Marsh & McLennan Cos. (MRSH) Market Cap 1985–2026

As of October 29, 2026, Marsh & McLennan Cos. had a market cap of $93.67 billion, which increased by 2.46% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: Oct 29, 2026, 4:00 PM ET
Marsh & McLennan Cos. logo

Marsh & McLennan Cos., Inc. (MRSH)

🌍 United States 📈 NYSE 🏭 Financial Services 🏢 Insurance
Latest Market Cap
$93.67B ▲ 2.46%
Start of 2026
$90.89B ▲ 3.06%
1 Year Ago
$87.53B ▲ 7.01%
All-Time High
$120.35B ▼ 22.17%


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Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 Marsh & McLennan Cos. Market Cap History by Year and Month

Marsh & McLennan Cos. Market Cap History by Year and Month
Year / MonthMarket Cap% Change
2026$93.67B▲ 3.06%
$93.67B▲ 14.79%
$81.6B▼ 10.04%
$90.71B▲ 0.06%
$90.66B▲ 12.82%
$80.36B▲ 4.27%
$77.07B▼ 4.62%
$80.8B▼ 3.78%
$83.97B▼ 7.12%
$90.41B▼ 1.94%
$92.2B▲ 1.44%
2025$90.89B▼ 12.92%
2024$104.378B▲ 11.73%
2023$93.422B▲ 13.82%
2022$82.08B▼ 6.22%
All market cap values reflect closing prices for the period shown.

📊 Marsh & McLennan Cos. Market Cap and Other Industry Peers

Below are selected companies from the Financial Services sector / subsector:

  1. $138.58B
  2. $133.39B
  3. $93.67B
  4. $81.61B
  5. $68.74B
  6. $68.25B
  7. $65B
  8. $64.3B
  9. $62.05B
  10. $42.73B
  11. $40.35B
  12. $35.44B
  13. $33.93B
  14. $29.83B
  15. $27.92B
  16. $27.15B
  17. $24.18B
  18. $23.17B
  19. $22.18B
  20. $5.26B

Data reflect the most recent market capitalization values available.

Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.