Market Overview - In July, A-shares experienced a strong upward trend, with the Shanghai Composite Index rising by 3.74%, the Shenzhen Component Index by 5.20%, and the ChiNext Index by 8.14% [1] - The total market turnover remained above 1.5 trillion, indicating active trading, while the financing balance climbed to 1.9 trillion by late July, reflecting a positive market sentiment [1] Private Equity Performance - A total of 379 private equity products reached historical highs in July, representing 71.64% of the total number of billion-yuan private equity products with performance data available for nearly one year [1] - Among these, 289 were quantitative products and 90 were non-quantitative, with stock strategy products being the most prevalent, accounting for approximately 83.38% [1] Top Performing Private Equity Firms - 28 billion-yuan private equity firms had all their products reach historical highs in July, with 18 firms having more than three products achieving this milestone [2] - Notable firms include Junzhijian Investment, Rido Investment, and Tianyan Capital, with a significant number of their products achieving new highs [2] Performance Rankings - The average returns for private equity firms from January to July were led by Wobo Investment, Abama Investment, Tianyan Capital, Rido Investment, and Ningbo Huanfang Quantitative [3] - Over the past three years, the top five firms based on average returns were Junzhijian Investment, Rido Investment, Abama Investment, Tianyan Capital, and Maoyuan Quantitative [3] Notable Products - The top products achieving historical highs in the past year included those from Heiyi Asset, Longqi Technology, and Rido Investment, with the threshold for the top 20 products exceeding a certain percentage [7] - The leading product was "Heiyi Wind 2 B Class" from Heiyi Asset, with a recent scale of approximately *** million and nearly ***% return over the past year [9] Long-term Performance - Over the past five years, the top products were from Rido Investment, Fusheng Asset, and Jiukun Investment, with Rido Investment holding three of the top five positions [14] - The champion product was "Rido Qian Niu Value No. 1" from Rido Investment, with a recent scale of approximately *** billion and over ***% return in the past five years [16] Investment Insights - Rido Investment's chairman expressed optimism about the A-share market, suggesting it is in a historical opportunity for value reassessment, particularly favoring the entertainment and financial sectors [17]

Core Insights - The article highlights the performance and strategies of Abama Investment, a private equity fund manager specializing in quantitative investment using artificial intelligence and advanced data analysis techniques [2][3][6]. Company Overview - Abama Investment was established on February 13, 2014, with a registered capital of 27.5 million RMB. The company focuses on quantitative investment strategies, utilizing high-quality data and AI technologies to uncover market patterns [2][3]. - As of June 30, 2025, Abama Investment's products achieved an average return of ***%, ranking third among private equity funds with over 10 billion RMB in assets [2][3]. Performance Metrics - The product "Abama Ruixue Fengnian Quantitative Selection" ranked third in the semi-annual performance of the CSI 500 index-enhanced products, achieving a return of ***% [2][3]. - The fund "Abama Chengfeng Polang A Class" ranked in the top 10 for quantitative long strategy products among private equity funds, with a return of ***% [2][3]. Development History - Abama Investment has undergone several phases of strategy evolution, starting from basic factor models (2014-2017) to advanced machine learning techniques (2019-2022) and currently focusing on high-frequency systems (2022-present) [8][9]. Strategic Advantages - The company benefits from significant capital strength and resources as a large private equity firm, allowing for extensive investment in quantitative strategies during a favorable market environment [12][13]. - The core team has over ten years of experience in quantitative investment, having navigated multiple market cycles, which enhances their market insight and ability to capture excess returns [14]. - Abama Investment employs a comprehensive factor matrix that integrates traditional and innovative factors, focusing on dynamic predictions and robust factor validation [15][18]. Product Lines - The company offers a variety of quantitative products, including: - "Abama Chengfeng Polang" focusing on quantitative stock selection [21]. - "Abama Sijihongli Quantitative Hedge" which aims to achieve pure excess returns through hedging strategies [21]. - "Abama Ruixue Fengnian Quantitative Selection" and "Abama Galileo CSI 1000 Index Enhancement" both targeting index-enhanced returns [25][26]. Recognition and Contributions - Abama Investment has received several awards, including the "Best Stock Hedge Strategy Fund" in 2015 and recognition for its contributions to social responsibility initiatives [27][28].

