中科海讯股价跌5%，长城基金旗下1只基金重仓，持有450万股浮亏损失1089万元

Core Viewpoint - Zhongke Haixun experienced a 5% decline in stock price, trading at 45.95 CNY per share, with a total market capitalization of 5.424 billion CNY as of September 23 [1] Company Overview - Zhongke Haixun Digital Technology Co., Ltd. was established on July 18, 2005, and listed on December 6, 2019. The company is based in Haidian District, Beijing, and specializes in the research, production, and sales of sonar-related products [1] - The revenue composition of the company includes: Signal Processing Platform (41.94%), Underwater Acoustic Big Data and Simulation System (39.42%), Sonar System (17.69%), and Others (0.95%) [1] Shareholder Information - Changcheng Fund's Changcheng Jiujia Innovation Growth Mixed A (004666) is among the top ten circulating shareholders of Zhongke Haixun, having increased its holdings by 2.5 million shares to a total of 4.5 million shares, representing 3.95% of circulating shares [2] - The fund has incurred an estimated floating loss of approximately 10.89 million CNY as of the report date [2] Fund Performance - Changcheng Jiujia Innovation Growth Mixed A (004666) was established on July 5, 2017, with a current scale of 2.051 billion CNY. Year-to-date returns are 34.82%, ranking 2397 out of 8172 in its category; the one-year return is 113%, ranking 395 out of 7995; and since inception, the return is 118.89% [2] - The fund manager, You Guoliang, has been in position for 5 years and 337 days, with the fund's total asset size at 3.805 billion CNY. The best return during his tenure is 140.82%, while the worst is -15.93% [3] Fund Holdings - Changcheng Jiujia Innovation Growth Mixed A (004666) holds 4.5 million shares of Zhongke Haixun, making it the third-largest holding in the fund, accounting for 5.92% of the fund's net value [4] - The estimated floating loss for the fund regarding Zhongke Haixun is approximately 10.89 million CNY [4]