Core Insights - The social security fund has significantly expanded its investment scope in the third quarter, particularly favoring the financial sector, while the basic pension insurance fund shows a preference for electronic-related stocks [1][2]. Social Security Fund Investments - As of the end of the third quarter, the social security fund entered the top ten shareholders of 617 stocks, an increase from 574 at the end of the second quarter and 379 year-on-year [2]. - The total market value held by the social security fund in A-shares exceeded 550 billion yuan, and by October 31, this value increased to over 590 billion yuan if no changes were made to the holdings [2]. - The Agricultural Bank of China was the most significant holding, with approximately 23.52 billion shares and a market value of 156.88 billion yuan at the end of the third quarter, which increased by over 30 billion yuan by October 31 [2]. Basic Pension Insurance Fund Investments - The basic pension insurance fund was a top ten shareholder in 176 stocks by the end of the third quarter, remaining stable compared to the second quarter [4]. - The top three holdings in the electronic sector included Spring Wind Power, Zhejiang Chint Electrics, and Transsion Holdings, with total market values exceeding 20 billion yuan, 1.5 billion yuan, and 1.46 billion yuan respectively [4]. - The fund reduced its holdings in Transsion Holdings, Blue Sky Technology, and Zhejiang Chint Electrics compared to the second quarter, while new investments were made in Guangfa Securities and Hongfa Shares [5]. Investment Trends - The social security and basic pension insurance funds have shown a tendency to increase holdings in relatively less popular sectors such as finance, real estate, agriculture, and chemicals, contrasting with the market's focus on technology stocks [6][8]. - The top three stocks with the largest increase in holdings by the social security fund were China Pacific Insurance, Guangxin Co., and China Merchants Shekou, with increases of 45.38 million shares, 34.63 million shares, and 33.37 million shares respectively [7]. - The basic pension insurance fund also increased its holdings in lesser-known stocks such as Xiantan Co., YTO Express, and COSCO Shipping, indicating a strategic approach to long-term investments in undervalued sectors [8].