百川能源：廊坊百川资产管理有限公司等一致行动人持股比例已降至50.00%

Group 1 - The core point of the article is that Baichuan Energy announced a significant reduction in shareholding by its concerted action group, which includes several individuals and a management company [1] - The concerted action group reduced its total shareholding by 9,814,100 shares through centralized bidding and block trading from January 30 to February 4, 2026 [1] - Following this reduction, the total shares held by the concerted action group decreased to 670,427,444 shares, resulting in a change in ownership percentage from 50.73% to 50.00% of the company's total share capital [1]