Shares of Wells Fargo & Co. plunged $13 Thursday, after wire services reported that Warren E. Buffett had sold all his shares-a report that the bank denied.

Reuters, Dow Jones, and Bloomberg noted a filing by Berkshire Hathaway Inc. indicating that Mr. Buffett's investment vehicle, which at last report was Wells' largest shareholder with a 7.82% stake, owned no stock in the bank as of June 30.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.