Overview

• Berkshire Hathaway has sold 150.1 million Bank of America shares since mid-July.
• The sales have added around $6 billion to Berkshire's cash reserves.
• Despite the reductions, Berkshire retains an 11.4% stake in Bank of America.
• The reasons behind the sales remain undisclosed by Buffett or Berkshire.
• Berkshire's cash pile reached a record $277 billion as of June 30.