从“国家队”重仓ETF的规模变化，看稳市资金的入场与离场

Core Insights - Recent significant increases in trading volumes and decreases in on-market shares of major broad-based index ETFs have raised market concerns about the potential exit of Central Huijin Investment from these funds [3][21] - Central Huijin's holdings in the four major CSI 300 ETFs exceeded 80% by the end of 2025, indicating a dominant position in these funds [3][21] ETF Holdings and Changes - The total shares of the four major CSI 300 ETFs have shown substantial growth, primarily driven by the increase in shares held by Central Huijin, while shares held by other investors have decreased [4][22] - For example, in the Huatai-PineBridge CSI 300 ETF, Central Huijin's holdings increased from 62.47 million shares at the end of 2023 to 735.13 million shares by the end of 2025, while other holders' shares dropped from 311.97 million to 153.17 million [5][23] - Similar trends were observed in the other three major ETFs, with Central Huijin's shareholding increasing significantly while other investors' shares decreased [5][23] Trading Volume and Market Impact - Between January 14 and February 2, 2026, the trading volume of the four major CSI 300 ETFs surged, accompanied by a significant reduction in circulating shares, suggesting a potential reduction in Central Huijin's holdings during this period [6][24] - The net outflow of funds from these ETFs during this period has offset previous inflows, indicating a strategic exit by Central Huijin [10][28] Financial Estimates and Performance - Estimates suggest that Central Huijin's total investment cost was approximately 651.6 billion yuan, with an estimated exit amount of 602.1 billion yuan, resulting in a profit margin of about 78.77% [12][29] - The financial performance of Central Huijin indicates a successful exit strategy, maintaining a significant portion of its ETF holdings for future market stabilization [11][28] Market Comparisons and Historical Context - The exit strategy of Central Huijin aligns with international practices observed in markets like Hong Kong and South Korea, where stabilization funds have successfully exited during normalized market conditions [16]