Suzhou Everbright Photonics (SH:688048) Xin Lang Cai Jing·2025-11-28 03:44Core Viewpoint - Changguang Huaxin's stock price has increased by 54.23% over the past three days, reaching 120.71 CNY per share, with a market capitalization of 21.279 billion CNY [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 revenue composition includes: 76.98% from high-power single-tube series, 11.47% from VCSEL and optical communication chips, 5.54% from high-power bar series, 5.05% from other sources, and 0.96% from waste sales [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 Q3, totaling 966,200 shares, which is 0.91% of the circulating shares [2] - The ETF has generated a floating profit of approximately 5.7487 million CNY today and 38.9848 million CNY during the three-day price increase [2] - The Southern CSI 1000 ETF was established on September 29, 2016, with a current scale of 76.63 billion CNY and year-to-date returns of 23.3% [2] Fund Manager Performance - The fund manager of Southern CSI 1000 ETF, Cui Lei, has a tenure of 7 years and 23 days, managing assets totaling 122.76 billion CNY, with the best fund return of 167.8% during his tenure [3] Fund Holdings - Southern Fund's Southern STAR Market Comprehensive ETF Link A (023731) also holds Changguang Huaxin as its sixth-largest position, with 42 shares held in Q3 [4] - This fund has generated a floating profit of approximately 249.9 CNY today and 1,694.7 CNY during the three-day price increase [4] - The Southern STAR Market Comprehensive ETF Link A was established on April 8, 2025, with a current scale of 97.6034 million CNY and a return of 32.32% since inception [4]