Zheng Quan Shi Bao Wang·2025-12-05 09:41Core Viewpoint - The continuous decline in the number of shareholders for certain companies indicates a trend of increasing concentration of shares, with 115 companies experiencing a decrease for more than three consecutive periods, and some like ST Renzi Hang seeing a drop for 13 periods [1] Group 1: Shareholder Trends - A total of 852 companies reported their latest shareholder numbers as of November 30, with 115 companies showing a continuous decline in shareholder numbers [1] - ST Renzi Hang has the lowest number of shareholders at 42,683, with a cumulative decrease of 23.81% over 13 periods [1] - Run Du shares have seen a decline for 11 periods, with the latest number of shareholders at 20,735, reflecting a cumulative decrease of 40.50% [1] Group 2: Market Performance - Among the companies with declining shareholder numbers, 34 have seen their stock prices rise, while 81 have experienced declines [2] - The highest stock price increases were recorded by Shibai Testing, Anlian Ruishi, and Longji Machinery, with respective increases of 70.88%, 49.53%, and 19.87% [2] - 34 companies outperformed the Shanghai Composite Index during this period, representing 29.57% of the declining shareholder group [2] Group 3: Industry Distribution - The industries with the highest concentration of companies experiencing declining shareholder numbers include machinery equipment (15 companies), pharmaceutical biology (9 companies), and computer (8 companies) [2] - The main board has 68 companies with declining shareholder numbers, while the ChiNext board has 45, and the Sci-Tech Innovation board has 2 [2] Group 4: Institutional Activity - In the past month, 19 companies with declining shareholder numbers have been investigated by institutions, with Zhongdian Port, Zhangjiagang Bank, and Yunnan Copper receiving three inquiries each [2] - The companies with the highest number of institutional participants in their investigations include Sanxia Tourism (76 institutions), Bozhong Precision (43 institutions), and Yunnan Copper (25 institutions) [2]