每周股票复盘：石英股份（603688）股东户数增加，业绩下滑明显

Core Viewpoint - The stock price of Quartz Co., Ltd. has increased by 10.02% to 42.82 yuan as of August 22, 2025, with a total market capitalization of 23.195 billion yuan, ranking 1st in the non-metallic materials sector and 810th in the A-share market [1]. Shareholder Changes - As of June 30, 2025, the number of shareholders of Quartz Co., Ltd. reached 63,700, an increase of 6,120 or 10.64% compared to March 31, 2025. The average number of shares held per shareholder decreased from 9,415 to 8,510, with an average holding value of 299,700 yuan [2][6]. Performance Disclosure Highlights - The mid-year report for 2025 indicates that Quartz Co., Ltd. achieved a main revenue of 515 million yuan, a year-on-year decrease of 30.13%. The net profit attributable to shareholders was 107 million yuan, down 58.41%, and the net profit after deducting non-recurring gains and losses was 61.2857 million yuan, a decline of 75.84%. In the second quarter of 2025, the company reported a single-quarter main revenue of 261 million yuan, a decrease of 23.96%, and a net profit of 54.0918 million yuan, down 45.04% [3].