Buffett's Berkshire bought Activision shares before Microsoft takeover

FILE PHOTO: Berkshire Hathaway Chairman Warren Buffett walks through the exhibit hall as shareholders gather to hear from the billionaire investor at Berkshire Hathaway Inc's annual shareholder meeting in Omaha, Nebraska, U.S., May 4, 2019. REUTERS/Scott Morgan

(Reuters) - Warren Buffett's Berkshire Hathaway Inc acquired nearly $1 billion of shares in Activision Blizzard Inc before Microsoft Corp agreed to buy the video game maker for $68.7 billion, according to a Monday regulatory filing.

Berkshire said that as of Dec. 31, it owned 14.7 million shares worth about $975 million of the "Call of Duty" maker.