Suzhou Everbright Photonics (SH:688048) Xin Lang Cai Jing·2025-11-10 02:54Core Viewpoint - Changguang Huaxin experienced a decline of 5.01% on November 10, with a stock price of 83.12 yuan per share and a total market capitalization of 14.652 billion yuan [1] Company Overview - Changguang Huaxin, established on March 6, 2012, is located in Suzhou, Jiangsu Province, and specializes in the research, manufacturing, and sales of semiconductor laser chips, devices, and modules [1] - The company's main revenue sources are as follows: high-power single-tube series (76.98%), VCSEL and optical communication chip series (11.47%), high-power bar series (5.54%), other (5.05%), and waste sales (0.96%) [1] Shareholder Information - Southern Fund's Southern CSI 1000 ETF (512100) is among the top ten circulating shareholders of Changguang Huaxin, having increased its holdings by 11,500 shares in the third quarter, totaling 966,200 shares, which represents 0.91% of circulating shares [2] - The estimated floating loss for this fund today is approximately 4.2318 million yuan [2] Fund Performance - The Southern CSI 1000 ETF (512100) has a total asset size of 76.63 billion yuan and has achieved a year-to-date return of 28.09%, ranking 1978 out of 4216 in its category [2] - Over the past year, the fund has returned 19.29%, ranking 2042 out of 3917, and since inception, it has returned 13.35% [2] Fund Manager Information - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has been in the position for 7 years and 5 days, with a total asset size of 122.76 billion yuan [3] - During Cui Lei's tenure, the best fund return was 178.4%, while the worst was -15.93% [3] Top Holdings - The Southern Science and Technology Innovation Board Comprehensive ETF Link A (023731) also holds Changguang Huaxin as its sixth-largest position, with 42 shares held [4] - The estimated floating loss for this fund today is approximately 183.96 yuan [4] Additional Fund Manager Information - The fund managers for Southern Science and Technology Innovation Board Comprehensive ETF Link A (023731) are Yang Kaining and Pan Shuiyang [5] - Yang Kaining has been in the role for 1 year and 7 days, managing assets totaling 1.28 billion yuan, with a best return of 63.11% and a worst return of -0.38% [5] - Pan Shuiyang has been in the role for 1 year and 249 days, managing assets of 7.828 billion yuan, with a best return of 86.61% and a worst return of -6.44% [5]