华尔街见闻·2025-08-15 02:02Core Viewpoint - The article highlights the recent portfolio adjustments of Duan Yongping, a well-known investor and follower of Warren Buffett's value investing philosophy, revealing significant increases in holdings of AI stocks like Google and NVIDIA, along with additional investments in Apple and Pinduoduo, while reducing positions in Alibaba and Microsoft. Group 1: Portfolio Overview - Duan Yongping's H&H International Investment reported a total portfolio value of $11.53 billion as of June 30, 2025, with Apple being the largest holding at $7.205 billion, accounting for over 62% of the portfolio [1][4] - The second-largest holding is Berkshire Hathaway, making up approximately 14.2% of the portfolio, followed by Pinduoduo at 7.86%, Occidental Petroleum at 4.94%, and Alibaba at 3.68% [1][4] Group 2: Key Adjustments - A notable reversal occurred with Apple, where H&H increased its holdings by 894,426 shares, representing a 2.61% increase, reaffirming confidence in Apple's long-term value [3][4] - In the AI sector, H&H significantly increased its stake in NVIDIA by nearly 319,700 shares, a 49.56% rise, and aggressively bought over 830,000 shares of Google, marking a 75.17% increase, indicating a strong bullish outlook on AI leaders [5][6] Group 3: Other Holdings and Adjustments - Duan Yongping continued to show strong support for Pinduoduo, increasing holdings by over 900,000 shares, an 11.72% rise, solidifying its position as the third-largest holding in the portfolio [7] - The portfolio saw no changes in the position of Berkshire Hathaway, while a slight reduction was made in Occidental Petroleum by 1.95% and a decrease in Alibaba holdings [8]