证券代码：688173 证券简称：希荻微 公告编号：2025-101 希荻微电子集团股份有限公司 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、准确性和完整性依法承担法律 责任。 重要内容提示： 大股东持有的基本情况 截至本公告披露日，希荻微电子集团股份有限公司（以下简称"公司"）股 东重庆唯纯企业管理咨询有限公司（以下简称"重庆唯纯"）持有公司股份 29,846,925 股，占公司总股本的 7.24%。上述股份均来源于公司首次公开发行前 取得的股份，已全部解除限售。 减持计划的主要内容 公司于 2025 年 12 月 5 日收到重庆唯纯出具的《关于希荻微电子集团股份有 限公司股份减持计划的告知函》，重庆唯纯对公司前景持续看好，为满足自身资 金需求，拟通过集中竞价、大宗交易的方式减持其持有的公司股份数量合计不超 过 12,369,421 股，占公司总股本的比例合计不超过 3.00%，减持期间为本公告披 露 15 个交易日后的 3 个月内，其中以集中竞价方式减持不超过 4,123,140 股，占 公司总股本的比例合计不超过 1.00%；以大宗交易 ...

Group 1 - The core point of the article is that Chongqing Weichun Enterprise Management Consulting Co., Ltd., a shareholder holding 7.24% of the shares, plans to reduce its stake in Xidiwei (688173) by up to 12.3694 million shares, which accounts for 3% of the company's total share capital, within three months after 15 trading days [1] Group 2 - The reduction will be executed through centralized bidding and block trading methods [1] - The announcement was made on December 5, indicating the company's ongoing shareholder activity [1] - The planned share reduction reflects a strategic decision by the shareholder to adjust its investment in the company [1]

每经AI快讯，希荻微（SH 688173，收盘价：15.86元）12月5日晚间发布公告称，截至本公告披露日， 希荻微电子集团股份有限公司股东重庆唯纯企业管理咨询有限公司持有公司股份约2985万股，占公司总 股本的7.24%。相关股份均来源于公司首次公开发行前取得的股份，已全部解除限售。公司于2025年12 月5日收到重庆唯纯出具的《关于希荻微电子集团股份有限公司股份减持计划的告知函》，重庆唯纯对 公司前景持续看好，为满足自身资金需求，拟通过集中竞价、大宗交易的方式减持其持有的公司股份数 量合计不超过约1237万股，占公司总股本的比例合计不超过3%，减持期间为本公告披露15个交易日后 的3个月内，其中以集中竞价方式减持不超过约412万股，占公司总股本的比例合计不超过1%；以大宗 交易方式减持不超过约825万股，占公司总股本的比例合计不超过2%。 2024年1至12月份，希荻微的营业收入构成为：集成电路占比99.71%，其他业务占比0.29%。 截至发稿，希荻微市值为65亿元。 每经头条（nbdtoutiao）——秒光、售罄！银行大额存单成稀缺资源，2%以上产品很难抢，有的门槛高 达1000万元！专家：存款利率或 ...

Core Viewpoint - Chongqing Weichun Enterprise Management Consulting Co., Ltd., a shareholder holding more than 5% of the shares, plans to reduce its holdings by no more than 12.3694 million shares, accounting for 3.00% of the company's total share capital [1] Summary by Relevant Sections - **Shareholding Reduction** - The reduction will occur through centralized bidding and block trading methods [1] - The reduction period is set from December 29, 2025, to March 28, 2026 [1] - The selling price will be determined based on market prices [1]

Core Viewpoint - Chongqing Weichun plans to reduce its stake in Xidi Microelectronics by up to 12.3694 million shares, representing a maximum of 3.00% of the company's total share capital, due to its positive outlook on the company's future and to meet its own funding needs [1] Summary by Sections Share Reduction Plan - The reduction will occur through centralized bidding and block trading methods within three months after the announcement, starting 15 trading days post-disclosure [1] - The plan includes a maximum reduction of 4.1231 million shares via centralized bidding, accounting for up to 1.00% of the total share capital, and a maximum of 8.2463 million shares via block trading, accounting for up to 2.00% of the total share capital [1] Pricing and Adjustments - The reduction price will be determined based on market prices [1] - If any corporate actions such as dividend distribution, stock splits, capital increases, or rights issues occur during the reduction period, the plan will be adjusted accordingly [1]

Core Viewpoint - The semiconductor industry is experiencing a wave of mergers and acquisitions (M&A) driven by the integration of capital and technology, with expansion being the central theme for 2025. However, the outcomes of these M&A activities are varied, with some companies facing challenges in profitability despite aggressive acquisition strategies [1][8]. Group 1: M&A Activity and Market Trends - The semiconductor sector is witnessing a surge in M&A announcements, with significant transactions such as the acquisition of Chengxin Micro by Hidi Micro for 310 million yuan and the acquisition of 86.12% of Aola Semiconductor by SIRUI [3][4]. - The total disclosed transaction value in China's M&A market exceeded 170 billion USD in the first half of 2025, marking a 45% increase year-on-year, with high-tech and health sectors being prominent areas for large-scale M&A [3][4]. Group 2: Strategic Motivations for M&A - Companies are pursuing M&A to rapidly acquire technology and strategically position themselves in the market, with a focus on achieving synergies between products and customer resources [4][7]. - The recovery of the consumer electronics market is providing a favorable environment for business integration post-M&A, as evidenced by Hidi Micro's projected revenue growth of 38.56% in 2024 [5][6]. Group 3: Challenges and Risks in M&A - Not all M&A transactions yield the expected results, as high technical barriers and strong business interconnections in the semiconductor industry complicate post-merger integration [8][10]. - For instance, Kangda New Materials faced significant challenges after acquiring several companies, leading to a decline in profitability and substantial goodwill impairments due to underperformance of acquired entities [9][10].

