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]

Core Viewpoint - Beijing Institute of Navigation Control Technology Co., Ltd. (理工导航) has shown a significant increase in stock price, reflecting positive market sentiment and investor interest in the company's core business of inertial navigation systems and related services [1] Company Overview - The company was established on February 24, 2012, and went public on March 18, 2022 [1] - It is located in Beijing Economic and Technological Development Zone and primarily engages in the R&D, production, and sales of inertial navigation systems and core components [1] - The revenue composition is as follows: product sales account for 99.63%, other supplementary income for 0.34%, and technical services for 0.04% [1] Stock Performance - As of October 15, the stock price increased by 5.28%, reaching 60.84 CNY per share, with a trading volume of 78.71 million CNY and a turnover rate of 1.51% [1] - The total market capitalization of the company is 5.354 billion CNY [1] Shareholder Information - In the top ten circulating shareholders, Invesco Great Wall Fund's "Invesco Great Wall Research Selected Stock A" (景顺长城研究精选股票A) has entered the list, holding 338,400 shares, which is 0.93% of the circulating shares [2] - The fund has achieved a year-to-date return of 45.98% and a one-year return of 54.96% [2] Fund Manager Profile - The fund manager of Invesco Great Wall Research Selected Stock A is Jiang Shan, who has been in the position for 4 years and 65 days [3] - The total asset size of the fund is 10.811 billion CNY, with the best return during the tenure being 181.78% [3]

Group 1 - The core point of the news is that Yian Technology's stock price dropped by 5.02% to 16.08 CNY per share, with a trading volume of 4.52 billion CNY and a turnover rate of 4.01%, resulting in a total market capitalization of 111.02 billion CNY [1] - Yian Technology, established on May 27, 1993, and listed on June 19, 2012, is located in Dongguan, Guangdong Province, and specializes in the research, design, production, and sales of precision die-casting parts made from light alloys such as aluminum and magnesium [1] - The company's main business revenue composition includes aluminum products at 59.60%, magnesium products at 37.77%, and other products at 2.63% [1] Group 2 - Among the top ten circulating shareholders of Yian Technology, a fund under Invesco Great Wall, specifically the Invesco Great Wall Research Selected Stock A (000688), increased its holdings by 9.3867 million shares in the second quarter, bringing its total to 12.6349 million shares, which accounts for 1.84% of the circulating shares [2] - The Invesco Great Wall Research Selected Stock A (000688) was established on August 12, 2014, with a latest scale of 2.606 billion CNY, achieving a year-to-date return of 63.1% and ranking 352 out of 4220 in its category [2] - The fund manager, Jiang Shan, has a tenure of 4 years and 60 days, with the fund's total asset size at 10.811 billion CNY, achieving the best return of 196.99% and the worst return of -16.09% during his tenure [2]

Group 1 - Zhongheng Electric (002364.SZ) released its 2024 annual report on April 22, 2025, indicating that as of April 21, 2025, 30 institutional investors disclosed holding A-shares, totaling 214 million shares, which accounts for 38.01% of Zhongheng Electric's total share capital [1] - The top ten institutional investors include Hangzhou Zhongheng Technology Investment Co., Ltd., China Construction Bank - Invesco Great Wall Research Selected Stock Fund, and others, with a combined holding ratio of 37.73%, showing a decrease of 0.63 percentage points compared to the previous quarter [1] Group 2 - In the public fund sector, one public fund, Penghua Guozheng 2000 Index Enhanced A, reported a slight decrease in holdings compared to the previous quarter [2] - A total of 26 new public funds were disclosed this period, including Invesco Great Wall Research Selected Stock A and others [2] - One social security fund, Penghua Fund Management Co., Ltd. - Social Security Fund 1804 Combination, was not disclosed in this period compared to the previous quarter [2]

Group 1 - Zhuhai Guanyu (688772.SH) released its 2024 annual report on March 31, 2025, with 241 institutional investors holding a total of 645 million shares, accounting for 57.18% of the total share capital [1] - The top ten institutional investors collectively hold 47.63% of the shares, with a decrease of 0.40 percentage points compared to the previous quarter [1] Group 2 - In the public fund sector, five funds increased their holdings, with an increase rate of 0.14%, while six funds decreased their holdings, with a decrease rate of 0.81% [2] - A total of 198 new public funds were disclosed this period, while 26 funds were no longer disclosed compared to the previous quarter [2] - The only social security fund that increased its holdings was the National Social Security Fund 406 portfolio, with an increase rate of 0.24% [2]