Core Insights - The article highlights the performance and stock selection strategy of Chen Liangdong, a fund manager, showcasing significant returns from various stocks under his management [1][2][4] Fund Performance - The Long城新兴产业混合A fund achieved a cumulative return of 81.71% during Chen Liangdong's tenure, with an average annualized return of 7.91% [1] - The Long城久富LOF fund reported an annualized return of 8.80% and a 2025 Q3 increase of 35.37% [1] Stock Selection and Performance - Notable stocks with high returns during Chen's management include: - Jianlang Hardware: Estimated return of 384.72% with a company performance growth of 86.01% [2][4] - Berteli: Estimated return of 255.67% with a company performance growth of 214.79% [2] - CaiXun Co.: Estimated return of 251.17% with a company performance growth of 24.18% [2] - Conversely, some stocks underperformed, such as: - Zijin Mining: Estimated return of -87.80% despite a company performance growth of 51.76% [3][4] - Hengxuan Technology: Estimated return of -45.73% with a company performance decline of 15.89% [3] Trading Strategy - Chen Liangdong's trading strategy involved frequent adjustments, with a total of 141 adjustments during his tenure, achieving a win rate of 52.48% [1] - The strategy included both successful and unsuccessful trades, with six instances of doubling returns [1][4]

Group 1 - The core viewpoint of the news is that Orbbec (688322.SH) has reported a decrease in institutional ownership in its third-quarter report for 2025, with a total of 8 institutional investors holding 81.58 million shares, representing 20.34% of the total share capital, a decline of 0.40 percentage points from the previous quarter [1] Group 2 - In the public fund sector, there are 2 funds that increased their holdings compared to the previous period, specifically the E Fund National Robot Industry ETF and the Huaxia CSI Robot ETF, with an increase in holding ratio of 0.99% [2] - There is 1 public fund that reduced its holdings, namely the Great Wall Emerging Industry Mixed A, with a slight decrease in holding ratio [2] - A total of 309 public funds did not disclose their holdings this quarter, including funds such as Xingquan He Run Mixed A, Xingquan He Yi Mixed A, Yongying Advanced Manufacturing Selected Mixed Initiation A, Bosera Sci-Tech Board Artificial Intelligence ETF, and Southern CSI 1000 ETF [2]

Core Viewpoint - Ampelron (301413.SZ) reported its Q3 2025 results, highlighting a significant presence of institutional investors holding 21.25% of its total shares, with a notable decline in the proportion held by the top ten institutions compared to the previous quarter [1] Group 1: Institutional Holdings - As of October 23, 2025, a total of 11 institutional investors disclosed holdings in Ampelron A-shares, amounting to 20.9064 million shares [1] - The top ten institutional investors collectively hold 21.21% of Ampelron's total shares, which is a decrease of 6.44 percentage points from the previous quarter [1] Group 2: Public Fund Holdings - One public fund, Penghua Carbon Neutral Theme Mixed A, reduced its holdings by 0.86% compared to the previous quarter [2] - Four new public funds disclosed their holdings this quarter, including Invesco Great Wall Research Selected Stock A and Invesco Great Wall Stable Return Mixed A [2] - A total of 155 public funds were not disclosed this quarter, including notable funds such as Yongying Advanced Manufacturing Smart Selection Mixed A and Penghua Hong Kong-Shenzhen Emerging Growth Mixed A [2]