中科海讯股价涨5.13%，长城基金旗下1只基金位居十大流通股东，持有328万股浮盈赚取678.96万元

Group 1 - Zhongke Haixun's stock increased by 5.13%, reaching 42.42 CNY per share, with a trading volume of 1.93 billion CNY and a turnover rate of 4.08%, resulting in a total market capitalization of 5.008 billion CNY [1] - The company, Beijing Zhongke Haixun Digital Technology Co., Ltd., was established on July 18, 2005, and went public on December 6, 2019. Its main business involves the research, development, production, and sales of sonar-related products [1] - The revenue composition of Zhongke Haixun includes: signal processing platform 41.94%, underwater big data and simulation systems 39.42%, sonar systems 17.69%, and others 0.95% [1] Group 2 - Changcheng Jiujia Innovation Growth Mixed A Fund (004666) is among the top ten circulating shareholders of Zhongke Haixun, having reduced its holdings by 1.22 million shares to 3.28 million shares, representing 2.88% of the circulating shares [2] - The fund has achieved a year-to-date return of 3.75%, ranking 3215 out of 8874 in its category, and a one-year return of 94.63%, ranking 182 out of 8124 [2] - The fund manager, You Guoliang, has been in position for 6 years and 105 days, with the fund's total asset size at 5.058 billion CNY and a best return of 249.11% during his tenure [3]