Thermo Fisher completes sale of microbiology business to Astorg for $1.08 billion
TMO•Thermo Fisher completes microbiology business sale
Thermo Fisher completed the sale of its microbiology business to private equity firm Astorg for about $1.075 billion.
Consideration comprised cash, backed by a $50 million seller note.
The unit provides antimicrobial susceptibility testing and culture media for clinical and pharmaceutical food safety testing.
The business generated $645 million of revenue in 2025 within Thermo Fisher’s Specialty Diagnostics segment.
