有研硅股价涨6.37%，南方基金旗下1只基金位居十大流通股东，持有345.94万股浮盈赚取269.83万元

Core Viewpoint - Youyan Silicon has experienced a significant stock price increase, reflecting positive market sentiment and potential growth in the semiconductor materials sector [1][2]. Group 1: Company Overview - Youyan Semiconductor Silicon Materials Co., Ltd. is located in Xicheng District, Beijing, and was established on June 21, 2001. It was listed on November 10, 2022 [1]. - The company's main business involves the research, production, and sales of semiconductor materials, with revenue composition as follows: 61.48% from semiconductor silicon wafers, 29.55% from silicon materials for etching equipment, and 6.80% from other sources [1]. Group 2: Stock Performance - As of September 23, Youyan Silicon's stock price rose by 6.37%, reaching 13.02 CNY per share, with a trading volume of 193 million CNY and a turnover rate of 3.08%. The total market capitalization is 16.244 billion CNY [1]. - The stock has seen a continuous increase over five days, with a cumulative gain of 2.68% during this period [1]. Group 3: Shareholder Insights - Among the top ten circulating shareholders of Youyan Silicon, a fund under Southern Fund has increased its holdings. The Southern CSI 1000 ETF (512100) added 662,200 shares in Q2, bringing its total to 3.4594 million shares, which accounts for 0.68% of the circulating shares [2]. - The Southern CSI 1000 ETF has achieved a year-to-date return of 27.06% and a one-year return of 69.5%, ranking 1867 out of 4220 and 1280 out of 3814 in its category, respectively [2].