STI(SZ:300416) Xin Lang Cai Jing·2025-07-30 01:13Core Viewpoint - Su Shi Testing (300416.SZ) reported a significant institutional ownership, with 42 institutional investors holding a total of 235 million shares, representing 46.12% of the total share capital as of July 29, 2025 [1] Institutional Investors - The top ten institutional investors collectively hold 42.79% of the shares, with a slight increase of 0.12 percentage points compared to the previous quarter [1] - Major institutional investors include Suzhou Testing Instrument Factory, Ruizhong Life Insurance Co., Ltd., and Hong Kong Central Clearing Limited [1] Public Funds - Seven public funds increased their holdings, with a total increase of 0.11%, while six public funds decreased their holdings by 0.20% [2] - A total of 20 new public funds disclosed their holdings, while 48 public funds did not disclose their holdings in this period [2] Insurance Capital - One insurance investor, Ruizhong Life Insurance Co., Ltd., increased its holdings by 0.7%, while one new insurance investor, China Life Reinsurance Co., Ltd., was disclosed [3] - Two pension funds were not disclosed in this period [3] Foreign Investment - One foreign fund, Hong Kong Central Clearing Limited, reduced its holdings by 0.38% compared to the previous quarter [3]