Core Viewpoint - Vine Chemical Co., Ltd. (603968.SH) reported its Q3 2025 results, highlighting a total institutional ownership of 38.25 million shares, representing 18.71% of the total share capital, with a slight decline in institutional ownership compared to the previous quarter [1] Institutional Ownership - As of October 30, 2025, six institutional investors disclosed their holdings in Vine Chemical, with a combined ownership of 38.25 million shares, accounting for 18.71% of the total share capital [1] - The total institutional ownership decreased by 0.56 percentage points compared to the previous quarter [1] Public Fund Holdings - Two public funds increased their holdings compared to the previous period, namely Jianxin Flexible Allocation Mixed A and CITIC Securities CSI 1000 Index Enhanced A, with an increase in ownership proportion of 0.21% [1] - One new public fund disclosed its holdings this quarter, which is Su Xin Shanghai Stock Exchange Science and Technology Innovation Index Enhanced A [1] - A total of 48 public funds did not disclose their holdings this quarter, including notable funds such as Nuon An Multi-Strategy Mixed A and Morgan Stanley Multi-Factor Strategy Mixed A [1]

Core Insights - Nanda Optoelectronics (300346.SZ) reported its Q3 2025 results, revealing that 27 institutional investors hold a total of 86.582 million shares, accounting for 12.53% of the company's total equity [1] Institutional Holdings - The top ten institutional investors collectively hold 11.74% of Nanda Optoelectronics, with a decrease of 0.81 percentage points compared to the previous quarter [1] Public Fund Activity - In the current period, 15 public funds increased their holdings, with a total increase ratio of 1.29%, including funds like Guotai CSI Semiconductor Materials and Equipment Theme ETF and Harvest CSI Semiconductor Index Enhanced Initiation A [2] - Conversely, 3 public funds reduced their holdings, with a total decrease ratio of 0.71%, including funds like Guolianan Semiconductor ETF and E Fund Growth Enterprise Board ETF [2] - There were 5 new public funds disclosed in this period, while 215 public funds were not disclosed compared to the previous quarter [2] Foreign Investment - One new foreign institution, Hong Kong Central Clearing Limited, disclosed its holdings in this period [3]