Warren Buffett has long complained that Berkshire Hathaway has become so huge that it’s difficult to find acquisitions that are both undervalued and large enough to make a material difference to the company’s bottom line.

Investors often use Berkshire Hathaway's quarterly-filed Form 13Fs to track Warren Buffett's trading activity. Buffett has been a net seller of stocks for nine consecutive quarters, which has ballooned Berkshire's cash pile to $334 billion.

One of the most amazing statistics of his tenure is that Berkshire stock could fall 99% and still be ahead of the S&P 500 since Buffett took control of the company in 1965. Berksh