Thermo Fisher Scientific IncTMO
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Completed sale of microbiology business for $1.075 billion, generating cash and a seller note.

Thermo Fisher Scientific has completed the sale of its microbiology business to pan-European private equity firm Astorg for approximately $1.075 billion, consisting of cash and a $50 million seller note. The business, which provides antimicrobial susceptibility testing and culture media solutions for clinical, pharmaceutical and food safety testing, generated $645 million in revenue in 2025 and was part of Thermo Fisher's Specialty Diagnostics segment.
Thermo Fisher Scientific IncCompleted sale of microbiology business for $1.075 billion, generating cash and a seller note.
Acquired Thermo Fisher's microbiology business for $1.075 billion, expanding its portfolio.