Charles River Laboratories International, Inc. (NYSE:CRL) exercised its option to acquire remaining 79% stake in PathoQuest SAS for ?51.6 million on January 12, 2026. A cash consideration of ?51.6 million will be paid by Charles River Laboratories International, Inc. The purchase price is subject to customary closing adjustments. As part of the acquisition, PathoQuest will become part of the Company?s Biologics Testing business in the Manufacturing Solutions segment.
The transaction is expected to close by the end of the first quarter of 2026.
Charles River Laboratories International, Inc. specializes in the development of products and services in the field of research and non-clinical drug development for pharmaceutical companies, government agencies and academic institutions. Net sales break down by activity as follows:
- discovery and safety assessment services (60.5%): discovery services for the identification, screening and selection of main compounds for the development of new drug candidates, and in vivo and in vitro testing, including pharmacokinetic, bioanalytical, metabolic, toxicological and pathological studies, for the safety assessment of pharmaceutical products, medical devices, animal health products, chemical and agrochemical products and biocides;
- development and sale of research models and related services (20.5%): mice, rats, immunodeficient models, rabbits, guinea pigs, hamsters, etc. The group also offers primary cells and specialized products (bioconservation products, freezing media for cell cultures, antigens, peptides, humanized mouse models, etc.) for the development and manufacture of new cell therapies ;
- development of solutions used in drug manufacturing processes (19%): products and services for microbiological testing, in vitro testing, endotoxin testing, microbial identification, development, manufacturing of avian vaccines, etc. The group also offers contract manufacturing services for cell and gene therapies.
Net sales break down by source of income between sales of services (81.6%) and sales of products (18.4%).
Net sales are distributed geographically as follows: the United States (55.3 Europe (26.6%), Canada (11.9%), Asia/Pacific (4.9%) and other (1.3%).
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