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Wilmington, Massachusetts-based Charles River Laboratories International, Inc. (CRL) is a contract research organization. It provides drug discovery, non-clinical development, and safety testing services. With a market cap of approximately $8 billion, Charles Rivers operates through Research Models and Services (RMS), Discovery and Safety Assessment (DSA), and Manufacturing Solutions segments.
The healthcare major has notably underperformed the broader market over the past year. CRL stock prices have declined 13.7% over the past 52 weeks and 12.2% on a YTD basis, compared to the S&P 500 Index’s ($SPX) 10.5% gains over the past year and 11.2% returns in 2025.