证券代码：300675 证券简称：建科院 公告编号：2025-047 深圳市建筑科学研究院股份有限公司 第四届董事会第十二次临时会议决议公告 具体内容详见公司于同日在巨潮资讯网（http://www.cninfo.com.cn，下同） 披露的公司关于修订及制订部分公司治理制度的公告（公告编号：2025-048）及 《公司信息披露管理办法》（2025 年 12 月）。 公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 董事会会议召开情况 深圳市建筑科学研究院股份有限公司（以下简称公司）第四届董事会第十二 次临时会议通知已于 2025 年 12 月 25 日以电子邮件方式送达各位董事，并抄送 副总经理（含董事会秘书）及董事会办公室主任。 会议由董事长叶青女士召集及主持，在保障所有董事充分表达意见的情况下， 以通讯表决方式召开并于 2025 年 12 月 30 日完成表决，董事应到 9 名，实到 9 名。 会议的召开符合《中华人民共和国公司法》及有关法律、行政法规、部门规 章、规范性文件和《公司章程》《公司董事会议事规则》的规定。 董事会会议审议情况 会议通过如下决议： ...

Core Viewpoint - The stock of Shenzhen Institute of Building Science Co., Ltd. (建科院) has shown fluctuations, with a recent increase of 2.06% on December 26, 2023, despite a year-to-date decline of 1.55% [1][2]. Group 1: Stock Performance - As of December 26, 2023, the stock price reached 15.86 CNY per share, with a trading volume of 42.68 million CNY and a turnover rate of 1.87%, resulting in a total market capitalization of 2.326 billion CNY [1]. - The stock has experienced a 2.12% increase over the last five trading days, an 8.48% decline over the last 20 days, and a 4.48% increase over the last 60 days [2]. Group 2: Financial Performance - For the period from January to September 2025, the company reported a revenue of 171 million CNY, representing a year-on-year decrease of 31.35%, and a net profit attributable to shareholders of -69.91 million CNY, a decline of 102.73% year-on-year [2]. - Cumulatively, the company has distributed 91.67 million CNY in dividends since its A-share listing, with 23.47 million CNY distributed over the last three years [3]. Group 3: Shareholder Information - As of December 19, 2023, the number of shareholders decreased by 2.39% to 14,600, with an average of 10,050 circulating shares per shareholder, an increase of 2.45% [2]. - Notable institutional holdings include Noan Multi-Strategy Mixed A (320016) as the fifth largest shareholder with 1.0411 million shares, an increase of 356,100 shares from the previous period, and CITIC Prudential Multi-Strategy Mixed (LOF) A (165531) as a new tenth largest shareholder with 588,200 shares [3].

证券代码：300675 证券简称：建科院 公告编号：2025-046 深圳市建筑科学研究院股份有限公司 关于股东减持股份触及 1%整数倍暨权益变动的提示性公告 股东深圳市建科投资股份有限公司保证向公司提供的信息内容真实、准 确、完整，没有虚假记载、误导性陈述或重大遗漏。 公司及董事会全体成员保证公告内容与信息披露义务人提供的信息一致。 特别提示： 1. 本次权益变动性质属于股份减持，不触及要约收购。 2. 本次权益变动不会导致深圳市建筑科学研究院股份有限公司（以下简称 公司）控股股东及实际控制人发生变化。 3. 本次权益变动后，深圳市建科投资股份有限公司（以下简称建科投资） 持有公司股份 7,333,300 股，占公司总股本的比例为 4.99998%，不再是公司持股 5%以上的股东。 公司已在巨潮资讯网（http://www.cninfo.com.cn，下同）披露《公司关于持 股 5%以上股东减持股份的预披露公告》（公告编号：2025-045）：持有公司股份 7,367,800 股（占公司总股本的 5.02%）的股东建科投资计划在 2025 年 12 月 1 日至 2026 年 2 月 27 日期间，以集中竞 ...

