
MMC Market Capitalization Overview
Market Cap: $89.57B as of Oct 28, 2025
$89.57B
Past Month-$8.55B (8.71%)
As of Oct 28, 2025, MMC has a market capitalization of $89.57B. Over the past 30 days, its market cap has decreased by -2.02%, while in the last 12 months, it has decreased by -14.14%.
Market capitalization represents the total value of Marsh & McLennan as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.
MMC Market Cap Formula = Stock Price * Shares Outstanding
The market cap of MMC helps investors assess the company's size and compare it with competitors for better investment decisions.
Market capitalization represents the total value of Marsh & McLennan as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.
MMC Market Cap Formula = Stock Price * Shares Outstanding
The market cap of MMC helps investors assess the company's size and compare it with competitors for better investment decisions.
MMC Market Cap & Key Trends
See Marsh & McLennan’s latest market capitalization, historical trends, and financial insights with AI-powered fundamental data and custom analysis.
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MMC Market Cap History
| Date | Market Cap | Change | 
|---|---|---|
| Oct 1, 2025 | $98.96B | -2.02% | 
| Sep 2, 2025 | $100.99B | +3.87% | 
| Aug 1, 2025 | $97.24B | -9.41% | 
| Jul 1, 2025 | $107.34B | -7.21% | 
| Jun 2, 2025 | $115.68B | +4.80% | 
| May 1, 2025 | $110.38B | -7.90% | 
| Apr 1, 2025 | $119.84B | +1.89% | 
| Mar 3, 2025 | $117.62B | +9.21% | 
| Feb 3, 2025 | $107.70B | +3.76% | 
| Jan 2, 2025 | $103.80B | -9.31% | 
MMC End of Year Market Cap History
| Date | Market Cap | Change | 
|---|---|---|
| 2025 | $89.57B | -14.14% | 
| 2024 | $104.32B | +11.66% | 
| 2023 | $93.43B | +13.82% | 
| 2022 | $82.08B | -6.47% | 
| 2021 | $87.77B | +47.89% | 
| 2020 | $59.35B | — | 
FAQs About Marsh & McLennan (MMC) Market Cap
As of Oct 28, 2025, the market capitalization of MMC is $89.57B. Market cap represents the total value of a company’s outstanding shares and is a key indicator of its size in the stock market.
In the last 30 days, Marsh & McLennan’s market capitalization has decreased by -8.71%, changing from $98.11B to $89.57B as of Oct 28, 2025.
In the last 3 months, Marsh & McLennan’s market capitalization has increased by —, changing from – to – as of –.
In the year 2024, Marsh & McLennan’s market capitalization increased from $93.43B in January to $104.32B in December, reflecting a 11.66% change.
In the past five years, MMC has had a compound annual growth rate (CAGR) of 11.94% in market capitalization. This means its market cap has grown at an average rate of 11.94% per year.