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Top-10 share of S&P 500 market cap and trailing earnings
March 31, 2024 compared with March 31, 2026.
Published September 21, 2026Data through March 31, 2026Percent of S&P 500Source study v1.0
Figure provenance
- Research data date
- March 31, 2026
- Primary evidence
- J.P. Morgan Asset Management Guide to the Markets; FactSet and Standard & Poor's cited by the source
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Lee Bailey. “Top-10 share of S&P 500 market cap and trailing earnings.” Figure from S&P 500 Earnings Concentration: Are the Top 10 Backed by Profits?. Grizzly Bulls, September 21, 2026. Data snapshot March 31, 2026. https://grizzlybulls.com/research/figures/sp500-top10-earnings-vs-market-cap-2024-2026
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<img src="https://grizzlybulls.com/research/figures/sp500-top10-earnings-vs-market-cap-2024-2026.svg" alt="Line chart comparing S&P 500 top-10 market-cap share and trailing-earnings share in March 2024 and March 2026." loading="lazy" />
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<figcaption>Source: <a href="https://grizzlybulls.com/research/sp500-earnings-concentration" rel="nofollow">Grizzly Bulls Research</a></figcaption>
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