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The Largest Technology Companies by Market Cap in June 2026

Nvidia, Apple, and Microsoft command the technology sector.

By Lyle DalyUpdated Jun 7, 2026 at 11:45 PM EST | Fact-checked by Frank Bass

Key Points

  • Nvidia leads the tech sector with a $5.4 trillion market cap, driven by its AI-focused GPUs.
  • Apple and Microsoft follow, with market caps of $4.63 trillion and $3.28 trillion respectively.
  • AI investments are pivotal in reshaping market cap rankings and driving high returns for top tech firms.

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