深圳市建筑科学研究院股份有限公司 简式权益变动报告书 上市公司名称：深圳市建筑科学研究院股份有限公司 股票上市地点：深圳证券交易所 股票简称：建科院 股票代码：300675 信息披露义务人：深圳市建科投资股份有限公司 住所：深圳市福田区梅林街道孖岭社区梅坳三路 29 号建科大楼 1101 通讯地址：深圳市福田区梅林街道孖岭社区梅坳三路 29 号建科大楼 1101 股份变动性质：股份减少，持股比例降至 5%以下 签署日期：2025 年 12 月 8 日 信息披露义务人声明 一、本报告书系依据《中华人民共和国证券法》《上市公司收购管理办法》 《公开发行证券的公司信息披露内容与格式准则第 15 号——权益变动报告书》 及相关法律、法规和规范性文件编写。 四、本次权益变动是根据本报告书所载明的资料进行的。除本信息披露义 务人外，没有委托或者授权其它任何人提供未在本报告书列载的信息和对本报告 书做出任何解释或者说明。 五、信息披露义务人承诺：本报告书不存在虚假记载、误导性陈述或重大 遗漏，并对其真实性、准确性和完整性承担法律责任。 | | | | 第二节 | 信息披露义务人介绍 3 | | --- | --- | | ...

（文章来源：证券日报） 证券日报网讯 12月1日，建科院在互动平台回答投资者提问时表示，截至2025年11月28日，公司股东户 数为15，633户（含信用账户）。 ...

Market Overview - The engineering consulting services sector experienced a decline of 0.67% on November 27, with 招标股份 leading the drop [1] - The Shanghai Composite Index closed at 3875.26, up 0.29%, while the Shenzhen Component Index closed at 12875.19, down 0.25% [1] Stock Performance - Notable gainers in the engineering consulting services sector included 启迪设计, which rose by 6.39% to a closing price of 17.16, with a trading volume of 245,000 shares and a turnover of 400 million yuan [1] - Other gainers included 矩阵股份 (+2.52%), 示州规划 (+2.11%), and 太极实业 (+1.80%) [1] - Conversely, 招标股份 saw a significant decline of 11.60%, closing at 15.39, with a trading volume of 424,400 shares and a turnover of 662 million yuan [2] Capital Flow - The engineering consulting services sector experienced a net outflow of 10.33 million yuan from institutional investors, while retail investors saw a net outflow of 34.24 million yuan [2] - In contrast, speculative funds recorded a net inflow of 44.57 million yuan [2] Individual Stock Capital Flow - 太极实业 had a net outflow of 59.28 million yuan from institutional investors, while 启迪设计 saw a net inflow of 42.18 million yuan [3] - Other stocks like 深城交 and 汉嘉设计 also experienced varying degrees of net inflow and outflow from different investor categories [3]

Core Viewpoint - The news highlights the recent performance and financial status of Shenzhen Institute of Building Research Co., Ltd. (建科院), indicating a mixed outlook with a notable decline in revenue and profit, alongside fluctuations in stock price and shareholder dynamics [1][2]. Financial Performance - As of November 10, 2025, the company reported a revenue of 171 million yuan, representing a year-on-year decrease of 31.35% [2]. - The net profit attributable to shareholders was -69.91 million yuan, reflecting a significant decline of 102.73% compared to the previous year [2]. - Cumulative cash dividends since the company's A-share listing amount to 91.67 million yuan, with 23.47 million yuan distributed over the past three years [3]. Stock Performance - On November 20, the stock price increased by 2.19%, reaching 17.24 yuan per share, with a trading volume of 51.43 million yuan and a turnover rate of 2.06% [1]. - Year-to-date, the stock has risen by 7.01%, but it has seen a decline of 0.52% over the last five trading days and a more significant drop of 16.88% over the past 20 days [1]. Shareholder Dynamics - The number of shareholders decreased by 7.44% to 17,500 as of November 10, 2025, while the average number of circulating shares per person increased by 8.04% to 8,396 shares [2]. - As of September 30, 2025, notable institutional holdings include Noan Multi-Strategy Mixed A, which increased its stake by 356,100 shares, and CITIC Prudential Multi-Strategy Mixed A, which entered as a new shareholder with 588,200 shares [3]. Business Overview - The company, established on August 20, 2007, and listed on July 19, 2017, operates in various sectors including building design, green building consulting, ecological urban planning, and public service [1]. - The revenue composition is as follows: public service (41.30%), building design (25.86%), urban planning (21.82%), building consulting (6.06%), other (3.46%), and EPC and project management (1.50%) [1].

