Business Description

Charles River Laboratories International Inc., founded in 1947 and headquartered in Wilmington, Massachusetts, United States, is a premier contract research organization providing comprehensive preclinical and clinical laboratory services. The company’s flagship offerings include in vivo and in vitro testing, toxicology studies, and integrated preclinical development solutions under its CRL Discovery Services. Under the leadership of CEO James C. Foster since 2017, CRL has secured a leading position in the global CRO market with an estimated 15% market share in its preclinical segment. Focused on digital transformation and strategic growth initiatives, the company is poised to achieve an anticipated annual revenue growth of 8-10%.

Everything on Charles River Laboratories International Inc.

Revenue (FY2025) $4.02B
YoY growth +-0.9%
Operating margin 0.6%
Direction Expanding
Gross margin 33.0%
Net margin -3.5%

Earnings Transcripts

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Charles River Laboratories International acquires Inveresk Research Group, Inc. — Discovery and Safety Assessment (DSA) · 2004 View full deal ↗ Charles River Laboratories International acquires MPI Research — Discovery and Safety Assessment (DSA) · 2018 View full deal ↗ Charles River Laboratories International acquires WIL Research — Discovery and Safety Assessment (DSA) · 2016 View full deal ↗ Charles River Laboratories International acquires Citoxlab — Discovery and Safety Assessment (DSA) · 2019 View full deal ↗ Charles River Laboratories International acquires HemaCare Corporation — Manufacturing Support — Biologics / cell therapy · 2020 View full deal ↗ Charles River Laboratories International acquires Celsis Group Limited — Manufacturing Support — Microbial Solutions · 2015 View full deal ↗ Charles River Laboratories International acquires Argenta and BioFocus (CRO services division of Galapagos NV) — Discovery and Safety Assessment (DSA) — Early Discovery · 2014 View full deal ↗ Charles River Laboratories International acquires Agilux Laboratories — Discovery and Safety Assessment (DSA) · 2016 View full deal ↗ Charles River Laboratories International acquires ChanTest — Discovery and Safety Assessment (DSA) — Early Discovery · 2014 View full deal ↗ Charles River Laboratories International acquires Oncotest GmbH — Discovery and Safety Assessment (DSA) — In Vivo Discovery · 2015 View full deal ↗ Charles River Laboratories International acquires Brains On-Line — Discovery and Safety Assessment (DSA) · 2018 View full deal ↗ Charles River Laboratories International acquires KWS BioTest Limited — Discovery and Safety Assessment (DSA) · 2018 View full deal ↗ Charles River Laboratories International acquires Blue Stream Laboratories — Discovery and Safety Assessment (DSA) · 2016 View full deal ↗ Charles River Laboratories International acquires Sunrise Farms, Inc. — Manufacturing Support — Avian Vaccine Services · 2015 View full deal ↗ Charles River Laboratories International acquires VivoPath LLC — Discovery and Safety Assessment (DSA) — In Vivo Discovery · 2014 View full deal ↗

Share Repurchase Program

Total authorized
$1.0 billion
Remaining (As of December 27, 2025 (FY2025; new authorization approved October 29, 2025))
$1.0 billion
Latest FY repurchased
$350.0 million

Recent SEC Filings

2026-05-11 Leadership change (directors/officers) (+1 more) View filing ↗
2026-05-07 Reported quarterly results View filing ↗
2026-02-25 Regulation FD disclosure View filing ↗
2026-02-18 Leadership change (directors/officers) View filing ↗
2026-02-18 Reported quarterly results View filing ↗
2026-01-13 Reported quarterly results (+1 more) View filing ↗
2026-01-09 Leadership change (directors/officers) View filing ↗
2025-12-03 Regulation FD disclosure View filing ↗
2025-11-17 Other event View filing ↗
2025-11-05 Reported quarterly results View filing ↗
2025-09-16 Leadership change (directors/officers) (+1 more) View filing ↗
2025-08-06 Reported quarterly results View filing ↗

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