Core Viewpoint - The article focuses on the latest 13F filings from institutional investors, particularly highlighting the third-quarter holdings of H&H Investment Company managed by Duan Yongping, revealing significant investment strategies and changes in stock positions [2][3]. Group 1: Apple (AAPL) - H&H Investment Company slightly reduced its Apple holdings by 0.82% (approximately 290,000 shares), maintaining a significant position valued at $8.9 billion, which constitutes 60.42% of the total portfolio [6]. - Duan Yongping views Apple favorably, citing its alignment with his investment philosophy, although he acknowledges that the stock is "not cheap" at current levels [6][7]. Group 2: Berkshire Hathaway (BRK.B) - A notable increase in Berkshire Hathaway holdings was observed, with an addition of 1.81 million shares, marking a 53.53% increase in the third quarter [8]. - Duan Yongping expressed confidence in Berkshire Hathaway, emphasizing its strong corporate culture and long-term value compared to other investment options [8]. Group 3: ASML and AI Investments - H&H Investment Company initiated a new position in ASML, acquiring 80,000 shares valued at approximately $77.45 million, which is part of a broader strategy to invest in AI and semiconductor sectors [10]. - The combined investment in AI-related companies, including Microsoft, NVIDIA, and TSMC, represents 5.77% of the total portfolio, amounting to about $850 million [10]. Group 4: Views on AI and Semiconductor Industry - Duan Yongping acknowledges the ongoing debate about the AI bubble but believes it is essential to engage with the sector to avoid missing opportunities [11]. - He recognizes NVIDIA's strong ecosystem and expresses admiration for its CEO, Jensen Huang, while also noting the competitive landscape in the semiconductor industry, particularly regarding TSMC's dominance [12][13].