GRIAM(SH:600206) Xin Lang Cai Jing·2025-09-01 06:23Core Viewpoint - Youyan New Materials has seen a significant stock price increase, with a 5.19% rise on September 1, reaching 23.93 yuan per share, and a total market capitalization of 202.58 billion yuan [1] Company Overview - Youyan New Materials Co., Ltd. was established on March 12, 1999, and listed on March 19, 1999. The company is based in Beijing and specializes in the research, production, and sales of advanced functional materials, including semiconductor materials, rare earth materials, optoelectronic materials, and high-purity metals [1] - The revenue composition of Youyan New Materials is as follows: platinum group metals 45.75%, rare earth materials 26.64%, thin film materials 17.37%, precious metals, non-ferrous metals, and high-end manufacturing 6.62%, infrared optical materials 2.27%, medical device materials 0.87%, and others 0.47% [1] Shareholder Information - Among the top ten circulating shareholders of Youyan New Materials, a fund under Guotai Fund has increased its holdings. The Guotai CSI Semiconductor Materials Equipment Theme ETF (159516) added 433,900 shares in Q2, bringing its total to 2.7075 million shares, which is 0.32% of the circulating shares [2] - The Guotai CSI Semiconductor Materials Equipment Theme ETF (159516) was established on July 19, 2023, with a current scale of 2.436 billion yuan. It has achieved a year-to-date return of 24.06%, ranking 1876 out of 4223 in its category, and a one-year return of 63.56%, ranking 1213 out of 3780 [2] - The fund manager of the Guotai CSI Semiconductor Materials Equipment Theme ETF is Ai Xiaojun, who has a tenure of 11 years and 235 days, managing a total fund size of 141.859 billion yuan [2]