资本与技术结合催生热潮，扩张二字成为半导体行业贯穿2025全年的核心动线。 据普华永道报告，在境内战略投资强劲带动下，2025年上半年中国并购市场披露交易总额超过1700亿美元，较去年同期大幅增长45%，高科技、大健康和工 业等与国家战略导向相呼应的领域成为超大型并购主要发生地，半导体龙头海光信息以1159.67亿元吸收合并中科曙光（603019）100%股权的交易成为典型 之一。 临近年末，产业大手笔"买买买"的公告再度密集出现：11月27日，电源管理芯片龙头企业希荻微3.1亿元收购诚芯微100%股权的交易方案获受理；11月25日 晚间，思瑞浦公告拟收购奥拉半导体86.12%股份，加码模拟芯片赛道；同日，普冉股份披露筹划发行股份收购珠海诺亚长天剩余49%股权——此前11月17 日，公司已以1.44亿元收购诺亚长天31%股权，持股达51%实现控股，并由此间接掌控韩国存储芯片巨头SK海力士此前剥离的SkyHigh Memory Limited(简 称"SHM"，由诺亚长天控股)，若后续收购完成，普冉股份将持有诺亚长天100%股权；11月18日，光库科技（300620）以16.4亿元高溢价收购安捷讯99.97% ...

希荻微首次公开发行股票募集资金总额为13.43亿元，扣除发行费用后，募集资金净额为12.21亿元。该 公司最终募集资金净额比原计划多6.40亿元。希荻微于2022年1月17日披露的招股说明书显示，该公司 拟募集资金5.82亿元，拟分别用于高性能消费电子和通信设备电源管理芯片研发与产业化项目、新一代 汽车及工业电源管理芯片研发项目、总部基地及前沿技术研发项目、补充流动资金。 希荻微首次公开发行股票的发行费用总额为1.22亿元，其中，承销费及保荐费1.02亿元。 希荻微的共同实际控制人为戴祖渝、TAO HAI（陶海）、唐娅。戴祖渝，女，1948年出生，中国国 籍，无境外永久居留权。唐娅，女，1972年出生，中国国籍，无境外永久居留权。TAO HAI（陶 海），男，1971年出生，美国国籍。 希荻微于2022年1月21日在上交所科创板上市，公开发行股票数量为4001万股，发行价格为33.57元/ 股，联席保荐机构（主承销商）为民生证券股份有限公司（现更名为国联民生证券股份有限公司）和中 国国际金融股份有限公司，保荐代表人为黄西洋、黄平、郭慧、陶木楠，副主承销商为华兴证券有限公 司。 希荻微上市首日盘中创下股价最高点 ...

Core Viewpoint - The acquisition of 100% equity in Chengxin Micro by Xidi Micro for a total consideration of 310 million yuan marks a significant step in the consolidation of the domestic analog chip industry, indicating a deepening integration phase within the sector [1] Group 1: Technical Synergy - Both Xidi Micro and Chengxin Micro operate under the Fabless model, with complementary business layouts; Xidi Micro focuses on consumer and automotive electronics chips, while Chengxin Micro specializes in power management chips and related fields [2] - Chengxin Micro achieved a revenue of 159 million yuan and a net profit of 18.52 million yuan in the first ten months of 2024, showcasing its strong market presence [2] - The integration aims to leverage Chengxin Micro's 15 years of expertise in power management to enhance Xidi Micro's solutions across various applications, while Chengxin Micro will benefit from Xidi Micro's global customer network [2] Group 2: Financial Logic - The valuation of Chengxin Micro's 100% equity is set at 311 million yuan, reflecting a 214.37% increase over its book net assets, indicating strong growth expectations [3] - The acquisition structure involves 55% shares and 45% cash, with a share price set at 11 yuan, raising up to 99.48 million yuan in supporting funds [3] - Post-transaction, Xidi Micro's total assets are expected to increase by 23.89%, and equity attributable to shareholders is projected to grow by 12.76%, with an anticipated revenue increase of 18.65% in the first half of 2025 [3] Group 3: Industry Perspective - The current wave of mergers and acquisitions in the semiconductor sector highlights a trend where technology-focused targets are prioritized, as seen in Xidi Micro's acquisition aligning with similar transactions in the industry [4] - The acquisition not only facilitates scale expansion but also aims to create competitive barriers through deeper technological integration and market restructuring [4] - If the anticipated synergies are realized, Xidi Micro could achieve a revaluation in the analog chip segment, injecting new growth momentum into the A-share semiconductor sector [4]

Group 1 - The company Xi Di Wei (SH 688173) announced that as of November 28, 2025, the share reduction plan by Mr. Fan Jun, the director and vice president, has been completed, with a total of 3 million shares sold, accounting for 0.73% of the company's total share capital [1] - For the year 2024, the company's revenue composition is as follows: integrated circuits account for 99.71%, while other businesses account for 0.29% [1] Group 2 - The current market capitalization of Xi Di Wei is 7.2 billion yuan [2]