圣邦股份跌2.00%，成交额9.30亿元，主力资金净流出1.45亿元

Group 1 - The core viewpoint of the news is that Shengbang Co., Ltd. has experienced fluctuations in its stock price and trading volume, with a recent decline of 2.00% and a total market capitalization of 47.15 billion yuan [1] - As of October 28, the stock price of Shengbang Co., Ltd. was 76.29 yuan per share, with a trading volume of 930 million yuan and a turnover rate of 2.03% [1] - The company has seen a year-to-date stock price increase of 21.57%, with a recent 5-day increase of 3.28%, a 20-day decrease of 8.00%, and a 60-day increase of 7.75% [1] Group 2 - Shengbang Microelectronics (Beijing) Co., Ltd. was established on January 26, 2007, and listed on June 6, 2017, focusing on high-performance and high-quality analog integrated circuit research, development, and sales [2] - The company's main business revenue composition includes 61.75% from power management products and 38.04% from signal chain products, with a minor contribution from technology and services [2] - As of September 30, the number of shareholders increased by 128.90% to 110,800, while the average circulating shares per person decreased by 56.30% to 5,351 shares [2] Group 3 - Shengbang Co., Ltd. has distributed a total of 557 million yuan in dividends since its A-share listing, with 250 million yuan distributed in the last three years [3] - As of September 30, 2025, the top ten circulating shareholders include Hong Kong Central Clearing Limited and several mutual funds, with notable reductions in holdings among major shareholders [3]