Servier Acquires Day One Biopharmaceuticals to Expand Rare Oncology Portfolio

March 6, 2026

Servier and Day One Biopharmaceuticals entered into a definitive agreement for Servier to acquire Day One for $21.50 per share in cash, valuing the deal at approximately $2.5 billion. The acquisition is expected to close in the second quarter of 2026 and is intended to strengthen Servier’s rare oncology and pediatric low-grade glioma positioning while expanding its clinical-stage pipeline.

Buyers
Servier
Targets
Day One Biopharmaceuticals, Inc.
Industry
Pharmaceuticals
Location
California, United States
Transaction Type
Buyout

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