Group 1 - Huachen Equipment (300809.SZ) released its semi-annual report for 2025 on August 23, 2025, indicating that as of August 22, 2025, nine institutional investors disclosed holding a total of 13.4649 million shares, accounting for 5.31% of the total share capital [1] - The institutional investors include Hainan Xintang Trading Partnership, Industrial Bank Co., Ltd. - Huaxia CSI Robot ETF, and others, with the total institutional holding percentage decreasing by 7.21 percentage points compared to the previous quarter [1] Group 2 - In the public fund sector, two public funds increased their holdings compared to the previous period, including Huaxia CSI Robot ETF and Jin Xin Steady Strategy Mixed A, with an increase ratio of 0.41% [2] - Five new public funds disclosed their holdings this quarter, including Tianhong CSI Robot ETF and several others, while 16 public funds were not disclosed compared to the previous quarter, including Penghua Carbon Neutral Theme Mixed A and others [2]