GRIAM(SH:600206) Xin Lang Cai Jing·2025-10-15 03:23Core Points - The stock of Youyan New Materials fell by 5.01% on October 15, trading at 22.73 yuan per share with a transaction volume of 1.499 billion yuan and a turnover rate of 7.57%, resulting in a total market capitalization of 19.242 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 located at 2 D, Youyan Technology Innovation Center, Xinjiekou Outer Street, Xicheng District, Beijing. Its main business involves the research, production, and sales of advanced functional materials, including semiconductor materials, rare earth materials, optoelectronic materials, and high-purity/ultra-high-purity metal materials [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 holds a position. The Guotai CSI Semiconductor Materials Equipment Theme ETF (159516) increased its holdings by 433,900 shares in the second quarter, bringing its total to 2.7075 million shares, which accounts for 0.32% of the circulating shares. The estimated floating loss today is approximately 3.249 million yuan [2] - The Guotai CSI Semiconductor Materials Equipment Theme ETF (159516) was established on July 19, 2023, with a latest scale of 2.436 billion yuan. Year-to-date, it has achieved a return of 48.57%, ranking 370 out of 4220 in its category; over the past year, it has returned 53.17%, ranking 422 out of 3857; and since inception, it has returned 48.97% [2]