Mergers & AcquisitionsMediumUpdated×4•Originally published 27 April 2026•Updated 28 April 2026•
1 min read

Thermo Fisher to Sell Microbiology Unit to Astorg for $1.075 Billion

Key Facts

1Thermo Fisher Scientific has agreed to sell its microbiology business unit to European private-equity firm Astorg.
2The deal is valued at approximately $1.075 billion.

Thermo Fisher Scientific has agreed to divest its microbiology business unit to European private equity firm Astorg for $1.075 billion. The unit generated $645 million in revenue during 2025, and Thermo Fisher aims to use the sale proceeds to generate additional capital for enhancing shareholder value. The transaction is expected to close in the second half of 2026 and may be slightly dilutive to adjusted earnings per share in the first full year. Astorg plans to establish the business as an independent platform, focusing on operational enhancements and accelerated organic growth. Additionally, the private equity firm intends to pursue further M&A opportunities to expand the new platform's reach. Completion of the deal remains subject to customary regulatory approvals and closing conditions.