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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