Profile

Gilead Sciences, Inc. /ˈɡɪliəd/, is an American biopharmaceutical company headquartered in Foster City, California that researches, develops and commercializes drugs. The company focuses primarily on antiviral drugs used in the treatment of HIV, hepatitis B, hepatitis C, and influenza, including Harvoni and Sovaldi. Gilead is a member of the NASDAQ Biotechnology Index and the S&P 500.