Marsh & McLennan Companies, Inc. (MRSH)

NYSE: MRSH · Real-Time Price · USD

170.82

+0.67 (0.39%)

At close: Apr 28, 2026, 4:00 PM EDT

170.82

0.00 (0.00%)

After-hours: Apr 28, 2026, 6:30 PM EDT

MRSH Market Cap

MRSH has a market cap or net worth of $82.30 billion as of April 28, 2026. Its market cap has decreased by -26.75% in one year.

Market Cap

82.30B

Enterprise Value

102.67B

1-Year Change

-26.75%

Ranking

#196

Market Cap Chart

Since December 1, 1998, MRSH's market cap has increased from $14.70B to $82.30B, an increase of 459.88%. That is a compound annual growth rate of 6.48%.

Market Cap History

Date	Market Cap	% Change
Apr 27, 2026	81.98B	-9.80%
Dec 31, 2025	90.89B	-12.88%
Dec 31, 2024	104.32B	11.66%
Dec 29, 2023	93.42B	13.82%
Dec 30, 2022	82.08B	-6.47%
Dec 31, 2021	87.76B	47.89%
Dec 31, 2020	59.34B	5.54%
Dec 31, 2019	56.23B	39.97%
Dec 31, 2018	40.17B	-3.29%
Dec 29, 2017	41.54B	19.19%
Dec 30, 2016	34.85B	20.48%
Dec 31, 2015	28.93B	-6.58%
Dec 31, 2014	30.96B	16.66%
Dec 31, 2013	26.54B	41.43%
Dec 31, 2012	18.77B	10.31%
Dec 30, 2011	17.01B	14.49%
Dec 31, 2010	14.86B	27.56%
Dec 31, 2009	11.65B	-6.65%
Dec 31, 2008	12.48B	-9.38%
Dec 31, 2007	13.77B	-18.52%
Dec 29, 2006	16.90B	-2.33%
Dec 30, 2005	17.30B	-0.21%
Dec 31, 2004	17.34B	-31.73%
Dec 31, 2003	25.39B	2.32%
Dec 31, 2002	24.82B	-15.94%

View and export this data all the way back to 1998. Sign Up Today.

Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

Related Stocks

Company	Market Cap
Aon plc	69.37B
Arthur J. Gallagher & Co.	55.25B
Willis Towers Watson	27.26B
Brown & Brown	22.45B
Erie Indemnity Company	12.09B
Neptune Insurance Holdings	3.66B
The Baldwin Insurance Group	3.48B
Accelerant Holdings	3.02B

Market Cap Rankings