董承非大调仓！

Summary of Key Points Core Viewpoint - Dong Chengfei, Chief Research Officer of Ruijun Asset, has made new investments in Yangjie Technology and Tubao, while reducing holdings in Chipeng Microelectronics as of August 20, 2025 [1]. Group 1: Yangjie Technology - Dong Chengfei's Ruijun Youfu No. 1 private equity fund has newly entered the top ten circulating shareholders of Yangjie Technology, acquiring 2.5533 million shares with a reference market value of 133 million yuan, accounting for 0.47% of circulating shares [3][4]. - Yangjie Technology reported a total revenue of 3.455 billion yuan in the first half of the year, representing a year-on-year increase of 20.58%, and a net profit attributable to shareholders of 601 million yuan, up 41.55% [5]. - The company's stock price has risen approximately 34% year-to-date, recovering from a drop to 37.59 yuan per share in April to around 58 yuan per share [6]. Group 2: Tubao - Ruijun Youfu No. 1 private equity fund has also newly invested in Tubao, holding 6.068 million shares with a reference market value of 59 million yuan, making it the ninth largest circulating shareholder [8][9]. - Tubao reported a total revenue of 3.634 billion yuan in the first half of the year, a year-on-year decrease of 7.01%, while the net profit attributable to shareholders was 268 million yuan, an increase of 9.71% [10]. - The stock price of Tubao has decreased by approximately 8.8% year-to-date [11]. Group 3: Chipeng Microelectronics - Ruijun Youfu No. 1 and No. 3 funds have reduced their holdings in Chipeng Microelectronics by 420,000 shares, bringing the total holdings down to 2.4158 million shares, with a reference market value of 135 million yuan [13]. - Chipeng Microelectronics achieved a revenue of 636 million yuan in the first half of the year, a year-on-year increase of 40.32%, and a net profit attributable to shareholders of 90 million yuan, up 106.02% [14].