21世纪经济报道·2025-10-31 13:17Core Viewpoint - The article discusses the significant changes in the holdings of prominent investor Zhang Jianping during the third quarter, highlighting a major reduction in the number of stocks held and a focus on key investments in companies like Cambricon Technologies and Huayou Cobalt [1][3]. Group 1: Holdings Adjustment - Zhang Jianping's third-quarter report shows a drastic reduction in his portfolio, retaining only two stocks: Cambricon Technologies (688256.SH) and newly acquired Huayou Cobalt (603799.SH) [1][2]. - He exited from at least eight companies in the top ten circulating shareholders, including companies in the AI and humanoid robot sectors, indicating a strategic shift [2][3]. Group 2: Performance of Key Holdings - Cambricon Technologies saw a significant increase in holdings, with Zhang owning 640.65 million shares by the end of the third quarter, an increase of 32.02 million shares from the previous quarter, making him the fifth-largest shareholder [3][4]. - The company reported a staggering revenue of 4.607 billion yuan for the first three quarters, a year-on-year increase of 2386.38%, and a net profit of 1.605 billion yuan, marking a turnaround from losses [4]. Group 3: New Investment in Huayou Cobalt - Zhang Jianping's new investment in Huayou Cobalt amounted to 18.5 million shares, representing 0.98% of the circulating stock, with a market value of 1.219 billion yuan [4]. - Huayou Cobalt reported a revenue of 58.941 billion yuan for the first three quarters, a year-on-year increase of 29.57%, and a net profit of 4.216 billion yuan, benefiting from integrated operations and rising cobalt prices [4].