-->WASHINGTON (Reuters) - Berkshire Hathaway Inc. (BRKa.N: Quote, Profile, Research) (BRKb.N: Quote, Profile, Research), a company run by billionaire investor Warren Buffett, on Monday revealed previously undisclosed holdings of shares in Anheuser-Busch Cos. (BUD.N: Quote, Profile, Research) and Wal-Mart Stores Inc. (WMT.N: Quote, Profile, Research).

According to amended U.S. regulatory documents, Berkshire Hathaway disclosed that it held 44.7 million shares of Anheuser-Busch stock valued at about $1.9 billion and 19.9 million shares of Wal-Mart stock valued at about $874 million as of September 30.