Thermo Fisher is selling its microbiology unit to Astorg for $1.08 billion

The unit generated $645 million in revenue in 2025 and supplies products used in clinical, pharmaceutical, and food safety testing

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European private equity firm Astorg will acquire the microbiology business of Thermo Fisher $TMO Scientific in a deal valued at roughly $1.075 billion, structured as a combination of cash and a $50 million seller note.

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