华尔街见闻·2025-08-15 10:38Core Viewpoint - Billionaire hedge fund manager Bill Ackman has made significant investments in major tech stocks, including a new position in Amazon valued at nearly $1.3 billion and a substantial increase in his stake in Alphabet, reflecting optimism about AI investment opportunities [1][5][12]. Group 1: Amazon Investment - Ackman's Pershing Square Capital Management acquired over 5.8 million shares of Amazon, valued at approximately $1.28 billion, making it the fourth-largest holding in the portfolio [1][8][9]. - Amazon's stock has rebounded by 5.3% this year after previously declining over 30% due to concerns about generative AI and U.S. tariff policies [2][11]. - The timing of Ackman's investment coincided with a low point in Amazon's stock price, showcasing his contrarian investment strategy [2][12]. Group 2: Alphabet Investment - Ackman increased his holdings in Alphabet by 925,000 shares, a 20.84% increase, bringing the total value of his investment in Alphabet to approximately $945 million [5][11]. - This increase in Alphabet shares reflects Ackman's strategy to invest in companies with strong competitive advantages in AI and cloud computing [12][16]. Group 3: Investment Strategy - Ackman's recent moves indicate a shift towards larger allocations in tech giants, emphasizing a positive outlook on the commercialization of AI technology [6][12]. - The strategy includes reallocating assets towards companies with proven AI scalability, contrasting with his divestment from companies like Canadian Pacific and Chipotle, which are still in the early stages of AI integration [13][14]. - Ackman has also made minor adjustments to existing holdings, slightly increasing stakes in Hertz Global and Hilton Worldwide, indicating a balanced approach between tech and traditional sectors [15][16].