*ST和科再度涨停，9个交易日内录得8个涨停，累计涨幅为42.91%，累计换手率为42.27%。截至9:25， 该股今日成交量49.45万股，成交金额792.19万元，换手率0.49%。最新A股总市值达16.02亿元。 公司5月13日在交易所互动平台中披露，截至最新（5月10日）股东户数为7592户，较上期（4月30日） 减少405户，环比下降5.06%。这是该股股东户数连续第2期下降，也就是说筹码呈持续集中趋势。 4月29日公司发布的一季报数据显示，一季度公司共实现营业总收入0.34亿元，同比增长1379.26%，实 现净利润326.67万元，同比增长134.06%。（数据宝） 近日该股表现 | 日期 | 当日涨跌幅（%） | 换手率（%） | 主力资金净流入（万元） | | --- | --- | --- | --- | | 2025.05.14 | -3.30 | 13.55 | -1717.50 | | 2025.05.13 | 4.99 | 6.41 | -24.20 | | 2025.05.12 | 5.03 | 10.56 | 942.11 | | 2025.05.09 | 4.99 | 0.4 ...

Group 1 - A total of 143 stocks reported their latest shareholder numbers as of May 10, with 58 stocks showing a decrease compared to the previous period [1][3] - The stocks with the largest decline in shareholder numbers include Huafeng Super Fiber, *ST Qingyan, and Zhejiang Zhengte, with declines exceeding 5% [3] - The stock with the most significant drop in shareholder numbers is Huafeng Super Fiber, which decreased by 10.62% to 101,000 shareholders [3] Group 2 - Among the concentrated chip stocks monitored from April 30, 74% outperformed the Shanghai Composite Index, with an average increase of 6.93% since April 21 [2] - The stock with the highest increase among those with a decline in shareholder numbers is Shanshui Bide, which rose by 40.47% since April 21 [2] - The latest concentrated chip stocks showed an average increase of 5.24% since May 1, with notable performers including Aoya Shares and *ST Qingyan, which increased by 21.40% and 19.74% respectively [3]

173只创业板股公布截至4月30日最新股东户数，环比上期，股东户数下降的有79只，降幅超过一成的有 4只。 证券时报·数据宝统计显示，173只创业板股公布了4月30日股东户数，与上期（4月20日）比，股东户数 下降的有79只，其中股东户数降幅超一成的有4只。股东户数环比增长的有79只。 股东户数降幅最多的是蕾奥规划，截至4月30日最新股东户数为9814户，较4月20日下降18.51%，筹码 集中以来该股累计下跌10.74%，累计换手率为75.44%，其间主力资金净流出5269.18万元。 其次是山水比德，截至4月30日最新股东户数为5359户，较4月20日下降14.39%，筹码集中以来该股累 计上涨34.90%，累计换手率为45.92%。 *ST清研最新股东户数5932户，环比下降14.14%，筹码集中以来股价下跌0.27%，累计换手率为 64.10%。 市场表现方面，最新一期筹码集中股4月21日以来平均上涨6.37%，涨幅居前的有常山药业、山水比 德、金凯生科等，分别上涨41.48%、34.90%、31.90%。所属行业来看，筹码集中股中机械设备、电 子、环保等行业最为集中，分别有14只、11只、7只个股上 ...

Core Insights - The article highlights a trend of decreasing shareholder accounts among 286 companies, indicating a concentration of shares, with some companies experiencing declines for over three consecutive periods [1][2]. Group 1: Shareholder Account Trends - 48 companies have reported a continuous decrease in shareholder accounts for more than three periods, with the most significant decline being 13 periods for Yinglit [1]. - Yinglit's latest shareholder account stands at 24,053, reflecting a cumulative decrease of 23.03%, while Zhaori Technology has seen a 26.47% drop over 12 periods [1][2]. - Other companies with notable declines include Zhongjian Huaneng, ST Huawen, and Yiqi Fuwu, with varying degrees of reduction in shareholder accounts [1]. Group 2: Market Performance - Among the companies with decreasing shareholder accounts, 9 have seen their stock prices rise, while 39 have experienced declines, with notable increases for Hongsheng Co., Qizheng Tibetan Medicine, and Pioneer Electronics, which rose by 12.16%, 7.85%, and 4.36% respectively [2]. - 10 companies outperformed the Shanghai Composite Index during this period, with Hongsheng Co. achieving a relative return of 14.11% [2]. Group 3: Industry and Institutional Insights - The industries with the highest concentration of companies experiencing declining shareholder accounts include machinery, non-bank financials, and electronics, with 10, 4, and 4 companies respectively [2]. - In terms of institutional interest, 4 companies with decreasing shareholder accounts were subject to institutional research in the past month, with Zhongqi Co., Sixuan New Materials, and Weining Health receiving the most attention [2].

