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What smart money is saying about Charles River Laboratories International, Inc.United States flag

CRL · Healthcare · Medical - Diagnostics & Research · Market cap $9.96B

3 funds in our archive have pitched Charles River Laboratories International, Inc. — most recently Ariel Mid Cap Value in December 2025.

Company profile

Charles River Laboratories International, Inc., a non-clinical contract research organization, provides drug discovery, non-clinical development, and safety testing services in the United States, Europe, Canada, the Asia Pacific, and internationally. It operates through three segments: Research Models and Services (RMS), Discovery and Safety Assessment (DSA), and Manufacturing Solutions (Manufacturing). The RMS segment produces and sells rodent research model strains and purpose-bred rats and mice for use by researchers. This segment also provides a range of services to assist its clients in supporting the use of research models in research and screening non-clinical drug candidates, including research models, genetically engineered models and services, insourcing solutions, and research animal diagnostic services. The DSA segment offers early and in vivo discovery services for the identification and validation of novel targets, chemical compounds, and antibodies through delivery of non-clinical drug and therapeutic candidates ready for safety assessment; and safety assessment services, such as toxicology, pathology, safety pharmacology, bioanalysis, drug metabolism, and pharmacokinetics services. The Manufacturing segment provides in vitro methods for conventional and rapid quality control testing of sterile and non-sterile pharmaceuticals and consumer products. This segment also offers specialized testing of biologics that are outsourced by pharmaceutical and biotechnology companies; and avian vaccine services that provide specific-pathogen-free (SPF) fertile chicken eggs, SPF chickens, and diagnostic products used to manufacture vaccines. The company also provides contract vivarium operation services to biopharmaceutical clients. Charles River Laboratories International, Inc. was founded in 1947 and is headquartered in Wilmington, Massachusetts.

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2
Reported positions
0
Bought
1
Sold
5
Letters

Position history

Between Q4 2024 and Q2 2026, 2 fund letters reported a position in Charles River Laboratories International, Inc.1 trimmed or exited.

Fund letters reporting a position in Charles River Laboratories International, Inc., by quarter
QuarterLettersBoughtSoldTheses
Q2 20262010
Q4 20250001
Q2 20250001
Q4 20240001

Fund activity · 2 positions · 1 move

Fund coverage · 3 theses

Read every full thesis on Charles River Laboratories International, Inc.

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