Group 1 - The core viewpoint of the news is the disclosure of institutional and public fund holdings in Beixin Source (300352.SZ) as of April 20, 2025, indicating a decrease in holdings by major institutional investors compared to the previous quarter [1] - A total of 71 institutional investors hold shares in Beixin Source, with a combined holding of 66.0067 million shares, representing 4.55% of the total share capital [1] - The top ten institutional investors account for 4.23% of the total shares, showing a decline of 1.04 percentage points from the previous quarter [1] Group 2 - In the public fund sector, four funds reported a decrease in holdings compared to the previous quarter, with a reduction rate of 0.56% [2] - A total of 65 new public funds disclosed their holdings during this period, including several notable funds such as the Fuguo CSI 1000 ETF and the Zhaoshang CSI 1000 Enhanced Index A [2] - From the foreign investment perspective, one foreign fund, Hong Kong Central Clearing Limited, increased its holdings, accounting for a rise of 0.79% [2]