Warren Buffet’s holding company Berkshire Hathaway buys stake in DaVita 2/15/2012 Tweet Email a Friend Print Article Berkshire Hathaway has bought 2.68 million shares of DaVita as of Dec. 31, 2011. The new investment is thought to be the work of new investment manager Ted Weschler. CLICK HERE TO READ MORE MORE IN RENAL BUSINESS Tweet Email a Friend Print Article