Core Viewpoint - The report highlights the investment strategies and portfolio adjustments of Morgan Stanley fund manager Lei Zhiyong, focusing on the digital economy sector, particularly in intelligent computing infrastructure and AI applications [2][10]. Group 1: Fund Performance and Management - Lei Zhiyong's managed fund size increased by over 50% in Q1 2025, reaching a total management scale of 55.31 billion yuan, up from 36.09 billion yuan in the previous quarter [5]. - The fund "Damo Digital Economy Mixed" saw a net subscription of 763 million units during Q1, bringing its latest scale to 52.33 billion yuan, a nearly 55% increase from the end of last year [5]. - The fund maintained a high stock position, with stock holdings exceeding 90%, and made slight increases compared to the previous quarter [6]. Group 2: Investment Focus and Adjustments - The top ten holdings of the Damo Digital Economy Mixed fund remained stable, with structural adjustments made in individual stocks. New additions included KOTAI Power, Lens Technology, and Shenghong Technology, while stocks like Zhongji Xuchuang and Huadian were removed [7]. - The fund continues to focus on the digital economy sector, with a positive outlook on intelligent computing infrastructure and AI applications for future investment opportunities [9][10]. Group 3: Market Environment and Challenges - The market environment in 2025 has not been favorable for Lei Zhiyong, with only one of the three managed funds, Damo Wan Zhong Innovation, showing a profit, while the others reported negative returns [10]. - The strategy of focusing on the technology sector reflects Lei Zhiyong's long-term belief in AI, but the current market performance indicates that this approach may not yield leading returns compared to diversified investments [10].