证券之星消息，8月28日专业服务板块较上一交易日上涨1.89%，钢研纳克领涨。当日上证指数报收于 3843.6，上涨1.14%。深证成指报收于12571.37，上涨2.25%。专业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) | | | --- | --- | --- | --- | --- | --- | --- | | 300797 | 钢研纳克 | 18.60 | 20.00% | 40.26万 | | 7.07亿 | | 600826 | 兰生股份 | 11.96 | 6.41% | 63.64万 | | 7.44亿 | | 301228 | 实村检测 | 27.72 | 5.20% | 5.04万 | | 1.38亿 | | 300416 | 示试试验 | 19.05 | 5.19% | 48.52万 | | 9.12亿 | | 002967 | 广电计里 | 21.75 | 2.79% | 12.30万 | | 2.62亿 | | 688757 | 胜科纳米 | 32.59 | 2.78% | 3.72万 | | 1.20亿 | | 00 ...

来源：证券时报 半年报密集披露，机构最新持仓动向曝光!二季度社保基金新进股共有72只。 目前共有3077家公司已经公布半年报，前十大流通股东数据透露出机构行踪。证券时报•数据宝统 计显示，社保基金共现身313只股，调仓动向方面，二季度社保基金新进72股、增持79股、减持102 股，社保基金持股量保持不变的有60股。 社保基金新建仓股票中，从前十大流通股东名单中社保基金家数来看，社保基金家数最多的是苏 试试验，共有3家社保基金出现在前十大流通股东名单中，即全国社保基金六零二组合、全国社保基金 六零一组合、全国社保基金五零二组合，分别位列公司第5大、第7大、第10大流通股东，持股量合计 为1486.20万股，占流通股比例为2.94%。 从持股比例看，新进股中社保基金持有比例最多的是佰奥智能，持股量占流通股比例为7.23%， 其次是中触媒，社保基金持股比例为3.45%，持股比例居前的还有北鼎股份、苏试试验、史丹利等。 (责任编辑：叶景) 市场表现方面，社保基金新进股7月以来平均上涨20.22%，涨幅跑赢沪指。具体个股看，大元泵 业累计涨幅128.49%，是新进股中表现最好的，果麦文化、高澜股份等分别上涨87.48% ...

| 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 300416 | 示试试验 | 19.14 | 10.64% | 59.63万 | | 11.25 亿 | | 002057 | 中钢天源 | 11.45 | 9.99% | 54.57万 | | 6.12亿 | | 300938 | 信测标准 | 25.80 | 7.14% | 18.44万 | | 4.61亿 | | 300012 | 华测检测 | 66'ET | 6.88% | 112.33万 | | 15.49 乙 | | 301169 | 零点有数 | 50.97 | 3.81% | 4.67万 | | 2.36亿 | | 301632 | 广东建科 | 37.84 | 2.41% | 20.64万 | | 7.70亿 | | 003008 | 开普检测 | 23.30 | 1.92% | 3.50万 | | 8207.02万 | | 300887 | 谱尼测试 | 9.17 | 1.78% | 22.07万 | | 2. ...

Group 1 - The satellite internet index experienced a significant increase, with the satellite industry ETF (159218) rising by 2.03% as of 13:31 on August 25 [1] - Key component stocks such as Changjiang Communication, Xinke Mobile-U, China Satellite, Tianyin Electromechanical, and Su Shi Testing showed notable gains [1] - Trading activity intensified, with a turnover rate of 28.03% and a transaction volume exceeding 21 million [1] Group 2 - Relevant authorities are expected to issue satellite internet licenses soon, marking a significant step towards commercial operations in China's satellite internet sector [1] - A senior technical expert in the satellite internet field indicated that the issuance of licenses signifies the beginning of commercial operations in this area [1]

半年报密集披露，机构最新持仓动向曝光!二季度社保基金新进股共有41只。 社保基金新进股一览 | 证券代码 | 证券简称 | 社保基金家数 | 社保基金持股量（万股） | 占流通股比例（%） | 行业 | | --- | --- | --- | --- | --- | --- | | 688267 | 中触媒 | 1 | 320.00 | 3.45 | 基础化工 | | 300824 | 北鼎股份 | 1 | 1000.00 | 3.16 | 家用电器 | | 300416 | 苏试试验 | 3 | 1486.20 | 2.94 | 社会服务 | | 002588 | 史丹利 | 1 | 2199.99 | 2.56 | 基础化工 | | 301068 | 大地海洋 | 1 | 250.13 | 2.48 | 环保 | | 300850 | 新强联 | 2 | 555.56 | 2.08 | 电力设备 | | 300910 | 瑞丰新材 | 1 | 413.87 | 1.99 | 基础化工 | | 688513 | 苑东生物 | 1 | 276.14 | 1.56 | 医药生物 | | 688401 | 路维光 ...

