ViiV Healthcare is a British multinational pharmaceutical company specializing in the research and development of medicines to treat and prevent HIV/AIDS. Its global headquarters is located in London. The company was created as a joint venture by GSK and Pfizer in November 2009, with both companies transferring their HIV assets to the new company.[1] In 2012, Shionogi joined the company. As of December 2023, 76.5% of the company is owned by GSK, 13.5% by Pfizer and 10% by Shionogi.[2] According to The Financial Times, the company's co-ownership structure may change depending on the achievement of certain milestones.[1]
ViiV Healthcare's products have a market share of approximately 32% of the global HIV therapy market, making it the second-largest healthcare company in the sector, after Gilead Sciences.[3]