Warren Buffett Is Leaving Successor Greg Abel With a Highly Concentrated Portfolio That Has More Than 50% of Berkshire's $307 Billion Invested in 3 Stocks

Core Insights - Warren Buffett will step down as CEO of Berkshire Hathaway in three months, after 60 years in the role, passing leadership to Greg Abel [1][2][4] - Buffett's tenure has resulted in a cumulative return exceeding 6,000,000% for Berkshire's Class A shares [2] - Berkshire Hathaway's investment portfolio is valued at $307 billion, with over $344 billion in total assets, and more than 50% of the portfolio concentrated in three stocks [4] Company Summaries Apple - Apple represents $71.9 billion, or 23.4% of Berkshire's invested assets, but has seen a 69% reduction in shares since September 30, 2023 [5][4] - Buffett's interest in Apple is driven by its loyal customer base and premium pricing, which provides a pricing and margin advantage [6] - Apple's management under CEO Tim Cook has shifted focus towards higher-margin subscription services, enhancing brand loyalty [7] - The company has spent over $796 billion on share repurchases since 2013, significantly reducing outstanding shares and boosting earnings per share [9] - The future of Apple as a core investment under Abel's leadership is uncertain due to its lack of physical device growth and high price-to-earnings ratio [10] American Express - American Express is valued at $51.6 billion, or 16.8% of invested assets, and has been a long-term holding since 1991 [12][4] - It generates revenue from both payment services and lending, benefiting from high-earning cardholders who are less likely to alter spending during economic downturns [14][15] - American Express offers a dividend yield approaching 39% annually based on Berkshire's cost basis [16] Bank of America - Bank of America is valued at $31.4 billion, or 10.2% of invested assets, with Buffett reducing his position by 41% recently [17][4] - The financial sector has been a consistent focus for Buffett, appreciating the cyclical nature of economic cycles that benefit banks [18] - Bank of America has seen significant net interest income growth due to rising interest rates, but recent selling may relate to a shift towards a rate-easing cycle [20] - The stock has appreciated from a 62% discount to a 39% premium to book value over 14 years, raising questions about its future as a top holding [21]