公募指增及量化基金经理精选系列十一：多元策略差异运作，厚积薄发行稳致远

Core Insights - The overall operating environment for quantitative strategy funds has been favorable since 2026, with most major broad-based index enhancement categories achieving positive excess returns, except for the CSI 500 index due to its relative strength [3][12] - From a performance perspective, the National Securities 2000, CSI 1000, and CSI 300 index enhancement funds have shown relatively leading excess returns [3][12] - The report focuses on five fund managers with distinctive investment frameworks, including Lou Huafeng from Industrial Bank Fund, Liu Shikai from PICC Asset Management, Wang Zhe from Guolian Fund, Yin Ming from E Fund, and Yuan Yingjie from Huaxia Fund, analyzing their quantitative systems, risk control mechanisms, research teams, and product performance [3][15] Group 1: Fund Manager Insights - Lou Huafeng (Industrial Bank Fund) emphasizes long-term investment patterns, utilizing a model trained on long-term data, resulting in a portfolio with value attributes. His alpha stock selection model consists of multiple linear and nonlinear sub-models, achieving steady excess returns under reasonable risk exposure [4][17] - Liu Shikai (PICC Asset Management) employs a multi-strategy framework with four distinct style models, optimizing the long-term risk-return ratio of the investment portfolio. His representative product has achieved relatively stable excess returns since inception [5][35] - Wang Zhe (Guolian Fund) provides tool-based allocation choices through index enhancement products and offers more flexible strategies via active quantitative products. His representative product has achieved stable excess returns compared to the CSI 300 total return index since inception [5][52] Group 2: Performance Metrics - As of February 13, 2026, the average excess returns for various index enhancement products show that the CSI 1000 index enhancement has an average excess return of 10.73%, while the National Securities 2000 index enhancement has 13.05% [13] - The representative products managed by Lou Huafeng and Liu Shikai have shown annualized excess returns of 6.56% and 6.11%, respectively, indicating strong performance relative to their benchmarks [19][36] - Wang Zhe's representative product has maintained an annualized excess return of 4.93% with a maximum excess drawdown kept below 3%, demonstrating effective risk management [53]