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Sanofi buys US biopharma group Blueprint in $9.1 bln deal
Sanofi agreed on Monday, June 2, 2025, in Paris to acquire US-based Blueprint Medicines for approximately $9.1 billion in cash.
Sanofi pursued this deal to add Blueprint's rare immunology drug Ayvakit and bolster its pipeline in systemic mastocytosis and advanced immunology medicines.
Blueprint shareholders will receive $129 per share plus a non-tradeable CVR offering milestone payments tied to the development of BLU-808, a potent oral KIT inhibitor.
Sanofi CEO Paul Hudson said the acquisition is a 'strategic step forward' enhancing Sanofi's transformation into a leading immunology company and complements recent early-stage medicine buys.
The transaction will broaden Sanofi’s immunology portfolio and pipeline, and the company retains substantial capacity for additional acquisitions in this field.