Apple(US:AAPL) 聪明投资者·2025-11-17 00:05Core Insights - The article discusses the latest holdings of major investment firms in the US stock market as of Q3 2025, highlighting significant changes in their portfolios, particularly focusing on Berkshire Hathaway's new positions and adjustments in various tech stocks [2][10]. Group 1: Berkshire Hathaway's Holdings - Berkshire Hathaway reduced its stake in Apple by over 40 million shares in Q3, marking a 15% decrease in share count, yet Apple remains the largest holding, increasing its portfolio percentage from 22.31% to 22.69% due to stock price appreciation [3][4]. - Notably, Berkshire initiated a significant position in Google, acquiring shares worth approximately $4.3 billion, making it the tenth largest holding, indicating a strategic shift towards tech investments [5][10]. - In Q3, Berkshire's total holdings reached $267 billion, up from $258 billion in Q2, with a net selling of $12.5 billion in stocks, marking the twelfth consecutive quarter as a net seller [10][13]. Group 2: Other Investment Firms' Activities - Li Lu's Himalaya Capital maintained its positions without any changes in Q3, with the portfolio value increasing from $2.69 billion to $3.23 billion, primarily due to the strong performance of Pinduoduo [18][19]. - Hillhouse Capital significantly increased its stake in Alibaba by 186%, making it the second largest holding, while also entering a new position in Baidu valued at over $210 million [21][22]. - Jinglin Asset Management raised its holdings in Google and Nvidia substantially, with Google becoming the fifth largest holding after a significant increase in shares [25][26]. Group 3: Market Trends and Observations - Despite concerns about an AI bubble, the presence of AI-related assets in institutional portfolios continues to grow, reflecting a strong belief in the sector's potential [8]. - David Tepper's Appaloosa Management maintained a strong position in Alibaba, which remains the largest holding, despite reducing exposure to other Chinese stocks [30][31]. - Bridgewater Associates displayed a diversified approach, with a slight decrease in concentration among top holdings, while also adjusting positions in tech stocks like Nvidia and Google [31][32].