WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's ownership history for ARGX

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC currently holds 266.1K shares with a market value of $194.4M. It started holding ARGX on 2025-12-31. At its peak, it held 266.1K shares on 2026-03-31. Its highest holding value was $194.4M on 2026-03-31. At its lowest, it held 223.7K shares on 2025-12-31, with a value of $188.1M on 2025-12-31.