Core Viewpoint - The "4433 Fund Selection Method" is a strategy that evaluates fund performance across different time frames to identify consistently high-performing funds, providing a clear framework for investors to filter potential candidates and avoid misleading short-term performance [2][4]. Group 1: Selection Criteria - The first "4" indicates that the fund's one-year return ranks in the top 25% among peers, reflecting excellent performance over the past year [4]. - The second "4" signifies that the fund's returns over the past 2, 3, and 5 years (as well as year-to-date) also rank in the top 25% among peers, indicating sustained long-term performance [4]. - The first "3" shows that the fund's six-month return ranks in the top 33% among peers, suggesting good recent performance [4]. - The second "3" indicates that the fund's three-month return ranks in the top 33% among peers, reflecting positive short-term momentum [4]. Group 2: Subjective Long-Only Funds - Only 13 out of 2283 subjective long-only products meet the "4433 Fund Selection Method" criteria, representing just 0.57% of the total, indicating a very selective pool of consistently high performers [5]. - Notable funds include "博润银泰" and "久阳润泉," both from large private equity firms, showcasing their strong performance across all evaluated time frames [5]. Group 3: Quantitative Long-Only Funds - Among 927 quantitative long-only products, only 9 meet the "4433 Fund Selection Method" criteria, accounting for 0.97% of the total [9]. - Key players include 九坤投资 and 明汯投资, both managing funds that have shown strong performance metrics over multiple years [9][11]. Group 4: CTA Products - Out of 560 CTA products, 10 meet the "4433 Fund Selection Method" criteria, which is a mere 1.79% of the total [12]. - Noteworthy funds include "钧富湖畔7号" and "华澄北极一号," both demonstrating impressive performance across various time frames [12][14]. Group 5: Multi-Asset Strategies - From 821 multi-asset products, 20 meet the "4433 Fund Selection Method" criteria, representing 2.44% of the total [15]. - Prominent funds include "久期宏观对冲1号" and "洛书裕和延庆," both of which have shown strong performance metrics [15][17].

Market Performance - In December 2025, the three major A-share indices showed a fluctuating trend in the early part of the month and strengthened in the latter part, with the Shanghai Composite Index achieving 11 consecutive days of gains [1] - The Shanghai Composite Index, Shenzhen Component Index, and ChiNext Index rose by 2.06%, 4.17%, and 4.93% respectively in December [1] - Commodity futures such as gold, silver, copper, aluminum, and lithium carbonate also experienced strong upward trends in December [1] Private Equity Fund Performance - In this market context, over 51% of the 352 private equity products under a major private equity firm reached historical net value highs last month [2] - Among the products, stock strategy products were the most numerous, with 249 products (225 quantitative long and 8 subjective long), accounting for over 70% [2] - Quantitative products comprised 307 products (with 180 being index-enhanced), making up nearly 90% of the total, while non-quantitative products accounted for only 45 [3] Notable Private Equity Firms - Twelve major private equity firms had all their products (with at least three products displayed on the private equity ranking website) reach historical net value highs last month [4] - The firms ranked by average returns for 2025 include Lingjun Investment, Ningbo Huafang Quantitative, Chengqi Private Equity, and others, with eight firms being quantitative private equity [4][5] - Notably, Ningbo Huafang Quantitative had 10 products (all index-enhanced) with an average return exceeding ***% for 2025, ranking second among quantitative private equity firms [8][9] Performance Rankings - The top five products by average returns for 2025 came from firms such as Yuanshin Investment, Yinye Investment, Longqi Technology, Lingjun Investment, and Pingfang Investment, with two subjective long products taking the top two spots [14] - The threshold for the top 20 products in terms of returns over the past three years was close to ***%, with notable products from Abama Investment and Honghu Private Equity [19][21] - Over the past five years, the top five products were from Honghu Private Equity, Jiukun Investment, Minghuan Investment, Tianyan Capital, and Century Frontier, with a similar threshold for the top 20 products [23][25]

