IMS Health was an American company that provided information, services and technology for the healthcare industry. IMS stood for Intercontinental Medical Statistics. It was the largest vendor of U.S. physician prescribing data.[2][3][4] IMS Health was founded in 1954 by Bill Frohlich and David Dubow with Arthur Sackler having a hidden ownership stake.[5] In 2010, IMS Health was taken private by TPG Capital, CPP Investment Board and Leonard Green & Partners.[6] The company went public on April 4, 2014, and began trading on the NYSE under the symbol IMS.[1][7]