About This Deal

CHARLES RIVER LABORATORIES INTERNATIONAL, INC. acquired Explora BioLabs Holdings, Inc. for $284.5 million, net of $6.6 million cash, a transaction completed in April 2022, structured as all cash.

Explora BioLabs Holdings, Inc. operates in Research Models and Services (RMS) — Insourcing Solutions, is based in United States (San Diego, California). Explora BioLabs was a provider of contract vivarium research services, providing biopharmaceutical clients with turnkey in vivo vivarium facilities, management and related services to efficiently conduct their early-stage research activities.

The acquisition of Explora BioLabs complements our existing Insourcing Solutions business, specifically our CRADL (Charles River Accelerator and Development Lab) footprint, and offers incremental opportunities to partner with an emerging client base. The purchase price of Explora BioLabs was $284.5 million, net of $6.6 million in cash.

RMS segment, Insourcing Solutions (CRADL)

Deal Terms

Acquirer
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Target
Explora BioLabs Holdings, Inc.
Value
$284.5 million, net of $6.6 million cash
Date
April 2022
Type
Full acquisition
Status
Ready

Transaction Details

Target HQ
United States (San Diego, California)
Segment
Research Models and Services (RMS) — Insourcing Solutions
Structure
All cash
Announced
April 5, 2022
Closed
April 5, 2022

In Their Words

The acquisition of Explora BioLabs complements our existing Insourcing Solutions business, specifically our CRADL (Charles River Accelerator and Development Lab) footprint, and offers incremental opportunities to partner with an emerging client base. The purchase price of Explora BioLabs was $284.5 million, net of $6.6 million in cash.Charles River FY2022 10-K, Business Acquisitions note

Advisors

Advisory firms were not disclosed for this transaction.

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Sources: Press release ↗ · Last updated July 8, 2026

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