Core Viewpoint - The A-share market experienced significant volatility in the first half of 2025, leading investors to prioritize the balance of returns and risks when selecting stock strategy products. The Sharpe ratio emerged as a crucial metric for evaluating risk-return profiles of these products [2]. Summary by Relevant Sections Overall Performance - In the first half of 2025, there were 2,891 stock strategy products with a displayed Sharpe ratio, achieving an average return of 12.4% and an average Sharpe ratio of 1.57. The products managed by private equity firms with a scale of 10-20 billion showed the highest average return at 16.39% [2][3]. Performance by Company Size - **100 Billion and Above**: - 420 products with a total scale of 632.37 billion, average return of 11.40%, and a Sharpe ratio of 2.03 [3]. - **50-100 Billion**: - 196 products with a total scale of 244.84 billion, average return of 12.12%, and a Sharpe ratio of 1.97 [3]. - **20-50 Billion**: - 258 products with a total scale of 267.26 billion, average return of 11.78%, and a Sharpe ratio of 1.85 [3]. - **10-20 Billion**: - 309 products with a total scale of 267.01 billion, average return of 16.39%, and a Sharpe ratio of 1.57 [3]. - **5-10 Billion**: - 422 products with a total scale of 250.14 billion, average return of 11.60%, and a Sharpe ratio of 1.50 [3]. - **0-5 Billion**: - 1,286 products with a total scale of 434.97 billion, average return of 12.19%, and a Sharpe ratio of 1.32 [3]. Top Products by Performance - The article highlights the top-performing stock strategy products across different company sizes, focusing on those with returns above the average and high Sharpe ratios. Notable products include: - **100 Billion and Above**: Quantitative long products dominated the top 10, with notable managers from Stable Investment and Wide De Private Equity [4][6]. - **50-100 Billion**: The top products were primarily subjective long and quantitative long strategies, with significant contributions from Qianyan Private Equity [8][10]. - **20-50 Billion**: Quantitative long products were most prevalent, with top managers from Jiuming Investment and Zhao Rong Hui Li Private Equity [13][15]. - **10-20 Billion**: A mix of subjective long products, with top managers from Xiangmu Asset and Haokun Shengfa Asset [18][21]. - **5-10 Billion**: Quantitative long products led the rankings, with top managers from Yangshi Asset and Zeyuan Investment [22][25]. - **0-5 Billion**: Quantitative long products were also prominent, with two products from Guangzhou Tianzhanhan making the top five [26][27].

本文首发于公众号"私募排排网"。 （点击↑↑ 上图查看详情 ） 近三年(2022-2024年)在诸多因素影响下，A股市场波动明显放大，上证指数一度从3600点，跌至 最低2600点，也经历了"924"行情，仅六个交易日又从2600点一度站上3600点。在这种高波动行 情下，哪些量化产品既抗跌又跟涨，穿越了三年的动荡期？ 私募排排网数据显示，连续三年(2022-2024年，下同)有业绩显示的650只量化产品中，256只连 续三年实现正超额，占比约为39.38%。分规模来看，连续三年有业绩显示的 百亿私募旗下量化 产品共 179只，其中连续三年实现正超额的量化产品数高达114只，占比高达63.69%，在各大规 模私募中，表现大幅领先！ 众所周知，作为国内头部的百亿私募，在人才招揽、风险管控、前沿的策略研究、大数据技术等 方面具备先天优势，旗下量化产品攻防兼备的特点更加突出。 为了给予更有价值的信息，本文将按不同规模私募，分别梳理出2022-2024连续三年实现正超额 收益的量化产品榜，供投资者参考。 0 1 百亿私募：连续三年正超额占比超六成！阿巴马投资旗下产品领衔！ 私募排排网数据显示，百亿私募旗下连续三年有业 ...