苏试试验2月25日获融资买入3117.86万元，融资余额5.42亿元

Group 1 - The core viewpoint of the news is that Suzhou Su Test Experiment Group Co., Ltd. has shown significant financial activity, with a notable increase in trading volume and changes in financing and margin trading positions [1][2]. Group 2 - As of February 25, Su Test Experiment's stock price increased by 1.72%, with a trading volume of 327 million yuan. The financing buy amount was 31.18 million yuan, while the financing repayment was 50.76 million yuan, resulting in a net financing buy of -19.58 million yuan [1]. - The total margin trading balance for Su Test Experiment reached 543 million yuan, with the financing balance accounting for 5.80% of the circulating market value, indicating a high level compared to the past year [1]. - On the same day, the company had no shares repaid in margin trading, with 20,100 shares sold short, amounting to 369,000 yuan at the closing price. The short selling balance was 84,000 shares, also at a high level compared to the past year [1]. Group 3 - Su Test Experiment, established on December 29, 2007, and listed on January 22, 2015, specializes in environmental and reliability testing services for industrial products, with a revenue composition of 49.19% from reliability testing services, 31.27% from testing equipment, and 15.63% from integrated circuit validation services [2]. - For the period from January to September 2025, the company reported 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, with a year-on-year increase of 7.14% [2]. Group 4 - 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, up by 81.94%, while the average circulating shares per person decreased by 45.06% to 12,034 shares [2][3]. - Among the top ten circulating shareholders, Hong Kong Central Clearing Limited held 4.3163 million shares, a decrease of 4.4241 million shares from the previous period, while new shareholders included Southern CSI 1000 ETF and Fortune Steady Growth Mixed A [3].