Group 1 - As of April 30, 109 companies listed on the ChiNext board reported their latest shareholder numbers, with 53 companies experiencing a decline in shareholder count compared to the previous period [1] - The company with the largest decline in shareholder count is Lei'ao Planning, which saw a decrease of 18.51% to 9,814 shareholders, and has experienced a cumulative drop of 13.68% in stock price since the concentration of shares [1] - Other notable declines include Shanshui Bide, with a 14.39% decrease to 5,359 shareholders and a cumulative increase of 18.99% in stock price, and Dinggu Jichuang, which saw a 10.71% decline to 8,636 shareholders with an 8.89% increase in stock price [1][2] Group 2 - A total of 16 companies on the ChiNext board have shown a continuous concentration of shares, with some experiencing a decline in shareholder numbers for more than three consecutive periods, and one company has seen a decline for 10 consecutive periods [1] - Among the companies with the largest cumulative declines in shareholder numbers are Weining Health, Junwei Electronics, and Zhongjian Huaneng, with declines of 27.27%, 20.16%, and 15.52% respectively [2] - The average stock price increase for concentrated shares since April 21 is 5.16%, with notable increases from Jinkai Biological, Naipu Mining, and Shanshui Bide, which rose by 25.24%, 19.70%, and 18.99% respectively [2]

777只股公布截至4月20日最新股东户数，相比上期股东户数下降的有373只，降幅居前的是哈三联、山 水比德、丰乐种业等。 投资者除了在定期报告中获得股东信息数据外，还可以在交易所互动平台上通过提问方式了解部分公司 更及时（每月10日、20日、月末）的股东户数信息。以往3期分别有874家、4895家、745家公司在互动 平台透露了股东户数，截至发稿，共有777家公司公布了截至4月20日股东户数。 上期筹码集中股回测：31%跑赢沪指 证券时报·数据宝对上一期(4月10日)筹码集中股监测显示，这些股4月1日以来平均下跌3.93%，走势弱于 同期沪指表现（下跌1.47%），其中，31%的筹码集中股相对大盘获超额收益。 上期股东户数降逾一成个股中，康弘药业涨幅最高，4月1日以来累计上涨11.94%，涨幅居前的还有宏 盛股份、北方华创等。 10股最新股东户数降逾一成 证券时报·数据宝统计显示，共有777只个股公布了4月20日股东户数，与上期（4月10日）相比，股东户 数下降的有373只。其中股东户数降幅超一成的有10只。 股东户数降幅最多的是哈三联，截至4月20日最新股东户数为41802户，较4月10日下降26.12%， ...

135只股公布截至4月20日最新股东户数，相比上期股东户数下降的有62只，降幅居前的是中船应急、中 兵红箭、宏盛股份等。 投资者除了在定期报告中获得股东信息数据外，还可以在交易所互动平台上通过提问方式了解部分公司 更及时（每月10日、20日、月末）的股东户数信息。以往3期分别有774家、1893家、736家公司在互动 平台透露了股东户数，截至发稿，共有135家公司公布了截至4月20日股东户数。 上期筹码集中股回测：29%跑赢沪指 证券时报·数据宝对上一期(4月10日)筹码集中股监测显示，这些股4月1日以来平均下跌4.39%，走势弱于 同期沪指表现（下跌1.33%），其中，29%的筹码集中股相对大盘获超额收益。 62股最新股东户数下降 其次是中兵红箭，截至4月20日最新股东户数为132000户，较4月10日下降6.38%，筹码集中以来该股累 计下跌3.58%，累计换手率为20.27%，其间主力资金净流出8745.61万元。业绩方面，公司公布2024年全 年业绩预告，预计净利润变动区间为-3.50亿元~-2.10亿元，同比变动-142.25%~-125.35%。 市场表现方面，最新一期筹码集中股4月11日以来平均 ...

Summary of Key Points Core Viewpoint - A total of 670 stocks reported their latest shareholder numbers as of April 10, with 376 stocks showing a decline in shareholder numbers compared to the previous period, indicating a trend of decreasing investor interest in certain stocks [1][3]. Group 1: Shareholder Changes - Among the 670 stocks, 27 stocks experienced a decline in shareholder numbers exceeding 10% [3]. - The stock with the largest decline in shareholder numbers was Huachen Equipment, which saw a decrease of 29.40% to 21,211 shareholders [3][4]. - Guolin Technology followed with a 26.41% decrease in shareholder numbers, totaling 23,010 [3][4]. Group 2: Stock Performance - The average decline for concentrated stocks since March 21 was 12.44%, underperforming the Shanghai Composite Index, which fell by 3.77% during the same period [2]. - ST Yushun had the highest increase among stocks with declining shareholder numbers, rising by 28.28% since March 21 [2][3]. - Other notable performers included Guofang Group and Songfa Shares, with increases of 128.35% and 22.02%, respectively [3][4]. Group 3: Industry Insights - The concentrated stocks were primarily from the machinery, electronics, and basic chemicals sectors, with 53, 36, and 30 stocks respectively [3]. - The performance of concentrated stocks from the machinery sector was particularly noteworthy, with several stocks experiencing significant fluctuations in shareholder numbers and stock prices [4]. Group 4: Earnings Forecasts - Among the concentrated stocks, 147 have reported their 2024 annual earnings, with Shuangxiang Co. showing the highest year-on-year net profit growth of 754.84% [4]. - 127 stocks have issued earnings forecasts for 2024, with 26 stocks expecting profit increases and 7 stocks anticipating profitability [4].