Group 1 - Berkshire Hathaway's Q2 2025 13F filing reveals significant investment adjustments, indicating a strategic response to the U.S. economic structure and market risks [1] - The previously secretive position of nearly $5 billion is identified as a stake in Nucor (NUE), with 6.61 million shares valued at approximately $857 million, reflecting a bullish outlook on the steel industry due to infrastructure investments and manufacturing recovery [2] - New positions in real estate and healthcare stocks, including UnitedHealth (UNH) and Lennar (LEN), suggest a focus on long-term housing demand and stability in essential sectors [3] Group 2 - Increased holdings in energy and consumer sectors, such as Chevron (CVX) and Pool Corp (POOL), highlight a dual strategy of cash flow stability and consumer demand [4][5] - Core positions in companies like Coca-Cola (KO) and American Express (AXP) remain unchanged, indicating a commitment to brands with strong cash flow [6] - The exit from T-Mobile (TMUS) and reductions in positions in Bank of America (BAC) and Apple (AAPL) signal a cautious approach towards high-valuation sectors amid macroeconomic uncertainties [7] Group 3 - The overall investment strategy reflects a rotation away from financial and tech sectors towards industrial, healthcare, and real estate, emphasizing defensive and cash flow-oriented investments [8] - The focus on industrial stocks like NUE suggests a bet on manufacturing recovery and infrastructure cycles, while healthcare investments enhance defensive positioning [8]