Group 1 - Fund managers are actively seeking new investment opportunities through a combination of portfolio adjustments and research activities in the current market environment [1] - Notable changes in shareholder structures of several A-share listed companies indicate clear investment trends from well-known fund managers [3] - The latest data shows significant increases in holdings for certain funds, such as the Guangfa High-end Manufacturing Fund, which increased its stake substantially compared to the previous quarter [3] Group 2 - Institutional research activities are intensifying, with BoShi Fund leading with 945 research engagements, followed by HuaXia Fund with 867 [4] - Prominent fund managers are frequently participating in company research activities, focusing on key topics such as capital expenditure planning and technology iteration [4] - YiHeDa has gained the highest attention in research activities in June, with several well-known institutions participating in discussions on various topics including drug development and international cooperation [4]

近5日机构合计调研302家公司，肇民科技、中微公司、华测检测等被多家机构扎堆调研。 证券时报·数据宝统计，近5个交易日（5月27日至6月3日）两市约302家公司被机构调研，调研机构类型 显示，证券公司共对272家公司进行调研，即90.07%的上市公司调研活动有证券公司参与；基金公司调 研232家，位列其后；阳光私募机构调研119家，排名第三。 机构调研榜单中，共有69家公司获20家以上机构扎堆调研。肇民科技最受关注，参与调研的机构达到 281家；中微公司被212家机构调研，榜单中排名第二；华测检测、拓荆科技等分别被187家、179家机构 调研。 机构调研次数来看，三友联众机构调研最为密集，共获机构4次调研。能辉科技、周大生等机构调研也 较为密集，均被机构调研3次。 数据宝统计，20家以上机构扎堆调研股中，近5日资金净流入的有24只，中科金财近5日净流入资金4.04 亿元，主力资金净流入最多；净流入资金较多的还有海大集团、北特科技等，净流入资金分别为2.46亿 元、1.27亿元。 市场表现上，机构扎堆调研股中，近5日上涨的有27只，涨幅居前的有华纳药厂、科兴制药、益方生物 等，涨幅为64.66%、53.29%、 ...

证券研究报告/投资策略 机构调研、股东增持与公司回购策略周报（20250526-20250530） 投资要点 ➢ 机构调研热门公司梳理 近30天机构调研数前二十的热门公司有大族激光、周大生、曼卡龙、斯迪克、汇 川技术等。近5天机构调研数前二十的热门公司有大族激光、三友联众、周大生、 能辉科技、斯迪克等。近30天机构调研数前二十的热门公司中评级机构家数大于 或等于10家的有3家，分别为周大生、汇川技术和深南电路。深南电路、台华新 材、大族激光2024年归母净利润相较2023年实现较大增长。 ➢ 本周A股上市公司重要股东增持情况 2025年5月26日至2025年5月30日，发布重要股东增持进展情况公告的公司共计 2家，分别为中国黄金和新华医疗，拟增持金额上下限均值占最新公告日市值比 例分别为1.76%和1.61%。 ➢ 本周A股上市公司回购情况 ➢ 2025/01/01-2025/05/30部分上市公司回购情况 2025年1月1日至5月30日，共计1491家公司发布回购进展情况公告，评级机 构家数大于10家（含10家）的共329家公司，其中回购比例较大，预计回购 金额上下限均值占预案日市值比例大于1%的有99家， ...

