Group 1 - MicroNano (688147.SH) released its 2024 annual report on April 26, 2025, indicating that as of April 25, 2025, 125 institutional investors disclosed holding shares, totaling 303 million shares, which accounts for 66.23% of MicroNano's total share capital [1] - The top ten institutional investors include Wuxi Wanhaiying Investment Partnership, Wuxi Juhaiying Management Consulting Partnership, and others, with a combined holding ratio of 63.38%, showing a decrease of 2.00 percentage points compared to the previous quarter [1] Group 2 - In the public fund sector, one public fund, Guotou Ruijin Specialized New Quantitative Stock Mixed A, reported a slight decrease in holdings compared to the previous quarter [2] - A total of 112 new public funds were disclosed this quarter, including Bosera Sci-Tech 100 ETF, Photovoltaic ETF, and others [2]