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The Largest Financial Companies by Market Cap in August 2026

Berkshire Hathaway, JPMorgan Chase, and Visa are the largest financial companies by market cap

By Lyle DalyUpdated May 3, 2026 at 7:38 PM EST | Fact-checked by Frank Bass

Key Points

  • Berkshire Hathaway leads the financial sector with a market cap of $1.1 trillion.
  • Big US and Chinese banks dominate the largest financial companies by market cap.
  • Diversification in services crucial as financial firms expand into AI and global markets.

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