Core Insights - The article discusses the latest investment moves of prominent investor Duan Yongping, revealing his portfolio adjustments and new positions in various U.S. stocks, particularly focusing on his recent acquisition of ASML shares and changes in holdings of major tech companies [1][3]. Group 1: Investment Portfolio Overview - Duan Yongping's investment account, H&H, holds 11 U.S. stocks with a total market value of $14.68 billion, equivalent to approximately 104.2 billion RMB [1]. - As of Q3 2025, the largest holding is Apple, valued at $8.869 billion, representing 60.42% of the portfolio, followed by Berkshire Hathaway B shares at $2.610 billion, accounting for 17.78% [2]. - New positions include 80,000 shares of ASML, valued at $77.45 million, which constitutes 0.53% of the portfolio [1][2]. Group 2: Changes in Holdings - In Q3, Duan Yongping increased his stake in Berkshire Hathaway B shares while reducing holdings in Apple, Pinduoduo, Alibaba, Google C, and Nvidia [1]. - The portfolio saw a decrease in Apple shares by 289,500, while Berkshire Hathaway B shares were increased by 1,810,000 [2]. - The portfolio remains unchanged for Western Oil, Microsoft, Disney, and TSMC [1][2]. Group 3: Investment Philosophy - Duan Yongping emphasizes the importance of understanding the business and future cash flows when investing, stating that many companies are difficult to comprehend [3]. - He highlights that his significant investments have been in companies like Apple, Tencent, and Moutai, indicating a preference for well-understood businesses [3].