在科技股大放异彩的2025年，不少基金凭借着高仓位得以积累可观的净值。 但基金经理对后市观点的分歧体现在对股票仓位增减不一的操作中，根据去年四季报数据统计，有超过一半的 主动权益产品四季度内降低了股票仓位。 灵活配置型基金凭借更小的仓位约束，成为基金经理操作的"利器"。部分基金经理在四季度大幅增持股票资 产，踏准行情取得了两位数的收益；也有基金经理选择落袋为安，并将投资方向聚焦至优质白马股或部分低估 值个股，基金净值走势也较为平缓。 超过一半的基金降低股票仓位 据去年四季报数据统计，纳入统计的4525只主动权益基金中（仅统计A类份额），有超过一半的基金（2597 只）四季度内降低了股票仓位，基金经理的谨慎观点也在四季报以及近期发声中有所体现，而在已经集体上涨 的权益市场中，因避险情绪影响，白马股和低估值板块更受青睐。 华东某公募基金经理认为，当前市场成长和主题方向越来越昂贵以至脱离基本面的真实价值，相当多股票处于 历史上最贵的估值分位，各行各业的龙头白马大部分处于历史估值中枢的下限附近，整体宏观经济在产能周期 的作用下也已逐渐出现拐点，主题与小微盘的极度高估与龙头白马的便宜与低估形成了鲜明的对比。 由于行业发 ...

Core Viewpoint - The article highlights the strong performance of micro-cap stocks, particularly in the context of the Shanghai Composite Index's fluctuations around the 4000-point mark, indicating a growing market interest in this segment [2]. Group 1: Performance Comparison - Since 2010, the micro-cap stock index has outperformed major indices like the Shanghai 50, CSI 300, CSI 500, CSI 1000, and National 2000 in most years, except for 2017 and 2020 [2]. - The absolute performance data shows that in 2015, the micro-cap index surged by 229%, while the CSI 300 only increased by 6% [3]. - In 2023, the micro-cap index recorded a 50% increase, significantly outperforming other indices [3]. Group 2: Excess Returns Analysis - The excess returns of the micro-cap index are attributed to PB (Price-to-Book) recovery and the switching between high and low valuations [8]. - The report indicates that the contribution of trading frequency to excess returns is limited, while the profitability of micro-cap stocks does not significantly influence their overall returns [8]. - The strategy behind micro-cap stocks is characterized by a "reverse selection" feature, where stocks that have risen significantly are removed from the index, allowing for a systematic "buy low, sell high" approach [6]. Group 3: Trading Strategy Insights - The micro-cap index employs a mechanism that automatically executes a rebalancing strategy, enhancing its ability to capture structural reversal opportunities during market volatility [6]. - The trading environment for micro-cap stocks is influenced by both short-term trading and momentum strategies, which can amplify volatility during periods of liquidity tightening or systemic risk [8].