Core Viewpoint - The company, Data Harbor, is experiencing a decline in stock price and significant net outflow of funds, while its main business remains focused on IDC services, which constitute nearly all of its revenue [1] Group 1: Financial Performance - As of August 7, 2025, Data Harbor's stock price is reported at 26.16 yuan, down 1.13% from the previous trading day, with a trading volume of 494 million yuan [1] - In the first quarter of 2025, the company achieved a revenue of 395 million yuan and a net profit attributable to shareholders of 44.06 million yuan [1] - The IDC services accounted for 99.39% of the company's revenue in 2024 [1] Group 2: Shareholder Activity - Shareholder Shanghai Xufeng has completed a reduction of 1.85 million shares, representing 0.26% of the company's total share capital [1] Group 3: Fund Flow - On August 7, 2025, the net outflow of main funds was 40.1382 million yuan, with a cumulative net outflow of 204 million yuan over the past five days [1]

格隆汇8月6日丨数据港(603881.SH)公布，自2025年7月3日（减持计划公告之日）起十五个交易日后 （即2025年7月25日）进入减持可实施期间。在减持计划实施期间，上海旭沣通过集中竞价方式减持公 司股份185.03万股，占公司总股本的0.26%。2025年8月6日，公司收到上海旭沣通知文件，上述减持已 全部实施完毕。 ...

(二)本次实际减持情况与此前披露的减持计划、承诺是否一致 √是 □否 (三)减持时间区间届满，是否未实施减持 □未实施 √已实施 (四)实际减持是否未达到减持计划最低减持数量（比例） □未达到 √已达到 (五)是否提前终止减持计划 □是 √否 特此公告。 上海数据港股份有限公司董事会 —3— 证券代码：603881 证券简称：数据港 公告编号：2025-028 号 上海数据港股份有限公司 部分股东减持股份结果公告 本公司董事会、全体董事及相关股东保证本公告内容不存在任何虚假记载、 误导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示： ? 股东持股的基本情况 本次减持计划实施前，上海旭沣商务信息咨询合伙企业（普通合伙） （以 下简称"上海旭沣"）直接持有上海数据港股份有限公司（以下简称"数 据港"或"公司"）股份 1,850,285 股，占本公司总股本的 0.26%。 ? 减持计划的主要内容 上海旭沣计划通过集中竞价交易方式，减持总数不超过 1,850,285 股 公司股份，即公司总股本的 0.26%；减持期间自公司减持计划公告披露 之日起十五个交易日后的一个月内，减持价格视 ...

本次减持计划实施前，上海旭沣商务信息咨询合伙企业（普通合伙）（以 下简称"上海旭沣"）直接持有上海数据港股份有限公司（以下简称"数 据港"或"公司"）股份 1,850,285 股，占本公司总股本的 0.26%。 减持计划的主要内容 上海旭沣计划通过集中竞价交易方式，减持总数不超过 1,850,285 股 公司股份，即公司总股本的 0.26%；减持期间自公司减持计划公告披露 之日起十五个交易日后的一个月内，减持价格视市场价格确定。具体 内容详见公司于 2025 年 7 月 3 日刊登在上海证 券交易所网站 （www.sse.com.cn）及公司指定报刊媒体上的《上海数据港股份有限 公司股东集中竞价及大宗交易减持股份计划公告》（公告编号： 2025-026 号）。 减持计划的实施结果情况 自 2025 年 7 月 3 日（减持计划公告之日）起十五个交易日后（即 2025 年 7 月 25 日）进入减持可实施期间。在减持计划实施期间，上海旭沣 通过集中竞价方式减持公司股份 1,850,285 股，占公司总股本的 0.26%。 2025 年 8 月 6 日，公司收到上海旭沣通知文件，上述减持已全部实施 完毕。 证券代 ...

Group 1 - The company Data Harbor (SH 603881) announced on August 6 that Shanghai Xufeng plans to reduce its holdings by a maximum of 1,850,285 shares through centralized bidding [1] - By August 6, 2025, the reduction plan was fully implemented, with approximately 1.85 million shares sold, accounting for 0.26% of the company's total share capital [1] - As of the report date, Data Harbor's market capitalization stands at 19 billion yuan [1] Group 2 - For the fiscal year 2024, Data Harbor's revenue composition is as follows: IDC services account for 99.39%, IDC solutions for 0.47%, and cloud sales for 0.14% [1]

Group 1 - The core index, the CSI 1000 Quality Index, has shown a significant increase, with a rise of 5.05% over the past month, 10.02% over the past three months, and 10.53% year-to-date [2] - The CSI 1000 Quality Index is composed of 100 listed companies selected from the CSI 1000 Index based on their stability in operations, profitability, and quality of earnings [2] - The index was established on December 31, 2010, with a base value of 1000.0 points [2] Group 2 - The top ten weighted companies in the CSI 1000 Quality Index include Tonghua Golden Horse (3.49%), Longxin General (2.22%), and Jibite (2.18%) among others [2] - The market capitalization distribution shows that 53.29% of the holdings are from the Shenzhen Stock Exchange, while 46.71% are from the Shanghai Stock Exchange [2] Group 3 - The industry composition of the CSI 1000 Quality Index includes 22.74% in healthcare, 20.10% in industrials, and 14.29% in information technology, among others [3] - The index samples are adjusted biannually, with changes implemented on the next trading day following the second Friday of June and December [3] - Adjustments to the index may occur under special circumstances, such as delisting or corporate actions like mergers and acquisitions [3]

