思特威跌2.03%，成交额3.54亿元，主力资金净流出838.19万元

Core Viewpoint - The stock of Sitwei has experienced fluctuations, with a year-to-date increase of 36.90% but a recent decline of 12.60% over the past five trading days [1] Company Overview - Sitwei (Shanghai) Electronic Technology Co., Ltd. specializes in the research, design, and sales of high-performance CMOS image sensor chips, with 100% of its revenue derived from chip sales [1] - The company was established on April 13, 2017, and went public on May 20, 2022 [1] Financial Performance - For the first half of 2025, Sitwei reported a revenue of 3.786 billion yuan, representing a year-on-year growth of 54.11% [2] - The net profit attributable to shareholders for the same period was 397 million yuan, showing a significant increase of 164.93% year-on-year [2] Shareholder Information - As of June 30, 2025, the number of shareholders increased by 3.62% to 13,200, with an average of 24,397 circulating shares per shareholder, a decrease of 3.49% [2] - The company has distributed a total of 126 million yuan in dividends since its A-share listing [3] Institutional Holdings - As of June 30, 2025, major institutional shareholders include: - Huaxia SSE Sci-Tech Innovation Board 50 ETF, holding 15.5942 million shares, an increase of 1.6464 million shares from the previous period [3] - E Fund SSE Sci-Tech Innovation Board 50 ETF, holding 11.6467 million shares, an increase of 390,000 shares [3] - Harvest SSE Sci-Tech Innovation Board Chip ETF, holding 6.6824 million shares, an increase of 649,400 shares [3] - In contrast, Invesco Great Wall Research Selected Stock A has exited the top ten circulating shareholders list [3]