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RSP Grows $12B as Investors Flee S&P 500 Concentration Risk

8/24/2026

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Summary

Story summary

U.S. investors are shifting to equal-weight ETFs to reduce concentration risk.
Invesco S&P 500 Equal Weight ETF (RSP) added over $12 billion this year, exceeding $100 billion AUM.
RSP outperformed the market-weight S&P 500 by roughly 3% year-to-date through August 21.
Top ten S&P 500 constituents now account for nearly 40% of the index, prompting worries.

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Story summary

U.S. investors are shifting to equal-weight ETFs to reduce concentration risk.
Invesco S&P 500 Equal Weight ETF (RSP) added over $12 billion this year, exceeding $100 billion AUM.
RSP outperformed the market-weight S&P 500 by roughly 3% year-to-date through August 21.
Top ten S&P 500 constituents now account for nearly 40% of the index, prompting worries.