Core Viewpoint - The article highlights the recent trends in stock financing and institutional research activities, indicating potential investment opportunities in specific sectors and companies. Financing Activities - As of May 29, the total market financing balance reached 1.8 trillion yuan, a decrease of 1.128 billion yuan from the previous trading day [2]. - On May 29, 300 stocks had a net financing buy-in of over 10 million yuan, with 26 stocks exceeding 50 million yuan in net buy-in [2]. - The top three stocks by net financing buy-in were Shenghong Technology (2.47 billion yuan), Huichuan Technology (1.5 billion yuan), and Xinyi Technology (1.28 billion yuan) [3]. Sector Analysis - The sectors with the highest concentration of stocks receiving over 50 million yuan in net financing included: - Computer: 4 stocks - Automotive: 3 stocks - Power Equipment: 3 stocks [2]. Institutional Research - From May 28 to May 29, 99 companies announced institutional research records, with 26 companies receiving visits from 10 or more institutions [6]. - Jin Di Co., Ltd. had the highest participation with 78 institutions, focusing on the company's R&D and products related to eVTOL electric vertical takeoff and landing aircraft [7]. Company Specifics - Jin Di Co., Ltd. is involved in manufacturing bearing retainers and automotive precision components, which attracted significant institutional interest [7]. - Huaci Co., Ltd. and Shuanglin Co., Ltd. announced non-public issuance plans, with Huaci aiming to raise 700 million yuan for the ASEAN Ceramic Valley project and Shuanglin targeting 1.5 billion yuan for various industrial projects [5].

5月以来，机构调研热度持续攀升。数据显示，截至5月20日，5月以来已有逾500家上市公司吸引各类机 构探访。从行业看，机构调研呈现鲜明的赛道偏好，电子、机械设备等行业获机构"扎堆"调研。其中， 电子行业"人气最高"公司安集科技获241家机构调研，机械设备行业关注度最高的公司恒而达 （300946）获238家机构调研。从调研内容看，机构关注的重点仍是上市公司基本面表现，包括业务布 局、产品情况、业绩表现等。(上海证券报) ...

| 873576 | 天力复合 | 1 | 19 | 36.75 | 12.45 | 有色金属 | | --- | --- | --- | --- | --- | --- | --- | | 002639 | 雪人股份 | 2 | 19 | 8.96 | 6.79 | 机械设备 | | 300695 | 兆丰股份 | 1 | 19 | 97.50 | 19.02 | 汽车 | | 000906 | 浙商中拓 | 2 | 19 | 6.52 | 2.03 | 交通运输 | | 300580 | 贝斯特 | 1 | 18 | 26.52 | -8.04 | 汽车 | | 301501 | 恒鑫生活 | 2 | 18 | 82.66 | 33.67 | 轻工制造 | | 002557 | 洽洽食品 | 2 | 17 | 23.32 | -0.34 | 食品饮料 | | 688332 | 中科蓝讯 | 1 | 17 | 94.39 | -4.94 | 电子 | | 688233 | 神工股份 | 1 | 17 | 27.97 | -2.58 | 电子 | | 002657 | 中科金财 | 1 | 17 | 20.4 ...

证券研究报告/投资策略 机构调研、股东增持与公司回购策略周报（20250512-20250518） 投资要点 ➢ 机构调研热门公司梳理 近30天机构调研数前二十的热门公司有华明装备、雅戈尔、曼卡龙、中际联合、 泰和新材和塞恩斯等。近5天机构调研数前二十的热门公司有泰和新材、星帅尔、 农产品、国脉科技、雅化集团和东方嘉盛等。近30天机构调研数前二十的热门公 司中评级机构家数大于或等于10家的有7家，分别为华明装备、中际联合、周大 生、伟星新材、怡和嘉业、华利集团和小商品城。华明装备、中际联合、华利集 团和小商品城2024年归母净利润相较2023年实现较大增长。 ➢ 本周A股上市公司重要股东增持情况 2025年5月5日至2025年5月9日，发布重要股东增持进展情况公告的公司共计13 家，评级机构家数大于10家（含10家）的有3家，拟增持金额上下限均值占最新 公告日市值比例大于1%的共5家，分别为*ST庚星、海南发展、中铁工业、华懋科 技和玲珑轮胎。 ➢ 本周A股上市公司回购情况 2025年5月12日至2025年5月16日，共计109家公司发布回购进展情况公告，评 级机构家数大于10家（含10家）的共20家公司，其 ...

