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The Magnificent Seven Stocks: Market Cap, S&P 500 Weight, and Returns

The Magnificent Seven made up 33% of the S&P 500's value in July 2026.

By Lyle DalyUpdated Jul 7, 2026 at 2:49 PM EST | Fact-checked by Parker Hicks

Key Points

  • Magnificent Seven stocks encompass 32.5% of the S&P 500 as of July 2026.
  • Nvidia has become the largest of the Magnificent Seven, now 21% of their total market cap.
  • In 2026, the group collectively underperformed the S&P 500, growing only 2.6%.

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