梁文锋的幻方量化去年收益57%，跻身百亿级量化基金业绩榜第二！

Core Viewpoint - The article highlights the impressive performance of Fantom Quantitative, which achieved an average return of 56.55% in 2025, ranking second among quantitative private equity firms in China, and emphasizes the financial support it provides to DeepSeek for AI model development [1][2]. Group 1: Company Performance - Fantom Quantitative's average return over the past three years is 85.15%, and over the past five years, it is 114.35% [1]. - The company currently manages over 700 billion yuan, maintaining its position in the top tier of China's private quantitative investment sector [1]. - Estimated revenue from management fees and performance commissions for the previous year could exceed 700 million USD, based on a 1% management fee and 20% performance commission [2]. Group 2: DeepSeek Development - DeepSeek, founded in July 2023, is focused on general artificial intelligence and is primarily funded by the research budget of Fantom Quantitative [2]. - The V4 model, an iteration of the V3 model set to be released around the Spring Festival in February, is reported to surpass current leading models in programming capabilities [3]. - DeepSeek's V3 model had a total training cost budget of 5.57 million USD [2]. Group 3: Industry Context - Competitors in the AI model space, such as Zhizhu and MiniMax, have reported significant R&D expenditures, with Zhizhu's cumulative investment reaching approximately 4.4 billion yuan and MiniMax's around 316 million yuan [3]. - The Italian antitrust authority concluded an investigation into DeepSeek regarding user warnings about potential misinformation, indicating regulatory scrutiny in the AI sector [4].