伯克希尔一季度大幅减持银行股 全面清仓花旗，苹果仍为第一大持仓

Core Viewpoint - Berkshire Hathaway, led by Warren Buffett, has made significant changes to its investment portfolio in the first quarter, including selling its entire stake in Citigroup and reducing holdings in Bank of America and Capital One Financial, while maintaining its major positions in Apple, American Express, Coca-Cola, and Chevron [2][3]. Group 1: Portfolio Changes - Berkshire sold 14,639,502 shares of Citigroup and reduced its stake in Bank of America by over 7%, selling 48,660,056 shares, while still holding over 631.5 million shares [2]. - The company also reduced its holdings in Capital One Financial by approximately 4%, selling 300,000 shares [2]. - Additionally, Berkshire completely exited its position in Nu Holdings, selling 40 million shares, and cut its investment in Liberty Formula One by about half to 3.5 million shares [2]. Group 2: Major Holdings - Apple remains Berkshire's largest single investment, with 300 million shares representing about 25% of its total stock portfolio, valued at $66.6 billion as of March 31 [3]. - Other significant holdings include American Express, Coca-Cola, Bank of America, and Chevron [3]. Group 3: Management and Strategy - The trading activity in the first quarter was relatively low, with Todd Combs and Ted Weschler managing about 10% of Berkshire's stock portfolio independently from Buffett [3][4]. - Buffett announced plans to step down as CEO by the end of the year, passing leadership to Greg Abel while continuing as chairman [4]. Group 4: Regulatory Filings and Market Insights - Berkshire is required to file Form 13F with the SEC within 45 days after the end of each quarter, disclosing its long-term holdings, which are closely monitored by market observers [4]. - The company has requested confidentiality for certain stock investments in its 13F report, likely to avoid market attention while accumulating positions [4][5]. - In the first quarter, Berkshire had a net stock sell of $3.2 billion, with total purchases of $3.2 billion and sales of $4.7 billion, while cash and U.S. Treasury holdings reached a record $333 billion [5].