That conclusion is further supported by the fact that Berkshire had $277 billion in cash and U.S. Treasuries on its balance sheet as of the June quarter, another record for the company. Finally, Buffett repurchased a mere $345 million in Berkshire stock during the June quarter, which marks his smallest allocation to stock buybacks in six years.

Warren Buffett's turn to cash indicates that now is not the best time for high equity exposure, David Einhorn wrote.

U.S. stocks are rising Wednesday following better-than-expected profit reports from Morgan Stanley, United Airlines and other big companies. The S&P 500 was 0.5% higher in afternoon trading, a day after sliding from its all-time high because of tumbling energy and technology stocks.

Warren Buffett's Berkshire Hathaway continued to increase its stake in SiriusXM, now owning 32% of the New York-based satellite radio company.The Omaha, Nebraska-based conglomerate purchased roughly 3.

Warren Buffett's Berkshire Hathaway is buying the rest of its utility unit from the estate of a longtime board member who died three years ago, but it's not clear exactly how much it will pay for the 8% stake.

This followed Liberty Media's tracking stocks with SiriusXM in early September and a restructuring of Malone's media assets while also spinning out the Atlanta Braves a company in which Berkshire owns stakes.