Activision Blizzard, Inc. [a] is an American video game holding company based in Santa Monica, California. [3] Activision Blizzard currently includes three business units: [4] Activision Publishing, Blizzard Entertainment, King, [5] Founded in July 2008 through the merger of Activision, Inc. (the publicly traded parent company of Activision Publishing) and Vivendi Games, the company …