Sanofi Signs a $9.5B Agreement to Acquire Blueprint Medicines

Core Insights - Sanofi has entered into a definitive agreement to acquire Blueprint Medicines for a total deal value of up to $9.5 billion, with BPMC shares rising 26% following the announcement [1][6] - The acquisition is expected to be completed in the third quarter of 2025, subject to customary closing conditions [1] - The deal will enhance Sanofi's immunology portfolio by adding Blueprint Medicines' marketed product Ayvakit and its innovative pipeline candidates [2][5] Financial Details - Sanofi will pay $129 per share in cash, representing a 27% premium over BPMC's closing price, resulting in an equity value of approximately $9.1 billion [9] - Blueprint Medicines shareholders will also receive contingent value rights (CVRs) tied to future milestones for BLU-808, potentially increasing the total equity value to $9.5 billion [10] - Ayvakit generated $149.4 million in sales in Q1 2025, reflecting a 61% year-over-year increase, with projections of reaching $2 billion by 2030 [7][6] Strategic Intent - The acquisition aims to reduce Sanofi's reliance on Dupixent by expanding its immunology portfolio, which includes 12 potential blockbuster assets in phase III development [12][14] - Sanofi's first-quarter 2025 sales from Dupixent reached €3.48 billion, accounting for about a third of the company's total revenues, indicating the importance of diversifying its product offerings [14]