SG Micro Corp(SZ:300661) Xin Lang Cai Jing·2026-01-21 06:15Group 1 - The core point of the news is that Shengbang Microelectronics (Beijing) Co., Ltd. has seen a stock price increase of 5.05%, reaching 75.56 yuan per share, with a total market capitalization of 467 billion yuan [1] - The company specializes in high-performance and high-quality analog integrated circuits, with its main business revenue composition being 61.75% from power management products and 38.04% from signal chain products [1] - The company was established on January 26, 2007, and went public on June 6, 2017 [1] Group 2 - According to data from the top ten heavy stocks of funds, Shangzheng Fund has one fund heavily invested in Shengbang shares, specifically the Shangzheng Research Selected Mixed Fund A (023397), which increased its holdings by 4,200 shares in the third quarter [2] - The fund currently holds 14,600 shares, accounting for 6.73% of the fund's net value, ranking as the ninth largest heavy stock [2] - The fund has achieved a return of 16.09% this year, ranking 207 out of 8,844 in its category, and a cumulative return of 52.22% since its inception [2] Group 3 - The fund manager of Shangzheng Research Selected Mixed Fund A is Zhang Zhimei, who has a tenure of 8 years and 48 days, with the fund's total asset size at 253 million yuan [3] - During Zhang's tenure, the best fund return was 121.21%, while the worst was -29.86% [3] - Co-manager Li Rui has a tenure of 338 days, with a fund asset size of 18.07 million yuan, achieving a best return of 52.26% and a worst return of 7.12% during his tenure [3]