Group 1 - Aiwai Electronics (688798.SH) reported its semi-annual results for 2025, with 11 institutional investors holding a total of 21.101 million A-shares, representing 9.05% of the total share capital [1] - The top ten institutional investors collectively increased their shareholding proportion by 1.01 percentage points compared to the previous quarter [1] Group 2 - In the public fund sector, two funds increased their holdings, including the Jiashi Shanghai Stock Exchange Science and Technology Innovation Board Chip ETF and the CMB Shanghai Stock Exchange 50 Component Enhanced Strategy ETF, with a slight increase in holding proportion [2] - Six public funds reduced their holdings, with a total reduction proportion of 0.25%, including several funds from HSBC Jintrust [2] - One new public fund was disclosed during this period, namely the Jiashi Green Theme Stock Initiation A [2] - Eleven public funds were not disclosed in this period, including various mixed funds [2]

Core Insights - Puyuan Precision Electric (688337.SH) reported its 2024 annual report, revealing that as of March 31, 2025, 257 institutional investors held a total of 121 million shares, accounting for 62.41% of the company's total equity [1] - The top ten institutional investors collectively held 47.83% of the shares, with a decrease of 2.08 percentage points compared to the previous quarter [1] Institutional Holdings - The number of institutional investors holding Puyuan Precision Electric shares increased to 257, with a total holding of 121 million shares [1] - The top ten institutional investors include various investment firms and funds, with the largest being Suzhou Puyuan Precision Electric Investment Co., Ltd. [1] - The proportion of shares held by the top ten institutional investors decreased by 2.08 percentage points from the last quarter [1] Public Fund Activity - One public fund, E Fund Active Growth Mixed Fund, increased its holdings, while eight public funds reduced their holdings, with a total decrease of 2.35% [2] - A total of 238 new public funds disclosed their holdings in Puyuan Precision Electric, indicating increased interest in the company [2] - Five public funds did not disclose their holdings in the current period, reflecting some turnover in investor interest [2] Social Security Fund - One social security fund, E Fund Management Co., Ltd. - Social Security Fund 17042 Portfolio, disclosed its holdings in Puyuan Precision Electric [2]