New York-based Pfizer Inc. (PFE) is a leading global biopharmaceutical company. With a market cap of $139.3 billion, it is focused on discovering, developing, and commercializing medicines and vaccines. Founded in 1849, Pfizer operates across multiple therapeutic areas, including oncology, vaccines, cardiology, immunology, rare diseases, and internal medicine. It is best known in recent years for its COVID-19 vaccine and antiviral treatment, developed in partnership with BioNTech. Shares of this pharmace ...