08:26 AM EDT, 08/12/2026 (MT Newswires) -- Thermo Fisher Scientific ( TMO ) said Wednesday that it has completed the divestiture of its microbiology business to European private equity firm Astorg for $1.08 billion, consisting of cash and a $50 million seller note.

The divested testing and culture media unit generated $645 million in revenue last year and was part of Thermo's specialty diagnostics segment, Thermo said.