About This Deal

CHARLES RIVER LABORATORIES INTERNATIONAL, INC. acquired Oncotest GmbH for $36.0 million, a transaction completed in November 2015, structured as all cash.

Oncotest GmbH operates in Discovery and Safety Assessment (DSA) — In Vivo Discovery, is based in Germany. Oncotest GmbH was a Germany-based CRO providing discovery services for oncology, with patient-derived xenograft (PDX) and syngeneic models.

The purpose of this acquisition was to expand our oncology services capabilities, enabling us to provide clients with access to a more comprehensive portfolio of technologies, including patient-derived xenograft (PDX) and syngeneic models. The preliminary purchase price for Oncotest was $36.0 million.

In Vivo Discovery business, DSA segment

Deal Terms

Acquirer
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Target
Oncotest GmbH
Value
$36.0 million
Date
November 2015
Type
Full acquisition
Status
Ready

Transaction Details

Target HQ
Germany
Segment
Discovery and Safety Assessment (DSA) — In Vivo Discovery
Structure
all cash
Announced
November 1, 2015
Closed
November 1, 2015

In Their Words

In November 2015, we acquired Oncotest GmbH (Oncotest), a CRO providing discovery services for oncology, one of the largest therapeutic areas for biopharmaceutical research and development spending. The purpose of this acquisition was to expand our oncology services capabilities. The preliminary purchase price for Oncotest was $36.0 million.Charles River FY2015 10-K, Business Acquisitions note

Advisors

Advisory firms were not disclosed for this transaction.

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Sources: Press release ↗ · Last updated June 11, 2026

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