社保基金新进31股，最新持仓披露

Group 1 - The core viewpoint of the article highlights the recent activities of social security funds in the A-share market, particularly their new investments, increased holdings, and reductions in certain stocks during the second quarter of 2025 [1][5][10] - Social security funds have entered 31 new stocks, increased holdings in 37 stocks, and reduced holdings in 36 stocks, maintaining their stake in 30 stocks, with a total holding of 2.22 billion shares valued at 38.58 billion yuan [1][5] - The largest holdings of social security funds are concentrated in the chemical, pharmaceutical, and electronics sectors, with significant investments in companies like Chunfeng Power, which saw a stock price increase of 83.53% year-to-date [3][5][7] Group 2 - The performance of Chunfeng Power in the first half of 2025 showed a revenue of 9.855 billion yuan, a year-on-year increase of 30.90%, and a net profit of 1.002 billion yuan, up 41.35% year-on-year [4][6] - Social security funds have shown a preference for the chemical industry, which has seen an 11.51% increase since July, indicating a potential recovery in the sector [7][10] - The annualized return of social security funds has exceeded 7%, with a historical average return of 7.36% over 24 years, outperforming many professional investment institutions [8][12] Group 3 - The investment strategy of social security funds is characterized by a dual approach, focusing on industries with low valuations and those in high growth cycles supported by national policies [10][11] - In the second quarter, social security funds reduced their holdings in 36 stocks, with significant reductions in companies like Shenhuo Co., indicating a strategy of profit-taking [11][12] - The total scale of the national social security fund is expected to reach approximately 3 trillion yuan by the end of 2024, reflecting its long-term investment strategy in the A-share market [12][14]