长光华芯股价涨5.01%，南方基金旗下1只基金位居十大流通股东，持有95.47万股浮盈赚取332.24万元

Company Overview - Changguang Huaxin is a semiconductor laser chip manufacturer based in Suzhou, Jiangsu Province, established on March 6, 2012, and listed on April 1, 2022 [1] - The company's main business includes the research, manufacturing, and sales of core components in the laser industry, such as semiconductor laser chips, devices, and modules [1] Financial Performance - As of September 5, Changguang Huaxin's stock price increased by 5.01%, reaching 72.96 CNY per share, with a trading volume of 563 million CNY and a turnover rate of 7.44%, resulting in a total market capitalization of 12.861 billion CNY [1] - The revenue composition of the company is as follows: high-power single-tube series accounts for 76.98%, VCSEL and optical communication chip series 11.47%, high-power bar series 5.54%, other products 5.05%, and waste sales 0.96% [1] Shareholder Information - Among the top ten circulating shareholders of Changguang Huaxin, a fund under Southern Fund, the Southern CSI 1000 ETF (512100), entered the top ten in the second quarter, holding 954,700 shares, which is 0.9% of the circulating shares [2] - The estimated floating profit for this fund today is approximately 3.3224 million CNY [2] Fund Manager Profile - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has been in the position for 6 years and 304 days [3] - The total asset size of the fund is 94.976 billion CNY, with the best fund return during the tenure being 127.43% and the worst being -22.33% [3]