Group 1 - The core point of the news is that Sanke Tree (603737.SH) reported its Q3 2025 results, revealing that institutional investors hold a total of 86.68 million shares, accounting for 11.75% of the company's total equity, with a slight decrease of 0.03 percentage points from the previous quarter [1] Group 2 - In the public fund sector, one fund, the Chemical ETF, increased its holdings by 0.54%, while two funds, Nord Value Advantage Mixed and Southern CSI 500 ETF, saw a slight decrease in their holdings [2] - Among social security funds, one fund, the National Social Security Fund 404 Combination, reduced its holdings, while two new funds, the National Social Security Fund 503 Combination and the National Social Security Fund 413 Combination, disclosed their holdings in Sanke Tree [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]