TotalMarketCap

Marsh & Mclennan Companies

MRSHNYSE United StatesFinanceSpecialty Insurers

Market cap

$99.682 B

$209.63 -0.36%

Close of 6 Nov 2026

As of 6 Nov 2026, Marsh & Mclennan Companies (MRSH) has a market capitalization of $99.7B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$27.0B

#157 by revenue

Earnings

$4.16B

#121 by earnings

Shares outstanding

475,514,327

Latest filing cover page

P/E ratio

24.0

Cap ÷ net income

Specialty Insurers, ranked by market cap

All 34 →
  1. #1Marsh & Mclennan CompaniesMRSH$99.7B
  2. #2Arthur J. Gallagher & Co.AJG$74.1B
  3. #3AonAON$73.2B
  4. #4Willis Towers WatsonWTW$31.1B
  5. #5Brown & BrownBRO$24.7B

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

Open the what-if tool →

Gold $28.2T

$59,381.75

Per share 283× higher

Bitcoin $1.53T

$3,213.04

Per share 15.3× higher

Apple $5.02T

$10,548.12

Per share 50.3× higher

Or at a round number

$200.0B$500.0B$1.00T$2.00T

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. Read the methodology.