美芯晟股价跌5.06%，汇添富基金旗下1只基金重仓，持有5359股浮亏损失1.22万元

Group 1 - The core point of the news is that Meixinsheng Technology (Beijing) Co., Ltd. experienced a decline in stock price, dropping by 5.06% to 42.57 CNY per share, with a total market capitalization of 4.748 billion CNY as of February 2 [1] - Meixinsheng was established on March 11, 2008, and went public on May 22, 2023, focusing on the research and sales of high-performance analog and mixed-signal chips in integrated circuit design [1] Group 2 - From the perspective of major fund holdings, Huatai-PineBridge Fund has a significant position in Meixinsheng, with the Huatai-PineBridge CSI 2000 ETF holding 5,359 shares, representing 0.4% of the fund's net value, ranking as the tenth largest holding [2] - The Huatai-PineBridge CSI 2000 ETF was established on September 13, 2023, with a latest scale of 52.9237 million CNY, and has achieved a year-to-date return of 7.93%, ranking 1,776 out of 5,579 in its category [2] - The fund manager, Sun Hao, has been in charge for 2 years and 159 days, overseeing total assets of 25.046 billion CNY, with the best return during his tenure being 172.84% and the worst being 3.87% [2]