Astorg has agreed to acquire the microbiology business from Thermo Fisher Scientific, a leading healthcare company, for $1.1 billion in cash.

AcquirerTargetValue ($bn)TypeClosed
Astorg (FR)Thermo Fisher Scientific’s microbiology business (US)1.1buyout2026-04-28
The acquisition is aimed at positioning Astorg as a leading player in the global microbiology market. Thermo Fisher Scientific, a diversified healthcare company, had its microbiology unit for sale to focus on other strategic growth areas.

The deal provides Astorg with a robust platform to expand its presence in microbiology testing and research products. Thermo Fisher’s microbiology business is well-known for its wide range of solutions for the diagnosis, prevention, control, and treatment of infectious diseases.

Financial Context

The deal value of $1.1 billion represents a significant investment by Astorg in expanding their portfolio within the healthcare sector. This acquisition follows similar moves by private equity firms to capture growth opportunities in specialized medical technology and diagnostic solutions.