Group 1 - The core viewpoint of the article is that Heshun Petroleum (603353.SH) has reported an increase in institutional investor holdings, reaching a total of 75.70 million shares, which accounts for 43.66% of the company's total share capital as of August 26, 2025 [1] - A total of five institutional investors have disclosed their holdings in Heshun Petroleum, with the institutional holding ratio increasing by 0.87 percentage points compared to the previous quarter [1] - The newly disclosed public funds during this period include two funds: CITIC Prudential Multi-Strategy Mixed (LOF) A and CITIC Prudential Economic Preferred Mixed A [1]