BPSemi(SH:688368) Xin Lang Cai Jing·2025-10-17 03:29Core Viewpoint - The stock of Shanghai Jingfeng Mingyuan Semiconductor Co., Ltd. experienced a decline of 5.02% on October 17, with a trading price of 101.20 yuan per share and a total market capitalization of 8.955 billion yuan [1] Company Overview - Shanghai Jingfeng Mingyuan Semiconductor Co., Ltd. was established on October 31, 2008, and listed on October 14, 2019. The company is located in the China (Shanghai) Pilot Free Trade Zone [1] - The company's main business involves the design, research and development, and sales of semiconductor power management chips. The revenue composition is as follows: LED lighting driver chips 51.44%, motor control driver chips 26.21%, AC/DC power chips 17.56%, high-performance computing power chips 4.76%, and others 0.03% [1] Fund Holdings - According to data from the top ten heavy stocks of funds, one fund under Shangzheng Fund holds a significant position in Jingfeng Mingyuan. The Shangzheng Research Selected Mixed Fund A (023397) held 8,249 shares in the second quarter, accounting for 6.8% of the fund's net value, making it the seventh-largest heavy stock [2] - The fund has an estimated floating loss of approximately 44,100 yuan as of the current trading day [2] Fund Manager Performance - The fund manager of Shangzheng Research Selected Mixed Fund A is Zhang Zhimei, who has been in the position for 7 years and 317 days, with a total fund asset size of 429 million yuan. The best fund return during her tenure is 121.21%, while the worst is -25.03% [3] - Co-manager Li Rui has been in the position for 242 days, managing assets totaling 10.6467 million yuan, with a best return of 38.55% and a worst return of 0.9% during his tenure [3]