硬AI·2025-08-15 09:19Core Viewpoint - Billionaire Bill Ackman has made significant investments in major tech stocks, including a new position in Amazon valued at approximately $1.28 billion and a substantial increase in Alphabet shares, reflecting optimism about AI commercialization prospects [2][3][14]. Investment in Amazon - Ackman's Pershing Square Capital Management acquired over 5.8 million shares of Amazon, worth about $1.28 billion, making it the fourth-largest holding in the portfolio, accounting for 9.31% [3][10][19]. - The investment coincided with a rebound in Amazon's stock price, which has increased by 5.3% this year after previously dropping over 30% due to concerns about generative AI and U.S. tariff policies [3][12]. Increase in Alphabet Holdings - Ackman significantly increased his stake in Alphabet by adding 925,000 shares, a 20.84% increase, bringing the total value of his holdings in Alphabet to approximately $945 million [7][12][13]. - This move indicates a strategic focus on technology giants, aligning with Ackman's investment philosophy [8][14]. Strategic Shift in Portfolio - Ackman's recent actions suggest a broader strategy of reallocating assets towards companies with scalable AI ecosystems, as evidenced by his investments in Amazon and Alphabet, as well as companies like Hertz and Hilton [14][15][16]. - The strategy contrasts with his decision to exit positions in companies like Canadian Pacific, which are still in the early stages of AI integration [16][18]. Overall Portfolio Composition - As of the end of Q2, Pershing Square's portfolio consisted of 11 stocks, with the top five holdings being Uber Technologies (20.59%), Brookfield Corp (18.54%), Restaurant Brands International (11.11%), Amazon (9.31%), and Howard Hughes Holdings (9.27%) [19].