Biogen
Biogen Acquires Apellis Pharmaceuticals in $5.6 Billion Move into Immunology
In a move that signals a decisive pivot for the biotechnology giant, Biogen Inc. (NASDAQ: BIIB) announced on March 31, 2026, that it has entered into a definitive agreement to acquire Apellis Pharmaceuticals (NASDAQ: APLS) for approximately $5.6 billion. The acquisition, which centers on Apellis' pioneering therapies targeting