Among 107 listed companies, 60 listed companies' social security fund holdings increased compared with the end of the second quarter, 15 companies' holdings remained unchanged, and 32 companies' holdings decreased. In addition, the long-term shareholding characteristics of social security funds are also well reflected in the above-mentioned 107 listed companies, among which 72 companies have been held by social security funds for more than three consecutive quarters, and many companies have been held by social security funds for several years.