Core Viewpoint - The stock market experienced a broad rally in August, but there was significant divergence among individual stocks, leading to a general decline in excess returns for quantitative strategies. Only 20.83% of the 696 quantitative long products achieved positive excess returns in August [2][3]. Summary by Sections Market Performance - In August, the quantitative long strategies saw a decline in excess returns, particularly after the second week, when technology stocks like Yizhongtian, Hanwujing, and Industrial Fulian became the main drivers of market gains, while other sectors lagged [2][3]. - The average excess return for quantitative long products was -2.28% for the month, with only 145 out of 696 products achieving positive excess returns [3]. Weekly Performance Breakdown - **Week 1**: Average excess return of 0.81%, with 84.20% of products achieving positive excess [3]. - **Week 2**: Average excess return of -1.06%, with only 21.98% of products achieving positive excess [3]. - **Week 3**: Average excess return of -0.61%, with 23.85% of products achieving positive excess [3]. - **Week 4**: Average excess return of -1.99%, with only 12.21% of products achieving positive excess [3]. Notable Products - Despite the overall decline, 20 products managed to achieve positive excess returns for all four weeks in August, including "Mingyue Songjian Zhaozhao 1" managed by Huang Chen and "Nianjue Lianzhen Quantitative Selected Excellent 1" managed by Wang Xiao [3][4]. - The top-performing product in August was "Nianjue Lianzhen Quantitative Selected Excellent 1," which achieved a significant excess return, outperforming other quantitative long products [9]. Performance by Fund Size - **Over 100 Billion**: 51 products achieved positive excess returns, with a total excess return of -1.69% [5][10]. - **50-100 Billion**: 20 products achieved positive excess returns, with a total excess return of -1.35% [10][11]. - **20-50 Billion**: 9 products achieved positive excess returns, with a total excess return of -2.53% [13]. - **10-20 Billion**: 14 products achieved positive excess returns, with a total excess return of -2.57% [16]. - **5-10 Billion**: 19 products achieved positive excess returns, with a total excess return of -2.55% [18]. - **0-5 Billion**: 32 products achieved positive excess returns, with a total excess return of -3.02% [20]. Key Players - Mingyue Songjian Zhaozhao 1 and Nianjue Lianzhen Quantitative Selected Excellent 1 were highlighted for their strong performance in August [4][9]. - Mingyue Investment and Mengxi Investment were noted for their significant number of products achieving positive excess returns [8][9].

Core Viewpoint - The article highlights the increasing integration of AI in quantitative private equity firms in China, showcasing the significant advancements and performance improvements achieved through AI technologies in investment strategies [2][5][9]. Group 1: Company Developments - NianKong Technology has collaborated with Shanghai Jiao Tong University to submit a research paper on large language models, indicating its commitment to AI research [2]. - The company has established Shanghai QuanPin Siwei Artificial Intelligence Technology Co., Ltd. to focus on cutting-edge AI research [2]. - NianKong Technology has fully replaced traditional statistical arbitrage strategies with deep learning-based machine learning algorithms across all its stock strategy products [2]. Group 2: Performance Metrics - NianKong Technology's quantitative products have shown impressive performance, with an average return of ***% over the past year [2]. - Among the 15 billion AI quantitative private equity firms, 13 have reported products with performance data, achieving an average return of 29.91% over the past year [7]. - The average returns for these firms over three years and five years are 41.15% and 117.06%, respectively [7]. Group 3: Industry Trends - The number of billion-dollar quantitative private equity firms in China has reached 39, with 15 actively engaging in AI-related investments [3]. - The trend of integrating AI into quantitative investment strategies has been accelerated since the emergence of DeepSeek, a significant AI model in the industry [4]. - The application of AI technologies is seen as a key factor for survival and competitiveness in the quantitative investment sector [25].