Marsh & Mclennan Companies

MRSHNYSE United States Finance Specialty Insurers

Market cap

$82.424 B

$172.72 -1.31%

Close of 21 Sept 2026

Revenue

$27.0B

#159 by revenue

Earnings

$4.16B

#122 by earnings

Shares outstanding

477,211,268

Latest filing cover page

P/E ratio

19.8

Cap ÷ net income

Specialty Insurers, ranked by market cap

All 34 →

#1Marsh & Mclennan CompaniesMRSH$82.4B
#2AonAON$61.7B
#3Arthur J. Gallagher & Co.AJG$60.6B
#4Willis Towers WatsonWTW$28.5B
#5Brown & BrownBRO$21.5B

What if Marsh & Mclennan Companies were worth as much as…

Open the what-if tool →

Gold $30.3T

$63,439.52

Per share 367× higher

Bitcoin $1.72T

$3,603.86

Per share 20.9× higher

Nvidia $5.48T

$11,483.09

Per share 66.5× higher

Or at a round number

$100.0B $200.0B $500.0B $1.00T

Where these numbers come from

Share counts and financials for Marsh & Mclennan Companies are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 22 Sept 2026. Read the methodology.