证券之星消息，8月1日通信服务板块较上一交易日下跌0.6%，南凌科技领跌。当日上证指数报收于 3559.95，下跌0.37%。深证成指报收于10991.32，下跌0.17%。通信服务板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 300921 | 南凌科技 | 24.50 | -5.22% | 15.08万 | | 3.74Z | | 603322 | 超讯通信 | 36.93 | -3.98% | 9.61万 | | 3.57亿 | | 000889 | 中嘉博创 | 3.70 | -3.90% | 85.75万 | | 3.20亿 | | 300442 | 润泽科技 | 48.18 | -3.23% | 27.65万 | | 13.38亿 | | 300738 | 奥飞数据 | 20.46 | -2.20% | 46.88万 | | 9.59 Z | | 002115 | 三维通信 | 8.32 | -2.00% | 33.87万 | | 2.82亿 | ...

Core Viewpoint - The announcement details a change in the equity stake of a major shareholder, Ningbo Ruixin Venture Capital Partnership, which has reduced its holdings in Shanghai Data Port Co., Ltd. from 14.61% to 14.00% through a share reduction plan [1]. Group 1: Shareholder Information - Ningbo Ruixin Venture Capital Partnership held 104,942,364 shares, representing 14.61% of the total share capital before the reduction [1]. - After the reduction of 4,382,600 shares, the total holdings decreased to 100,559,764 shares, which is 14.00% of the total share capital [1]. Group 2: Equity Change Details - The share reduction occurred on July 25, 2025, through a centralized bidding process [1]. - The reduction represents a decrease of 0.61% in the total share capital [1]. Group 3: Impact on Company Governance - The change in control will not significantly affect the company's governance structure or ongoing operations [1]. - There are no violations of commitments or regulations as per legal and regulatory requirements [1].

一、 信息披露义务人及其一致行动人的基本信息 1.身份类别 | | □控股股东/实际控制人及其一致行动人 | | --- | --- | | | 5%以上大股东及其一致行动人 ☑其他 | | 投资者及其一致行动人的身份 | □合并口径第一大股东及其一致行动人（仅适 | | | 用于无控股股东、实际控制人） | | | □其他 | 宁波锐鑫创业投资合伙企业（有限合伙）保证向本公司提供的信息真实、准 确、完整，没有虚假记载、误导性陈述或重大遗漏。 本公司董事会及全体董事保证公告内容与信息披露义务人提供的信息一致。 重要内容提示： | 权益变动方向 | 比例增加□ | 比例减少☑ | | --- | --- | --- | | 权益变动前合计比例 | 14.61% | | | 权益变动后合计比例 | 14.00% | | | 本次变动是否违反已作出的承诺、意向、计划 | 是□ | 否☑ | | 是否触发强制要约收购义务 | 是□ | 否☑ | 证券代码：603881 证券简称：数据港 公告编号：2025-027 号 上海数据港股份有限公司关于 持股 5%以上股东权益变动触及 1%刻度的提示性公告 三、 其他说明 — ...

Market Overview - The Shanghai Composite Index rose by 0.12% on July 28, with 15 out of the 28 sectors experiencing gains, led by defense and non-bank financial sectors, which increased by 1.86% and 1.51% respectively [1] - The communication sector also saw an increase of 1.24% [1] - The coal and steel sectors faced the largest declines, with decreases of 2.60% and 1.41% respectively [1] Capital Flow Analysis - The net outflow of capital from the two markets was 18.575 billion yuan, with 8 sectors experiencing net inflows [1] - The electronic sector had the highest net inflow, totaling 3.655 billion yuan, followed by the communication sector with a net inflow of 2.848 billion yuan [1] - The computer sector had the largest net outflow, amounting to 6.892 billion yuan, followed by the non-ferrous metals sector with a net outflow of 3.254 billion yuan [1] Communication Sector Performance - The communication sector increased by 1.24%, with a total net inflow of 2.848 billion yuan, and 86 out of 125 stocks in this sector rose [2] - Notably, 3 stocks hit the daily limit up, while 36 stocks declined, with 1 stock hitting the daily limit down [2] - The top three stocks with the highest net inflow were Guangxun Technology (1.257 billion yuan), Xinyi Sheng (588 million yuan), and Zhongji Xuchuang (442 million yuan) [2] Communication Sector Capital Inflow - The top stocks in the communication sector by capital inflow included: - Guangxun Technology: +10.00%, turnover rate 14.12%, inflow 1.257 billion yuan - Xinyi Sheng: +2.79%, turnover rate 7.31%, inflow 588 million yuan - Zhongji Xuchuang: +3.59%, turnover rate 3.97%, inflow 442 million yuan [2] Communication Sector Capital Outflow - The top stocks in the communication sector by capital outflow included: - Aofei Data: -2.52%, turnover rate 5.17%, outflow -104.65 million yuan - Data Port: -0.52%, turnover rate 3.84%, outflow -96.10 million yuan - Guanghuan New Network: -2.17%, turnover rate 4.26%, outflow -89.18 million yuan [3]