Argenx’s (ARGX) Vyvgart Sales Outperform Expectations Across MG and CIDP Treatments

Group 1 - Argenx SE (NASDAQ:ARGX) is recognized as one of the top high-growth European stocks, with an Outperform rating maintained by William Blair due to strong sales growth in its Vyvgart brand [1] - Vyvgart sales are exceeding expectations and are expected to maintain solid momentum through 2026 for applications in myasthenia gravis (MG) and chronic inflammatory demyelinating polyneuropathy (CIDP) [1] - The FDA has agreed to prioritize a supplemental biologics licensing application for Vyvgart, which aims to expand its use in treating adults with acetylcholine receptor antibody-seronegative generalized myasthenia gravis (gMG) [3] Group 2 - Argenx is developing treatments for severe autoimmune diseases and operates in four segments: the United States, Japan, EMEA, and China [4] - The company has other clinical products in development, such as empasiprubart for multifocal motor neuropathy (MMN), with pivotal data expected in the fourth quarter of 2026 [2]