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

The Magnificent Seven made up 34% of the S&P 500's value in June 2026.

By Lyle DalyUpdated Jun 8, 2026 at 11:04 AM EST | Fact-checked by Frank Bass

Key Points

  • Magnificent Seven stocks held 33.8% of S&P 500 in early June 2026, influencing index dynamics.
  • Nvidia emerged as top Magnificent Seven stock with 22% of group's market cap.
  • Through the first half of 2026, these stocks underperformed S&P 500, growing 5.4% versus index's 7.9%.

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