PACIFIC QUARTZ(SH:603688) Xin Lang Cai Jing·2025-09-24 05:16Core Viewpoint - Quartz Co., Ltd. has seen a significant stock price increase of 5.49% on September 24, reaching 42.26 CNY per share, with a total market capitalization of 22.891 billion CNY, indicating strong investor interest and performance in the market [1] Company Overview - Jiangsu Pacific Quartz Co., Ltd. was established on April 23, 1999, and listed on October 31, 2014. The company specializes in the research, production, and sales of high-purity quartz materials, including quartz sand, quartz tubes, and quartz crucibles, primarily used in the fields of light sources, photovoltaics, semiconductors, and optical fibers [1] - The revenue composition of the company is as follows: quartz tubes (82.56%), quartz sand (13.38%), other products (3.61%), and quartz crucibles (0.45%) [1] Shareholder Insights - Among the top ten circulating shareholders of Quartz Co., Ltd., Huatai-PB Fund holds a position, with its photovoltaic ETF (515790) reducing its holdings by 26,900 shares in the second quarter, now holding 3.1423 million shares, which is 0.58% of the circulating shares. The ETF has realized a floating profit of approximately 6.9131 million CNY today and 6.5988 million CNY during the five-day increase [2] - The photovoltaic ETF (515790) was established on December 7, 2020, with a current scale of 9.984 billion CNY. Year-to-date returns are 16.63%, ranking 2883 out of 4220 in its category, while the one-year return is 41.07%, ranking 2518 out of 3814 [2] Fund Manager Performance - The fund managers of the photovoltaic ETF (515790) are Li Qian and Li Mu Yang. Li Qian has a tenure of 5 years and 326 days, managing assets totaling 39.351 billion CNY, with the best fund return during her tenure being 100.06% and the worst being -18.35% [3] - Li Mu Yang has a tenure of 4 years and 263 days, managing assets of 21.273 billion CNY, with the best fund return of 124.22% and the worst return of -45.89% during his tenure [3]