Pfizer (NYSE:PFE) is a global biopharmaceutical company that discovers, develops, manufactures and commercializes prescription medicines and vaccines. Its portfolio addresses a range of therapeutic areas, including oncology, inflammation and immunology, internal medicine, hospital care, rare diseases and infectious diseases. The company serves patients and healthcare providers in markets worldwide.
Pfizer’s products include the Comirnaty COVID-19 vaccine, the Prevnar family of pneumococcal vaccines, and medicines such as Eliquis, Ibrance, Vyndaqel and Zavzaret. The company also conducts research in areas such as cancer, cardiovascular disease, immunology, infectious diseases and vaccines, while partnering with other pharmaceutical and biotechnology organizations to advance new treatments.
Founded in Brooklyn, New York, in 1849 by Charles Pfizer and Charles Erhart, Pfizer has expanded through internal research, licensing agreements and acquisitions. Notable transactions include its acquisition of Wyeth in 2009, Hospira in 2015 and Seagen in 2023. In 2020, Pfizer’s established brands business was combined with Mylan to form Viatris.
Pfizer is headquartered in New York City and operates research, manufacturing and commercial organizations across North America, Europe, Asia and other international markets. Albert Bourla has served as the company’s chairman and chief executive officer since 2019.