Pharma BD Deal Intelligence

Roche Holding AG / Mirus Bio Corporation

2008 · Acquisition/Merger · $125M · Complete

WRONG BY 65 POINTS

Roche paid $125M for Mirus Bio's RNAi therapeutics arm in 2008 and abandoned the entire RNAi field just two years later, giving the assets, Madison site, and staff away to Arrowhead Research for a nominal $50,000 note plus minority equity.

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The coverage arc

Jul 22, 2008 GenomeWeb Bullish

GenomeWeb described the deal as Roche 'expanding its stable of RNAi delivery technologies,' building on the prior Alnylam alliance to assemble the broadest…

Oct 21, 2011 GEN (Genetic Engineering & Biotechnology News) Bearish

Three-year postscript: Roche transferred the former Mirus Bio Madison, WI facility, DPC platform, ~40 scientists and IP to Arrowhead in 2011 after exiting RNAi…

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RNAi delivery, dynamic polyconjugate; transfection reagents spun out as Mirus Bio LLC

Did it work? Outcome assessment

Roche paid $125M for Mirus Bio's RNAi therapeutics arm in 2008 and abandoned the entire RNAi field just two years later, giving the assets, Madison site, and staff away to Arrowhead Research for a nominal $50,000 note plus minority equity.

Strategic verdict
Failed to Achieve

Key facts

Related deals — scored

DealYearValueOutcome
Roche Holding AG / Mirus Bio Corporation (this deal)2008$125M10
Roche Holding AG / Chugai Pharmaceutical Co. Ltd.2002$1.4B100
Roche Holding AG / Ventana Medical Systems Inc.2008$3.4B88
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

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