Refond(SZ:300241) Xin Lang Cai Jing·2025-08-28 10:29Group 1 - The core viewpoint of the news is that Ruifeng Optoelectronics (300241.SZ) has reported an increase in institutional holdings, indicating growing investor interest [1] - As of August 27, 2025, a total of 20 institutional investors hold shares in Ruifeng Optoelectronics, with a combined holding of 18.9953 million shares, representing 2.75% of the total share capital [1] - The top ten institutional investors collectively hold 2.68% of the shares, with a notable increase of 1.75 percentage points compared to the previous quarter [1] Group 2 - In the public fund sector, one fund, Dacheng CSI 360 Internet + Index A, has increased its holdings, while one fund, Huatai-PineBridge CSI 800 Index Enhanced A, has decreased its holdings [2] - Two new public funds have been disclosed this period, including Rongtong Quantitative Multi-Strategy Flexible Allocation Mixed A and Ping An CSI 2000 Enhanced Strategy ETF [2] - Three public funds have not been disclosed this period, including Huatai-PineBridge CSI 800 Index Enhanced A, Dongfanghong CSI 500 Index Enhanced Initiation A, and Xingyin CSI 1000 Index Enhanced A [2]