Pharma BD Deal Intelligence

AbbVie Inc. / Shire plc

2014 · Acquisition/Merger · $54.0B · Terminated

CALLED IT — OFF BY 5
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Top 5 biggest flops we track Top 10 largest deals of the 2010s

Ranks computed across 828 graded deals (Critic + Outcome Score both present).

The coverage arc

Jul 18, 2014 Chemical & Engineering News Bullish

AbbVie and Shire agree on a $54 billion merger deal, with AbbVie paying about $54 billion in cash and stock to Shires shareholders in a tax inversion…

Jan 22, 2016 AbbVie Shire failed acquisition Bearish

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AbbVie agreed to acquire Shire in a $54 billion deal that would have moved AbbVie's tax domicile to Ireland. AbbVie terminated the deal in October 2014 after the US Treasury tightened tax inversion rules, paying Shire a $1.635 billion breakup fee.

Key facts

Related deals — scored

DealYearValueOutcome
AbbVie Inc. / Shire plc (this deal)2014$54.0B30
AbbVie Inc. / Boehringer Ingelheim GmbH2016$2.2B95
AbbVie Inc. / Genmab A/S2020$3.9B81
AbbVie Inc. / Pharmacyclics Inc.2015$21.0B79
AbbVie Inc. / Apogee Therapeutics, Inc.2026$10.9B72
AbbVie Inc. / ImmunoGen Inc.2023$10.1B69
AbbVie Inc. / Gilgamesh Pharmaceuticals Inc.2024$2.0B64

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