Regulatory filings show Warren Buffett's Berkshire Hathaway has sold about 101 million Wells Fargo shares in recent weeks.<br />The billionaire investor's company cut its holdings by about 43% to 136 million shares, slashing its stake to 3.3%.<br />The sales come after Berkshire sold 25% of its Wells Fargo position in the second quarter.<br />Berkshire was previously Wells Fargo's largest shareholder.<br />Business Insider reports that Wells Fargo was one of its five most valuable positions earlier this year.
