Group 1 - The core viewpoint of the news is that Jingjin Equipment (603279.SH) has reported its semi-annual results for 2025, highlighting significant institutional investor holdings and changes in share ownership [1] - As of August 26, 2025, a total of 26 institutional investors hold 273 million shares of Jingjin Equipment, accounting for 47.33% of the total share capital [1] - The top ten institutional investors collectively hold 45.93% of the shares, with a decrease of 1.98 percentage points compared to the previous quarter [1] Group 2 - In the public fund sector, six funds increased their holdings, representing a 0.14% increase, while ten funds decreased their holdings, accounting for a 0.40% decrease [2] - One social security fund, specifically the Dachen Fund Management Co., Ltd. - Social Security Fund 1101 Combination, reported a decrease in holdings by 0.50% compared to the previous quarter [2]