Since April, there have been research conducted on 270 companies by institutions, with 52 companies being heavily favored by social security funds.

According to Securities Times and Data Bao statistics, since April, a total of 270 listed companies have been surveyed by institutions, among which 22 companies including Zhongkuang Resources, Jeri Shares, and Taili Technology have been surveyed by over 100 institutions. In terms of the content of the surveys, the financial performance of listed companies in 2025 has received significant attention from institutions. In terms of industry distribution, the electronics and machinery equipment industries have the highest number of companies surveyed by institutions, with 30 and 29 companies respectively. The computer, pharmaceutical and biological, and electric equipment industries also have 20 or more companies surveyed by institutions. According to the top ten circulating shareholders data disclosed in the annual report, as of the end of the fourth quarter of 2025, the social security fund holds heavy positions in 52 companies surveyed by institutions. Based on the closing prices at the end of 2025, the total market value of shares held by the social security fund in the above-mentioned companies reached 23.433 billion yuan. Among them, companies such as BYD, Haomai Technology, Zang Ge Mining, China Giant Stone, and Goldwind Technology ranked top in terms of the market value of shares held by the social security fund, all exceeding 500 million yuan.