JACK(SH:603337) Xin Lang Cai Jing·2025-08-28 10:28Group 1 - Jack Shares (603337.SH) released its 2025 semi-annual report on August 28, 2025, with 40 institutional investors holding a total of 323 million shares, representing 67.58% of the total share capital [1] - The top ten institutional investors collectively hold 65.86% of the shares, with a slight increase of 0.10 percentage points compared to the previous quarter [1] Group 2 - In the public fund sector, one fund, GF Stable Growth Mixed A, reduced its holdings by 0.41% compared to the previous quarter [2] - Eleven new public funds disclosed their holdings this period, including several mixed funds such as招商优势企业混合A and 融通中国风1号灵活配置混合A/B [2] - One social security fund, the National Social Security Fund 115 Portfolio, reduced its holdings by 0.19% compared to the previous quarter [2]