BioWorld’s three-part analysis of M&As sought to discover successful transactions and to understand the trend of multibillion-dollar deals that have become commonplace in the last decade. Instead, more than 80% of the acquisitions explored simply indicate that buyers are paying too much, suggesting that transactions meant to restore pipelines and revenues with innovative and marketed products are sometimes akin to high-stakes gambling. In part three, the final part of this series, we examine four more disappointments in which the return on investment (ROI) remains well behind the price paid in acquiring the company.

Due diligence plays a significant role in M&A transactions, but the eventual return on investments don’t always add up to the purchase price. While some companies such as Abbvie Inc. and Bristol Myers Squibb Co. – as shown in part one of this three-part series – have succeeded in acquiring products able to surpass M&A sticker prices, the vast majority of deals analyzed by BioWorld showed that most buyers remain significantly in the red.

As the number of mega-mergers have increased in recent years, and the purchase price of innovative companies rises, it is apparent that many lucrative buyouts fail to meet expectations, although a few outperform from time to time.