Warren Buffett is one of the most closely followed investors in the world and is best known as the chairman and CEO of Berkshire Hathaway. This Warren Buffett (Berkshire Hathaway) portfolio page tracks Berkshire Hathaway holdings, stock picks, latest portfolio moves, and historical 13F filing changes so readers can see which public companies Berkshire Hathaway owns and how disclosed positions change over time. Buffett's investment approach is commonly associated with long-term value investing, durable competitive advantages, strong cash generation, and concentrated ownership in high-quality businesses across technology, financial services, consumer brands, energy, and transportation. Top disclosed holdings and portfolio changes shown on this page include American Express Company Common Stock (AXP), Alphabet Cl A (GOOGL), Coca-Cola Company (The) Common Stock (KO), Chevron Corporation Common Stock (CVX), and Amazon.com, Inc. - Common Stock (AMZN). Investors use Berkshire Hathaway 13F filings to study portfolio concentration, new buys, trims, exits, sector exposure, and the market evidence behind the latest disclosed holdings.