Core Viewpoint - Public fund institutions remain highly active in conducting research on A-share companies, with a total of 146 institutions participating in 1,198 research instances during the week of May 5 to May 11, 2025, covering 156 stocks across 24 primary industries [1]. Group 1: Top Stocks in Research - The top ten stocks with the highest research frequency include: - LeiHan Intelligent (54 times, +3.41%) - BeiGene (49 times, -6.76%) - YiHe JiaYe (44 times, +10.70%) - DeMingLi (37 times, -3.14%) - XiangXin Technology (36 times, +5.32%) - AoHua Endoscopy (35 times, +4.30%) - WenJian Medical (35 times, -1.47%) - HongHua Digital Science (33 times, +8.77%) - XingYe YinXi (31 times, -1.73%) - ZhouDaSheng (29 times, +0.77%) [2]. Group 2: Industry Focus - The mechanical equipment industry stands out with LeiHan Intelligent leading in research frequency, attracting nearly 30% of public institutions [2]. - The pharmaceutical and biotechnology sector is also a major focus, with BeiGene and YiHe JiaYe ranking second and third in research frequency, respectively [3]. - The electronic, pharmaceutical, and mechanical equipment sectors are the primary areas of interest for public fund research, with a total of 538 research instances, accounting for 44.91% of all public fund research activities [3].

Group 1 - A new wave of stock buybacks is occurring among A-share listed companies, coinciding with the latest portfolio adjustments of several billion-yuan fund managers [1][12] - Zhang Kun, deputy general manager of E Fund, sold 3 million shares of China Merchants Bank on April 29 due to exceeding the 10% limit of the fund's net asset value, amounting to approximately 127 million yuan [1][4] - Zhang Kun significantly increased his holdings in SF Express by 31.7 million shares during the first quarter of 2025 [1][5] Group 2 - Chen Hao, manager of E Fund's Quality Momentum Fund, increased his stake in Jianyou Co., a pharmaceutical stock, during April [1][7] - Fund managers Hu Xinwei and Gao Nan both increased their positions in durable consumer goods company Jiayi Co. [1][8] - Zhao Xiaodong, director of equity investment at Guohai Franklin Fund, increased his holdings in Huangjiu stock Guyue Longshan [1][10] Group 3 - The electronic and pharmaceutical industries topped the list of public fund research in April, with Luxshare Precision being the most favored stock, receiving over 100 research visits [1][12] - A total of 169 stocks received significant attention from public funds in April, with 22 stocks having research frequencies exceeding 50 times [1][12] - The electronic industry dominated the research focus, with Luxshare Precision receiving 182 visits, followed by other electronic stocks like Huidian Co. and Lanke Technology [1][13]

Group 1 - In April, public fund institutions conducted a total of 9,796 research visits on A-share listed companies, marking a 129.47% increase compared to March, reaching a new high for the year [1] - A total of 162 public fund institutions participated in the research, covering 732 stocks across 30 primary industries [1] - The electronic and pharmaceutical biotechnology sectors were the most favored, with 98 electronic stocks receiving 1,754 visits and 100 pharmaceutical biotechnology stocks receiving 1,400 visits [1]

Core Insights - April marks a critical month for A-share listed companies as they disclose annual and quarterly reports, leading to intensified research activities by public funds [1] - A total of 162 public fund institutions conducted research on A-share listed companies in April, covering 732 stocks across 30 primary industries, with a total of 9,796 research instances, representing a 129.47% increase from March and setting a new high for research activity in the year [1] Industry Analysis - The electronics and pharmaceutical industries led in research activity, with the electronics sector dominating the top ten most-researched stocks [1] - Luxshare Precision (002475) topped the list of most-researched stocks, followed by Huada Technology (002463), Lanke Technology, and Anker Innovation (300866) in the electronics sector [1] - In the pharmaceutical sector, stocks such as East China Pharmaceutical (000963), Aibo Medical, Aopumai, and Kaili Medical (300633) received significant attention [1] Stock Performance - Among the researched stocks, Red Bull (002165) from the basic chemical industry achieved the highest increase in stock price, soaring by 104.27%, making it the biggest dark horse of the month [1] - In the automotive sector, Lin Tai New Materials saw a remarkable stock price increase of 84.94% in April [1] - The pharmaceutical and biological sector also performed well, with Yipin Hong (300723) and Kexing Pharmaceutical recording stock price increases of 56.20% and 55.19%, respectively, both making it into the top ten for price increases [1]