Core Viewpoint - The stock of Shenzhen Institute of Building Research Co., Ltd. (建科院) has shown a positive trend with a year-to-date increase of 9.75% and a recent uptick of 2.02% on November 14, 2023, despite a significant decline in revenue and net profit for the first nine months of 2025 [1][2]. Financial Performance - As of November 10, 2025, the company reported a revenue of 171 million yuan, a year-on-year decrease of 31.35%, and a net profit attributable to shareholders of -69.91 million yuan, reflecting a decline of 102.73% [2]. - Cumulative cash dividends since the company's A-share listing amount to 91.67 million yuan, with 23.47 million yuan distributed over the past three years [3]. Stock Market Activity - On November 14, 2023, the stock price reached 17.68 yuan per share, with a trading volume of 60.44 million yuan and a turnover rate of 2.36%, resulting in a total market capitalization of 2.593 billion yuan [1]. - The stock has experienced a 2.85% increase over the last five trading days and a 10.36% increase over the last 20 days [1]. Shareholder Information - The number of shareholders decreased by 7.44% to 17,500 as of November 10, 2025, while the average number of circulating shares per person increased by 8.04% to 8,396 shares [2]. - Notable institutional holdings include Nuoan Multi-Strategy Mixed A (320016) as the fifth largest shareholder, increasing its stake by 356,100 shares, and CITIC Prudential Multi-Strategy Mixed (LOF) A (165531) entering as the tenth largest shareholder with 588,200 shares [3]. Business Overview - Shenzhen Institute of Building Research Co., Ltd. was established on August 20, 2007, and went public on July 19, 2017. Its main business areas include architectural design, green building consulting, ecological urban planning, and public service [1]. - The revenue composition of the company is as follows: public service (41.30%), architectural design (25.86%), urban planning (21.82%), building consulting (6.06%), other (3.46%), and EPC and project management (1.50%) [1].

Summary of Key Points Core Viewpoint - Suzhou Jian Ke Institute announced a share reduction plan by major shareholders, indicating potential changes in ownership structure and investor sentiment [1] Shareholder Reduction Plans - Major shareholder and director Wu Qichao plans to reduce holdings by up to 4.95 million shares, representing 0.9957% of total share capital [1] - Shareholder and supervisor Chu Ying intends to reduce holdings by up to 36,000 shares, accounting for 0.0072% of total share capital [1] Current Shareholding Status - As of November 13, Wu Qichao has reduced his holdings by 269,500 shares, which is 0.0542% of total share capital, leaving him with 5.0804% ownership [1] - Chu Ying has reduced his holdings by 36,000 shares, maintaining a current ownership of 0.0279% [1]

Core Insights - The engineering consulting services sector saw a slight increase of 0.12% on November 13, with Hualan Group leading the gains [1] - The Shanghai Composite Index closed at 4029.5, up 0.73%, while the Shenzhen Component Index closed at 13476.52, up 1.78% [1] Stock Performance - Hualan Group (301027) closed at 19.85, with a rise of 8.59% and a trading volume of 228,700 shares, amounting to a transaction value of 444 million yuan [1] - Other notable performers included: - Zhaobiao Co. (301136) at 14.22, up 3.80% [1] - Huayang International (002949) at 14.93, up 1.91% [1] - Youan Design (300983) at 24.95, up 1.51% [1] Capital Flow - The engineering consulting services sector experienced a net outflow of 209 million yuan from institutional investors, while retail investors saw a net inflow of 168 million yuan [2] - The sector's overall capital flow indicates a mixed sentiment, with institutional investors withdrawing funds while retail investors increased their positions [2][3] Individual Stock Capital Flow - Notable net inflows from retail investors included: - Shanshui Bide (300844) with a retail net inflow of 1.17 million yuan [3] - Tongji Technology (600846) with a retail net inflow of 731,830 yuan [3] - Conversely, significant net outflows from institutional investors were observed in: - Huatu Shanding (300492) with a net outflow of 1.43 million yuan [3] - Jianyan Design (301167) with a net outflow of 459,910 yuan [3]