Roborock(SH:688169) Xin Lang Cai Jing·2025-08-16 02:15Group 1 - Stone Technology (688169.SH) reported its 2025 semi-annual results, with 128 institutional investors holding a total of 79.29 million A-shares, representing 30.64% of the total share capital [1] - The top ten institutional investors collectively hold 21.42% of the shares, with an increase of 0.58 percentage points compared to the previous quarter [1] Group 2 - In the public fund sector, 68 funds increased their holdings, with a holding increase ratio of 6.90%, including major funds like Huaxia SSE Sci-Tech Innovation Board 50 ETF and E Fund SSE Sci-Tech Innovation Board 50 ETF [2] - Seven public funds reduced their holdings, with a slight decrease in the holding reduction ratio, including funds like Galaxy Beautiful Mixed A and Zheshang Sci-Tech One Month Rolling Mixed A [2] - A total of 51 new public funds disclosed their holdings, including E Fund CSI 300 ETF and several funds from Invesco Great Wall [2]