社保基金新进31股，最新持仓披露

Core Viewpoint - The article discusses the recent movements of social security funds in the A-share market, highlighting their investment strategies and the performance of specific stocks, particularly in the chemical, pharmaceutical, and electronics sectors [1][9]. Group 1: Social Security Fund Movements - As of the second quarter of 2025, social security funds have entered 31 new stocks, increased holdings in 37 stocks, and reduced holdings in 36 stocks, maintaining a total of 134 stocks in their portfolio [2]. - The total number of shares held by social security funds is 2.22 billion, with a market value of 38.58 billion yuan [2]. - The largest holdings include Spring Power, with a holding amount of 2.15 billion yuan and a significant increase in stock price, achieving an 83.53% increase year-to-date [6][9]. Group 2: Sector Preferences - Social security funds show a strong preference for the chemical, pharmaceutical, and electronics sectors, with market values of 6.31 billion yuan, 5.56 billion yuan, and 4.28 billion yuan respectively [9]. - The chemical industry has seen a significant increase, with the index rising by 11.51% since July, indicating a recovery in this sector [9]. Group 3: Performance of New Holdings - Among the newly entered stocks, 29 companies reported year-on-year net profit growth, with New Strong Link showing a remarkable increase of 496.60% in net profit [8]. - The highest proportion of holdings by social security funds is in Blue Sky Technology, where they hold 8.4% of the circulating shares [8]. Group 4: Investment Strategy - Social security funds adopt a dual strategy, focusing on industries with low valuations and those in high-growth cycles supported by national policies [11]. - The average annual return of social security funds has reached 7.36%, outperforming many professional investment institutions [11][12].