Warren Buffett Stocks: Citigroup Inc. By: TalkMarkets June 27, 2022 at 23:37 PM EDT As of March 31st, 2022, Buffett’s Berkshire Hathaway owned about 5.2 million shares of Citigroup Inc. for a market value of $2.9 billion. Read More >> Related Stocks: Berkshire Hathaway Citigroup