Cai Jing Wang·2026-01-08 12:06Core Insights - In December 2025, a total of 713 private equity firms participated in A-share research activities, covering 392 stocks across 28 primary industries, with a total of 1,765 research instances recorded [1] - Notably, 43 large private equity firms conducted research on 151 A-shares, accounting for 16.49% of the total research instances [1] - The most researched stocks included Haiguang Information and Zhongke Shuguang, each receiving 117 research instances, significantly outpacing other A-shares [1][2] Industry Focus - The top ten stocks receiving the most attention from private equity firms were primarily in the machinery, electronics, and pharmaceutical industries, with three stocks from the machinery sector making the list [2][4] - The electronics industry had 60 stocks researched, totaling 384 instances, while the machinery sector had 64 stocks with 286 instances, making them the focal points of private equity research [4][5] - Other industries that garnered significant attention included computer, pharmaceutical, automotive, and power equipment, each surpassing 100 research instances [4][5] Stock Research Rankings - The top ten A-shares by research instances in December included: - Haiguang Information (117 instances) - Zhongke Shuguang (117 instances) - Changan Automobile (42 instances) - Jerry Holdings (34 instances) - Boying Welding (31 instances) - Weichuang Electric (30 instances) - Yipin Hong (30 instances) - Huqin Technology (27 instances) - Huatong Cable (25 instances) - Zoli Pharmaceutical (24 instances) [3] Active Private Equity Firms - In December, 24 private equity firms conducted at least 10 research instances, with 12 of them being large firms [5][6] - Zhengyuan Investment led with 28 research instances covering 27 stocks, primarily in the machinery sector [6][7] - Other notable firms included Dui Shui Quan with 25 instances, Gao Yi Asset and He Xie Hui Yi Asset with 21 instances each, and Panjing Investment with 19 instances [6][7][8]