振芯科技股价涨5.08%，长信基金旗下1只基金重仓，持有913.52万股浮盈赚取1023.14万元

Group 1 - The core point of the article highlights the recent performance of Zhenxin Technology, which saw a 5.08% increase in stock price, reaching 23.17 yuan per share, with a trading volume of 316 million yuan and a total market capitalization of 13.158 billion yuan [1] - Zhenxin Technology, established on June 12, 2003, and listed on August 6, 2010, specializes in the "components-terminals-systems" industry chain related to Beidou satellite navigation applications, focusing on the design, development, production, and sales of key components, high-performance integrated circuits, and navigation terminals [1] - The revenue composition of Zhenxin Technology includes integrated circuit business at 50.23%, comprehensive Beidou navigation applications at 35.43%, smart city construction and operation services at 11.34%, machine perception and intelligent products at 2.44%, and others at 0.57% [1] Group 2 - Longxin Fund's Longxin National Defense and Military Industry Quantitative Mixed A Fund (002983) has entered the top ten circulating shareholders of Zhenxin Technology, holding 9.1352 million shares, which accounts for 1.61% of circulating shares, with an estimated floating profit of approximately 10.2314 million yuan [2] - The Longxin National Defense and Military Industry Quantitative Mixed A Fund was established on January 5, 2017, with a current scale of 905 million yuan, achieving a year-to-date return of 34.1% and a one-year return of 35.8% [2] - The fund manager, Song Hai'an, has been in position for 7 years and 312 days, managing assets totaling 6.495 billion yuan, with the best fund return during his tenure being 151.43% and the worst being -26.88% [3] Group 3 - Longxin National Defense and Military Industry Quantitative Mixed A Fund holds Zhenxin Technology as its eighth largest heavy stock, with 9.1352 million shares, representing 5.09% of the fund's net value, and an estimated floating profit of about 10.2314 million yuan [4]