Group 1 - The core point of the news is that Huahai Chengke (688535.SH) reported its Q3 2025 results, revealing that institutional investors hold a total of 16.1675 million shares, accounting for 20.03% of the total share capital, with a slight decrease of 0.35 percentage points compared to the previous quarter [1] - A total of 8 institutional investors disclosed their holdings in Huahai Chengke, including notable entities such as Lianyungang Deyufeng Investment Partnership and Tian Shui Huatian Technology Co., Ltd [1] - Among public funds, there was a slight increase in holdings from one fund, Fangzheng Fubang Technology Innovation A, while 67 public funds were not disclosed in the current period, including several ETFs focused on semiconductor materials and equipment [1] Group 2 - The only new disclosure from social security funds is the National Social Security Fund 602 Portfolio, which has reported its holdings in Huahai Chengke [2]