The artificial intelligence trade may still be one of Wall Street’s biggest investment themes, but August ETF flows suggest investors are becoming more selective about where they put their money.

U.S.-listed ETFs attracted $182.6 billion in net inflows in August, taking total assets under management to $16.4 trillion. Equity ETFs accounted for the largest share of those flows at $98.9 billion, or 54.2% of the monthly total.

Yet the headline equity inflow figure masks a notable shift beneath the surface. U.S. information technology and semiconductor ETFs were among the sectors experiencing the largest outflows in August, according to FactSet data. Energy and financials also experienced significant redemptions.

That stands in contrast to flows into areas such as global robotics and AI and global information technology, suggesting investors may not be abandoning the AI theme altogether. Instead, they could be looking beyond the most concentrated parts of the U.S. technology trade.

AI exposure is getting more selective

The divergence is particularly interesting for investors using ETFs such as the Technology Select Sector SPDR Fund (NYSE:XLK) and semiconductor-focused funds such as the iShares Semiconductor ETF (NASDAQ:SOXX) or VanEck Semiconductor ETF (NASDAQ:SMH).

These ETFs offer concentrated exposure to the companies that have benefited most directly from the AI investment boom, including chipmakers and large technology companies.

August’s flow pattern suggests that some investors may be reassessing that concentration after the sector’s powerful run. Rather than exiting technology completely, investors appear to be exploring broader or international exposure, including global AI and technology strategies.

The rotation also extended beyond technology. Consumer discretionary, materials, industrials and utilities attracted inflows, while most S&P sectors experienced outflows. That points to a more cautious approach to equities rather than a wholesale retreat from risk assets.

Fixed income adds to the defensive signal

The defensive shift becomes clearer when looking outside equities. Fixed-income ETFs attracted $61.2 billion in August, representing 33.5% of total ETF inflows.

Treasury ETFs dominated the category, accounting for 42% of fixed-income flows, with ultra-short-term products attracting much of the money while intermediate-term products recorded outflows.

The combination of strong Treasury demand and redemptions from U.S. technology and semiconductor ETFs paints an intriguing picture. Investors are still putting substantial money to work, but August’s flows suggest they are becoming more cautious about crowded AI and tech exposures while seeking diversification, income and relatively defensive positioning.

That could be an important signal for the ETF market if the rotation continues into the fall.

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