Group 1 - The core viewpoint of the news is that Saiwei Microelectronics (688325.SH) has reported its semi-annual results for 2025, highlighting significant institutional investor interest with 16 institutions holding a total of 49.9861 million shares, representing 58.03% of the total share capital [1] - The top ten institutional investors collectively hold 55.88% of the shares, with a slight decrease of 0.50 percentage points compared to the previous quarter [1] Group 2 - In the public fund sector, four funds increased their holdings in this period, with a total increase of 0.41% [2] - Three new public funds disclosed their holdings this quarter, while two funds from the previous quarter did not disclose their holdings again [2]