苏试试验1月15日获融资买入6526.98万元，融资余额6.19亿元

Core Viewpoint - Suzhou Su Test Experiment Group Co., Ltd. has shown a mixed performance in terms of stock trading and financial results, with significant financing activities indicating high investor interest, while also experiencing fluctuations in shareholder composition and dividend distributions [1][2][3]. Group 1: Stock Performance and Financing - On January 15, Su Test Experiment's stock fell by 3.03%, with a trading volume of 544 million yuan [1]. - The financing buy-in on the same day was 65.27 million yuan, while the financing repayment was 57.34 million yuan, resulting in a net financing buy of 7.93 million yuan [1]. - As of January 15, the total financing and securities lending balance was 621 million yuan, with the financing balance accounting for 6.67% of the circulating market value, indicating a high level compared to the past year [1]. Group 2: Company Overview and Financial Performance - Su Test Experiment, established on December 29, 2007, and listed on January 22, 2015, specializes in environmental and reliability testing services for industrial products [2]. - The company's revenue composition includes 49.19% from environmental reliability testing services, 31.27% from testing equipment, 15.63% from integrated circuit verification and analysis services, and 3.91% from other services [2]. - For the period from January to September 2025, the company achieved a revenue of 1.532 billion yuan, representing a year-on-year growth of 8.95%, and a net profit attributable to shareholders of 157 million yuan, up 7.14% year-on-year [2]. Group 3: Dividend and Shareholder Composition - Since its A-share listing, Su Test Experiment has distributed a total of 367 million yuan in dividends, with 211 million yuan distributed over the past three years [3]. - As of September 30, 2025, the number of shareholders increased to 42,000, with an average of 12,034 circulating shares per person, a decrease of 45.06% from the previous period [2][3]. - Notable changes in institutional holdings include Hong Kong Central Clearing Limited as the fifth-largest shareholder, reducing its holdings by 4.4241 million shares, while new entrants include Southern CSI 1000 ETF and Fortune Steady Growth Mixed A [3].