SMEI(SZ:300456) Xin Lang Cai Jing·2025-09-18 02:47Core Viewpoint - Saiwei Electronics experienced a 5.19% increase in stock price, reaching 26.53 CNY per share, with a trading volume of 1.142 billion CNY and a turnover rate of 7.50%, resulting in a total market capitalization of 19.426 billion CNY [1] Company Overview - Beijing Saiwei Electronics Co., Ltd. was established on May 15, 2008, and went public on May 14, 2015. The company specializes in MEMS process development, wafer manufacturing, GaN epitaxial material growth, and chip design [1] - The revenue composition of the company is as follows: MEMS wafer manufacturing accounts for 54.30%, MEMS process development for 39.14%, other for 4.90%, and semiconductor equipment for 1.67% [1] Shareholder Information - Guolianan Fund's ETF, Guolianan CSI Semiconductor Products and Equipment ETF Link A (007300), increased its holdings by 495,500 shares in the second quarter, now holding 5.4324 million shares, which is 0.91% of the circulating shares. The estimated floating profit today is approximately 7.1165 million CNY [2] - The fund was established on June 26, 2019, with a current size of 1.669 billion CNY. Year-to-date returns are 37.14%, ranking 1210 out of 4222 in its category; the one-year return is 113.8%, ranking 230 out of 3804; and since inception, the return is 176.86% [2] Fund Performance - Guolianan CSI 1000 Index Enhanced A (016962) holds 57,700 shares of Saiwei Electronics, making it the third-largest holding in the fund, with an estimated floating profit of about 75,600 CNY [3] - This fund was established on December 5, 2022, with a current size of 10.6 million CNY. Year-to-date returns are 33.45%, ranking 1471 out of 4222; the one-year return is 75.53%, ranking 1169 out of 3804; and since inception, the return is 30.65% [3]