Group 1 - Hengtong Optic-Electric (600487.SH) reported its semi-annual results for 2025, with 69 institutional investors holding a total of 844 million shares, representing 34.23% of the company's total equity as of August 25, 2025 [1] - The top ten institutional investors collectively hold 31.98% of Hengtong Optic-Electric's shares, with a 0.51 percentage point increase compared to the previous quarter [1] Group 2 - In the public fund sector, 10 funds increased their holdings, accounting for a 0.34% increase, while 12 funds decreased their holdings, representing a 0.13% decrease [2] - A total of 27 new public funds were disclosed this period, including several focused on high-end manufacturing and environmental themes [2] - Two new insurance investors were disclosed this period, both traditional insurance products from major insurance companies [2]

Group 1 - Zhongji United (605305.SH) released its 2024 annual report on April 19, 2025, with 356 institutional investors holding a total of 81.7315 million A-shares, accounting for 38.46% of the total share capital [1] - The top ten institutional investors include companies such as Shichuang (Beijing) Technology Development Co., Ltd. and Kuwait Investment Authority, with their combined holding ratio at 21.22%, a decrease of 0.87 percentage points compared to the previous quarter [1] Group 2 - In the public fund sector, four funds increased their holdings, including Boda Huitai Preferred Mixed A and Morgan Stanley Thematic Preferred Mixed, with an increase ratio of 0.29% [2] - Seven public funds reduced their holdings, with a decrease ratio of 0.49%, including funds like E Fund High-end Manufacturing Mixed A and E Fund Environmental Theme Mixed A [2] - A total of 335 new public funds were disclosed this period, including funds like Jiao Yin Trend Mixed A and E Fund Industry Upgrade Mixed A [2]