Pharma BD Deal Intelligence

Roche Holding AG / Ventana Medical Systems Inc.

2008 · Acquisition/Merger · $3.4B · Complete

CALLED IT — OFF BY 17

Hostile takeover created precision medicine diagnostics powerhouse testing 41M patients

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The coverage arc

Mar 24, 2004 Wikipedia Neutral

Roche acquired Ventana Medical Systems for $3.4B for tissue diagnostics and pathology solutions.

Jan 22, 2008 Bullish

Roche Holding AG to acquire Ventana Medical Systems Inc for $89.50 per share in definitive merger agreement to boost cancer testing business.

Jul 09, 2025 Bullish

Ventana Medical Systems and Roche Tissue Diagnostics change the pathology landscape over 40 years since the acquisition transformed cancer diagnostics.

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Roche acquired Ventana Medical Systems for $89.50 per share in cash (approximately $3.4 billion), after an initial hostile bid of $75 per share was rejected. Ventana was a leader in automated tissue-based diagnostics for cancer and infectious disease, and became Roche Tissue Diagnostics.

Key facts

Related deals — scored

DealYearValueOutcome
Roche Holding AG / Ventana Medical Systems Inc. (this deal)2008$3.4B88
Roche Holding AG / Chugai Pharmaceutical Co. Ltd.2002$1.4B100
Roche Holding AG / Corange Ltd. (Boehringer Mannheim Group)1997$11.0B88
Roche Holding AG / Ventana Medical Systems Inc.2007$3.4B88
Roche Holding AG / Foundation Medicine, Inc.2015$1.1B87
Roche Holding AG / Foundation Medicine, Inc.2018$5.3B85
Roche Holding AG / GlycArt Biotechnology AG2005$182M80

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