AFR(SZ:300620) Xin Lang Cai Jing·2025-09-23 02:10Company Overview - Guangku Technology Co., Ltd. is located in Zhuhai, Guangdong Province, established on November 9, 2000, and listed on March 10, 2017. The company specializes in the design, research and development, production, sales, and service of optical fiber devices, as well as non-residential real estate leasing and import-export agency services [1]. Business Segmentation - The main business revenue composition is as follows: optical communication devices account for 46.91%, optical fiber laser devices 42.54%, LiDAR light source modules and devices 8.68%, and others 1.87% [1]. Stock Performance - On September 23, Guangku Technology's stock fell by 5.29%, trading at 130.90 CNY per share, with a transaction volume of 1.716 billion CNY and a turnover rate of 5.17%. The total market capitalization is 32.618 billion CNY [1]. Shareholder Information - Among the top ten circulating shareholders of Guangku Technology, a fund under Southern Fund holds a significant position. The Southern CSI 1000 ETF (512100) increased its holdings by 219,300 shares in the second quarter, bringing its total to 1,150,500 shares, which represents 0.47% of the circulating shares. The estimated floating loss today is approximately 8.4102 million CNY [2]. Fund Performance - The Southern CSI 1000 ETF (512100) was established on September 29, 2016, with a latest scale of 64.953 billion CNY. Year-to-date returns are 27.06%, ranking 1867 out of 4220 in its category; over the past year, returns are 69.5%, ranking 1280 out of 3814; and since inception, returns are 12.44% [2]. Fund Management - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has been in the position for 6 years and 322 days. The total asset scale under management is 94.976 billion CNY, with the best fund return during the tenure being 137.06% and the worst being -15.93% [3].