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The Largest Healthcare Companies by Market Cap in October 2025

Eli Lilly, Johnson & Johnson, and AbbVie command the healthcare sector.

By Lyle DalyUpdated Oct 9, 2025 at 2:37 PM | Fact-checked by Frank Bass

Key Points

  • Eli Lilly is the most valuable healthcare firm, followed by Johnson & Johnson and AbbVie.
  • Top healthcare stocks are mostly pharmaceuticals, forming over half of the sector's biggest players.
  • Healthcare giants like Eli Lilly have shown robust growth, although only two of the top 10 healthcare companies have outperformed the S&P 500.

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