Group 1: Hunan YN Energy - In Q1 2025, Hunan YN Energy's net profit declined year-on-year due to rising raw material prices, despite a significant increase in product sales to 222,600 tons [1] - The company faces external challenges such as US-China tariffs and fluctuations in lithium carbonate prices, but market demand remains strong [1] - New product series CN-5, YN-9, and YN-13 have gained customer recognition, with sales proportion reaching approximately 37% in Q1, and expected to increase throughout the year [1] - The company is advancing its 50,000-ton lithium battery cathode material project in Spain and anticipates mining operations at Huangjiapo Phosphate Mine to commence in the second half of the year [1] - Future plans include deepening the integrated industrial layout of 'resources-precursor-cathode materials-recycling' to reduce costs and enhance quality [1] Group 2: Walden Materials - Walden Materials has adjusted its 2024 annual report to better reflect its strategic positioning and business structure [2] - The growth in operating performance for 2024 and Q1 2025 is attributed to increased R&D efforts, market expansion, and improved automation and production efficiency [2] - The demand for high-speed communication wire continues to grow, with high capacity utilization and stable yield for 224G high-speed communication wire [2] - The automotive communication wire segment is expanding rapidly, with products being delivered in bulk [2] - The company plans to issue H-shares and go public to support its international strategy, enhance brand image, and broaden financing channels [2] Group 3: East China Pharmaceutical - East China Pharmaceutical has set higher goals in its eighth three-year plan, focusing on innovative product launches and team capability enhancement [3] - The company aims to balance resource utilization by improving efficiency and project quality, ensuring maximum R&D efficiency [3] - Optimized payment policies will allow approximately 35% of products to receive payments in the following month, reducing the average turnover period to 45 days [3] - The medical beauty business is expected to grow, driven by new product launches and consumer upgrades [3] - The industrial microbiology sector will continue to implement large-scale cultivation plans, focusing on cost reduction and efficiency improvement [3] - The company is confident in achieving sustainable international cooperation through license-out agreements [3]

Group 1 - The core viewpoint of the article highlights that a well-known private equity firm, Guangzhou Jinkong Asset Management Co., conducted research on a listed company, Yubang New Materials, indicating positive developments in the company's performance and strategic direction [1][2]. - Yubang New Materials reported a quarter-on-quarter recovery in profits, primarily driven by the increased volume of multilayer composite welding strips and a rise in overseas orders contributing to profitability [1]. - The company is experiencing a strong order situation and maintains a high capacity utilization rate, indicating robust operational performance [1]. Group 2 - The company is focusing on optimizing its product structure, particularly by enhancing the production capacity of more profitable welding strip products, while dynamically adjusting its strategic planning in line with industry trends [1]. - Yubang New Materials is actively expanding its overseas market presence, targeting high-quality component customers in regions such as Southeast Asia, Europe, Africa, and South America [1]. - The company aims to enhance customer loyalty and expand its overseas sales scale through product reliability, technological advancement, brand influence, and service responsiveness [1].

➢ 机构调研热门公司梳理 证券研究报告/投资策略 机构调研、股东增持与公司回购策略周报（20250505-20250511） 投资要点 近30天机构调研数前二十的热门公司有华明装备、常熟银行、广电运通、云南白 药、比亚迪等。近5天机构调研数前二十的热门公司有曼卡龙、周大生、稳健医 疗、珠江啤酒和盛和资源等。近30天机构调研数前二十的热门公司中评级机构家 数大于或等于10家的有11家，分别为比亚迪、华利集团、伟星新材、常熟银行、 伟星股份等。比亚迪、华利集团、常熟银行、伟星股份、潍柴动力、云南白药、 拓邦股份、华明装备和中际联合2024年归母净利润相较2023年实现较大增长。 ➢ 本周A股上市公司重要股东增持情况 2025年5月5日至2025年5月9日，发布重要股东增持进展情况公告的公司共计13 家，评级机构家数大于10家（含10家）的有3家，拟增持金额上下限均值占最新 公告日市值比例大于1%的共5家，分别为*ST庚星、海南发展、中铁工业、华懋科 技和玲珑轮胎。 ➢ 本周A股上市公司回购情况 ➢ 2025/01/01-2025/05/11部分上市公司回购情况 2025年1月1日至5月11日，共计1456家公司发 ...