ARGX ARGENX SE: institutional ownership and insider trading
552 funds reported holding $28.5B of ARGENX SE in their latest 13F filings; in Q2 2026 funds net sold $559M, with 77 new positions and 48 funds selling out.
Famous investors holding ARGX
- Two Sigma (Two Sigma Investments): $173M, 0.1% of the portfolio
- Ken Griffin (Citadel Advisors): $254M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $87.6M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $66.2M, 0.0% of the portfolio
- Ray Dalio (Bridgewater Associates): $1.82M, 0.0% of the portfolio
Largest institutional holders of ARGX
- FMR LLC — $4.85B
- PRICE T ROWE ASSOCIATES INC /MD/ — $2.48B
- Jupiter Topco LLC — $2.30B
- Capital World Investors — $2.04B
- JANUS HENDERSON GROUP PLC (JHG) — $1.85B
- Artisan Partners Limited Partnership — $1.40B
- Avoro Capital Advisors LLC — $928M
- WELLINGTON MANAGEMENT GROUP LLP — $863M
- BlackRock, Inc. (BLK) — $721M
- RTW INVESTMENTS, LP — $658M