アクティビジョン・ブリザード
Activision Blizzard, Inc. is an American video game holding company based in Santa Monica, California. The company was founded in July 2008 through the merger of Activision, Inc. (the publicly traded parent company of Activision Publishing) and Vivendi Games. The company is traded on the NASDAQ stock exchange under the ticker symbol ATVI, and since 2015 has been one of the stocks that make up the S&amp;P 500. Activision Blizzard currently includes five business units: Activision Publishing, Blizzard Entertainment, King, Major League Gaming, and Activision Blizzard Studios.