天天基金网·2025-08-15 05:50Core Viewpoint - The article highlights the significant presence of social security funds in the stock market, particularly focusing on their investments in various sectors and specific companies as of the first half of 2025 [1][3]. Group 1: Social Security Fund Holdings - As of August 13, 2025, 281 A-share listed companies have disclosed their mid-year reports, with 42 companies having social security funds among their top ten circulating shareholders [3][6]. - The total number of shares held by social security funds amounts to 789 million, with a market value of 14 billion yuan [3][9]. - The top three companies by market value held by social security funds are Changshu Bank (20.47 billion yuan), Pengding Holdings (13.78 billion yuan), and Haida Group (12.32 billion yuan) [3][4]. Group 2: Sector Analysis - Social security funds have significant holdings in the basic chemical and banking sectors, each exceeding 2 billion yuan, while holdings in the electronics and pharmaceutical sectors exceed 1.2 billion yuan [9][11]. - The total market value of social security fund holdings in the basic chemical sector is 23.97 billion yuan, and in the banking sector, it is 20.47 billion yuan [9][11]. Group 3: Changes in Holdings - In the second quarter of 2025, social security funds entered the top ten shareholders of 15 new stocks, with notable investments in Yanjing Beer, Chuanfeng Power, and Weixing Chemical, each exceeding 300 million yuan [6][9]. - The largest increase in holdings was seen in Changshu Bank, with an additional 23.8 million shares acquired, followed by Haida Group and Pengding Holdings with increases of 10.15 million shares and 6.51 million shares, respectively [8][9].