15 Largest Biotech Companies in the World

9. GlaxoSmithKline (NYSE:GSK)

GSK  has a current market cap of $117.2 billion, while in 2013, it hit its highest ever market cap of $174.9 billion. The company has a long history when you consider the companies that merged to form GSK, but GSK itself is only 19 years old, having been formed in 2000 with the merger of Glaxo Wellcome and SmithKline Beecham. The company’s claim to fame is the development of the first ever malaria vaccine while it also provides some products included in the World Health Organization’s List of Essential Medicines, including amoxicillin. In 2019, it earned revenue of nearly $44 billion.

GlaxoSmithKline plc (ADR) (NYSE:GSK)

Pixabay/Public Domain