,278 | 570.34% | $216,960,650.00 |
| FRANKLIN RESOURCES INC | 30 Sep, 2025 | 258,274 | -21,529 | -7.69% | $190,492,211.00 |
| Jefferies Financial Group Inc. | 30 Sep, 2025 | 248,400 | 1,600 | 0.65% | $183,209,904.00 |
| JENNISON ASSOCIATES LLC | 30 Sep, 2025 | 240,228 | -24,419 | -9.23% | $177,182,363.00 |