Biogen IncBIIB
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Biogen acquires RayThera for up to $1 billion, adding anti-inflammatory assets to its pipeline.

Biogen has agreed to acquire RayThera, a private immunology-focused biotech, for up to $1 billion. The deal includes an upfront payment and predominantly clinical and regulatory milestone payments. RayThera's portfolio adds multiple anti-inflammatory assets to Biogen's pipeline, with the lead candidate expected to enter Phase 1 development in early Q3 2026. The transaction is anticipated to close in the third quarter of 2026, subject to customary conditions.
Biogen IncBiogen acquires RayThera for up to $1 billion, adding anti-inflammatory assets to its pipeline.
RayThera is being acquired by Biogen for up to $1 billion, providing a significant exit for its investors.