Group 1 - The core viewpoint of the article highlights the recent movements of social security funds in the A-share market, revealing that they have entered the top ten circulating shareholders of 71 new stocks in the second quarter of 2025 [1] - Su Shi Testing has the highest number of new social security fund holdings, with 3 new holdings, while Shanghai Jahwa and Xin Qiang Lian each have 2 new holdings [1] - The article provides a detailed list of companies that have seen new social security fund investments, including their respective shareholding numbers, quantities, and market values [2][3][4][5] Group 2 - Specific companies mentioned include Su Shi Testing with 1,486.20 thousand shares valued at 213 million yuan, Shanghai Jahwa with 1,150.51 thousand shares valued at 242 million yuan, and Xin Qiang Lian with 555.56 thousand shares valued at 199 million yuan [2][3] - Other companies with new social security fund holdings include Hengdian East Magnetic, Nuofushin, and Baichu Electronics, each with 1 new holding, along with their respective share quantities and market values [2][3][4] - The article lists a total of 71 companies that have received new investments from social security funds, indicating a diverse range of industries from agriculture to electronics and pharmaceuticals [2][3][4][5]

| 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 300416 | 示试试验 | 17.30 | 2.67% | 33.42万 | | 5.78亿 | | 300215 | 电科院 | 6.87 | 2.54% | 44.41万 | | 3.01亿 | | 688757 | 胜科纳米 | 34.02 | 2.50% | 4.31万 | | 1.47亿 | | 300572 | 安车检测 | 27.99 | 2.38% | 16.04万 | | 4.46亿 | | 300012 | 华测检测 | 13.09 | 1.95% | 61.48万 | | 7.99亿 | | 301228 | 实朴检测 | 28.29 | 1.95% | 4.99万 | | 1.40亿 | | 603373 | 安邦护卫 | 61.45 | 1.91% | 3.88万 | | 2.28亿 | | 600861 | 北京人力 | 20.96 | 1.30% | 4.84万 | | 1.01亿 | | 3007 ...

半年报密集披露，机构最新持仓动向曝光!二季度社保基金新进股共有34只。 目前共有1263家公司已经公布半年报，前十大流通股东数据透露出机构行踪。证券时报·数据宝统计显 示，社保基金共现身164只股，调仓动向方面，二季度社保基金新进34股、增持44股、减持52股，社保 基金持股量保持不变的有34股。 社保基金新开仓股票中，从前十大流通股东名单中社保基金家数来看，社保基金家数最多的是苏试试 验，共有3家社保基金出现在前十大流通股东名单中，即全国社保基金六零二组合、全国社保基金六零 一组合、全国社保基金五零二组合，分别位列公司第5大、第7大、第10大流通股东，持股量合计为 1486.20万股，占流通股比例为2.94%。 从持股比例看，新进股中社保基金持有比例最多的是中触媒，持股量占流通股比例为3.45%，其次是北 鼎股份，社保基金持股比例为3.16%，持股比例居前的还有苏试试验、史丹利、新强联等。 从持股量统计，社保基金新进的个股中，持股量最多的是华菱钢铁，共持有4807.94万股，史丹利、卫 星化学等紧随其后，持股量分别为2199.99万股、2016.93万股。 业绩方面，社保基金新进股中，半年报净利润同比增长的 ...

金融界消息 截至2025年8月19日收盘，苏试试验（300416）报收于16.71元，下跌1.18%，换手率 4.12%，成交量20.82万手，成交金额3.50亿元。 资金流向方面，今日主力资金净流出2157.15万元，占比成交额6.16%。其中，超大单净流出1157.35万 元、占成交额3.31%，大单净流出999.81万元、占成交额2.86%，中单净流出流出1503.63万元、占成交 额4.3%，小单净流入3660.78万元、占成交额10.46%。 天眼查商业履历信息显示，苏州苏试试验集团股份有限公司，成立于2007年，位于苏州市，是一家以从 事研究和试验发展为主的企业。企业注册资本50854.7806万人民币，实缴资本20608万人民币。公司法 定代表人为钟琼华。 通过天眼查大数据分析，苏州苏试试验集团股份有限公司共对外投资了26家企业，参与招投标项目1260 次，知识产权方面有商标信息23条，专利信息530条，此外企业还拥有行政许可14个。 来源：金融界 苏试试验最新一期业绩显示，截至2025中报，公司营业总收入9.91亿元、同比增长8.09%，归属净利润 1.17亿元，同比增长14.18%，扣非净利 ...

Investment Rating - The industry is rated as "stronger than the market" with an expected relative increase of over 10% compared to the market index in the next six months [38]. Core Insights - The heavy holding ratio for the social service industry in Q2 2025 is 0.09%, a decrease of 0.03 percentage points from the previous quarter, ranking 30th among 31 first-level industries, indicating a position at the bottom of the industry [11][35]. - The current heavy holding ratio is significantly below the five-year historical average of 0.49%, suggesting substantial room for rebound [11][35]. - The education sector shows a rebound in interest, while the hotel and restaurant sector remains at a low holding ratio [18][35]. - The implementation and optimization of the national visa-free policy is expected to continue boosting the tourism market, alongside new opportunities arising from the establishment of duty-free shops [35]. Summary by Sections Heavy Holding Ratio Analysis - In Q2 2025, there are 344 funds heavily invested in the social service industry, a decrease of 59 funds from the previous quarter, with a total market value of 6.225 billion yuan, down by 1.786 billion yuan [11][35]. - The heavy holding ratio for the hotel and restaurant sector is at 0.02%, down 0.01 percentage points, while the tourism and scenic area sector is at 0.03%, showing a slight decline [18][35]. Sector Performance - The professional services sector has seen a decrease in heavy holding ratio to 0.03%, while the education sector has slightly increased to 0.01% [18][35]. - The hotel and restaurant sector's heavy holding ratio has been declining since reaching a peak in Q2 2022 [18][35]. Individual Stock Performance - The top ten stocks in the social service sector have a combined heavy holding ratio of 0.072%, down 0.03 percentage points from Q1 2025 [27][28]. - Notable increases in heavy holding ratios were observed for stocks such as Dou Shen Education and Changbai Mountain, while significant decreases were noted for Huace Detection and Su Shi Testing [30][31].