Pharma BD Deal Intelligence

Bristol-Myers Squibb Company / Amylin Pharmaceuticals

2012 · Acquisition/Merger · $5.3B · Complete

A $5.3B acquisition that gave BMS an injectable diabetes portfolio (Byetta/Bydureon) but delivered a partially-achieved outcome, with financial return the weakest dimension of the deal. Strategic fit was sound, though integration and pipeline payoff never matched the price tag.

WRONG BY 36 POINTS

BMS / Amylin Pharmaceuticals: Partially Achieved (Score: 46/100)

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The coverage arc

Mar 01, 2004 Wikipedia Neutral

BMS acquired Amylin Pharmaceuticals for $5.3B for diabetes treatment portfolio.

Aug 09, 2012 AstraZeneca and BMS complete diabetes alliance expansion through Amylin acquisition - AstraZeneca Neutral

AstraZeneca made a $3.4 billion cash payment as part of Bristol-Myers Squibb's acquisition of Amylin Pharmaceuticals, making Amylin a wholly owned subsidiary…

Apr 24, 2026 Bristol-Myers Squibb Agrees to Acquire Amylin for $5.3 Billion - BioPharm International Bullish

Bristol-Myers Squibb agreed to acquire Amylin Pharmaceuticals for $31 per share or approximately $5.3 billion, with total transaction value of about $7 billion…

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BMS acquired Amylin Pharmaceuticals for $5.3B for diabetes treatment portfolio.

Did it work? Outcome assessment

BMS / Amylin Pharmaceuticals: Partially Achieved (Score: 46/100)

Strategic verdict
Partially Achieved

Key facts

Disease & market context

Type 2 Diabetes (GLP-1 Agonists)

21M US cases/yr · $16.0B US Diabetes Therapeutics Market (2012) · $7B Total Transaction Value (incl. debt)

Disease Overview

Amylin pioneered GLP-1 agonist therapy with Byetta (2005) and Bydureon (approved Jan 2012). BMS's $5.3B acquisition ($7B total) added these to the BMS-AZ diabetes alliance. GLP-1 agonists became one of pharma's most important drug classes.

Post-Deal Impact

AZ took full ownership in 2014. Bydureon achieved ~$600M peak but was eclipsed by Victoza/Ozempic (semaglutide). The GLP-1 class exploded to >$40B annually by 2024 driven by weight loss (Wegovy, Mounjaro). Amylin's pioneering role established the class but did not capture its eventual value.

Deal timeline

Related deals — scored

DealYearValueOutcome
Bristol-Myers Squibb Company / Amylin Pharmaceuticals (this deal)2012$5.3B39
Bristol-Myers Squibb Company / Medarex Inc.2009$2.4B92
Bristol-Myers Squibb Company / Celgene Corporation2019$74.0B77
Bristol-Myers Squibb Company / MyoKardia Inc.2020$13.1B76
Bristol-Myers Squibb Company / Karuna Therapeutics2023$14.0B76
Bristol-Myers Squibb Company / Ono Pharmaceutical Co., Ltd.201176
Bristol-Myers Squibb Company / SystImmune Inc.2023$8.4B71

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