
Equal-weight S&P 500 tops $100B as diversification gains momentum
RSP, the oldest equal-weight S&P 500 ETF, topped $100B in assets in 2026 as equal-weight outperformed the cap-weight S&P 500 year-to-date through Aug. 21, signaling a shift away from mega-cap leadership toward broader market participation; investors value reduced concentration risk and a growing lineup of equal-weight options across indices and sectors.
