Biogen Inc. has achieved a notable 21% earnings beat in the first quarter of 2026, reporting adjusted earnings per share of $3.57, exceeding expectations. The company also generated total revenue of $2.48 billion, surpassing consensus forecasts, while announcing its acquisition of Apellis Pharmaceuticals for $5.6 billion to enhance its growth trajectory. Despite this strong performance, Biogen has adjusted its full-year profitability guidance downward, anticipating a mid-single-digit revenue decline compared to the previous year.