NATA OPTO-ELECT(SZ:300346) Xin Lang Cai Jing·2025-10-14 02:36Group 1 - Nanda Optoelectronics experienced a decline of 5.53% on October 14, with a stock price of 43.20 yuan per share, a trading volume of 1.834 billion yuan, a turnover rate of 6.33%, and a total market capitalization of 29.858 billion yuan [1] - The company, established on December 28, 2000, and listed on August 7, 2012, specializes in the production, research, and sales of advanced electronic materials, with applications in integrated circuits, flat panel displays, LEDs, third-generation semiconductors, photovoltaics, and semiconductor lasers [1] - The revenue composition of Nanda Optoelectronics includes specialty gas products at 60.95%, precursor materials (including MO sources) at 27.80%, other products at 7.02%, and additional items at 4.23% [1] Group 2 - Guolian An Fund has a fund listed among the top ten circulating shareholders of Nanda Optoelectronics, having increased its holdings by 1.8255 million shares to a total of 7.3342 million shares, representing 1.12% of the circulating shares [2] - The fund, Guolian An CSI Semiconductor Products and Equipment ETF Link A (007300), was established on June 26, 2019, with a current scale of 1.669 billion yuan, and has achieved a year-to-date return of 50.82%, ranking 553 out of 4220 in its category [2] - The fund has a one-year return of 72.8%, ranking 222 out of 3857, and a cumulative return since inception of 204.49% [2] Group 3 - The fund managers of Guolian An CSI Semiconductor Products and Equipment ETF Link A are Huang Xin and Zhang Zhenyuan, with Huang having a tenure of 15 years and 186 days and a total fund asset size of 42.052 billion yuan, achieving a best return of 204.34% during his tenure [3] - Zhang Zhenyuan has a tenure of 11 years and 317 days, managing assets totaling 40.822 billion yuan, with a best return of 387.76% during his tenure [3]