London LSE: GSK GlaxoSmithKline plc (GSK) stock price chart (LSE: GSK, NYSE: GSK)

GlaxoSmithKline plc (GSK) (LSE: GSK, NYSE: GSK) : British multinational pharmaceutical company. Its products include pharmaceuticals, vaccines, oral healthcare, nutritional products, over-the-counter medicines. Its subsidiaries are Stiefel Laboratories, Tesaro, ViiV Healthcare. It is one of the world's largest pharmaceutical companies along with Pfizer, Novartis, Roche, Sanofi, and Merck & Co., China Resources, Johnson & Johnson, Sinopharm, Bayer. Industry : Pharmaceutical, Biotechnology, Consumer goods. FTSE 100 Component. Headquarters: London, England, United Kingdom. In 1873, as Joseph Nathan and Co was founded. In 2000, GlaxoSmithKline plc (GSK) was established by a merger of Glaxo Wellcome and SmithKline Beecham.