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Companies / Financials / Marsh McLennan
MRSH

Marsh McLennan

FinancialsInsuranceS&P 500
Ticker MRSHNEW YORK, NYFiscal year ends DecemberBook value per share $30.45Diluted shares 482.0M

Marsh & McLennan Companies, Inc. (NYSE: MRSH), now branded Marsh, provides risk, insurance, reinsurance, people and investment services, and management consulting to clients in 130 countries. Its Risk and Insurance Services segment accounted for approximately 64% of 2025 revenue and includes Marsh Risk, which advises… From the company’s description.

In fiscal 2025, Marsh McLennan reported revenue of $26.98B, up 10.3% from fiscal 2024, and net income of $4.23B. Its operating margin was 23.1%, and operations generated $5.29B in cash. Over the twelve months to Sep 30, 2026, revenue was $28.46B.

Fiscal year 2025 · ends 12-31Changes are against fiscal 2024The amber dot is the latest twelve months, to 2026-09-30
Sales & profitability
$26.98BFY2025
+10.3% year over year
Last 12 mo $28.46B
23.06%FY2025
−0.7 percentage points
Last 12 mo 21.39%
$4.23BFY2025
+2.8% year over year
Last 12 mo $4.12B
27.55%FY2025
−2.9 percentage points
Last 12 mo 27.54%
Cash & financing
$5.29BFY2025
+23.0% year over year
Last 12 mo $4.47B
$5.00BFY2025
+25.5% year over year
Last 12 mo $4.15B
1.30FY2025
Was 1.50× a year earlier
Last 12 mo 1.40
494.0MFY2025
−0.4% year over year
Last 12 mo 482.0M

Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.

What Marsh McLennan does

In the company’s own words

Marsh & McLennan Companies, Inc. (NYSE: MRSH), now branded Marsh, provides risk, insurance, reinsurance, people and investment services, and management consulting to clients in 130 countries. Its Risk and Insurance Services segment accounted for approximately 64% of 2025 revenue and includes Marsh Risk, which advises businesses, governments, professional organizations and individuals on risk management and insurance, and Guy Carpenter, which brokers reinsurance and provides actuarial, advisory and analytics services. Its Consulting segment generated approximately 36% of 2025 revenue and comprises Mercer, which advises employers and other organizations on health, wealth and career matters, and Marsh Management Consulting, whose businesses include Oliver Wyman, Lippincott and NERA Economic Consulting. Marsh Risk also serves individuals and middle-market organizations through Marsh McLennan Agency and offers specialty insurance programs through Victor. The company reported approximately $27 billion in revenue and employed more than 95,000 colleagues in 2025. Mercer managed approximately $692 billion in assets worldwide as of December 31, 2025. Its website is www.corporate.marsh.com.

Company details
Sector
Financials
Industry (SIC)
Insurance
Headquarters
NEW YORK, NY
Fiscal year end
December
CIK
62709
SIC
6411

Financial performance, year by year

Fiscal 2013–2025 · USD
$-2.85B$5.69B$14.23B$22.77B$31.30B2013201420152016201720182019202020212022202320242025Last 12 moLast 12 monthsLast 12 months

The full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.

Ownership

Who owns Marsh McLennan — and what changed

Funds as of 2026Q2 · superinvestors as of 2026-06-30

930
funds hold it
2 of 35
superinvestors hold it
$34.15B
held by funds, at market
43.3%
of shares held by funds
27
bond issues held by funds

Superinvestors in Marsh McLennan · what they did last quarter

Bill NygrenINCREASED +68.1%
Harris Associates (Oakmark)
1.9%of 13F portfolio
Tom GaynerUNCHANGED
Markel Group (Markel-Gayner)
1.0%of 13F portfolio

Share of each manager’s reported 13F portfolio. Change is in shares held, since the previous quarter.

Largest fund holders · Marsh McLennan’s weight in each

—of fund net assets
VANGUARD TOTAL STOCK MARKET INDEX FUND
VTI · VANGUARD INDEX FUNDS
0.11%of fund net assets
VANGUARD 500 INDEX FUND
VOO · VANGUARD INDEX FUNDS
0.12%of fund net assets
iShares Core S&P 500 ETF
IVV · iShares Trust
0.12%of fund net assets
Fidelity 500 Index Fund
FXAIX · Fidelity Concord Street Trust
0.12%of fund net assets

Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.

Marsh McLennan’s bonds, as funds hold them

Funds report holding 27 issues of Marsh McLennan’s debt, $3.06B at market value — what funds hold, not the company’s total debt. Weighted-average coupon 4.83%, maturing 2026 to 2055.

Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.

Fund ownership is a subset of institutional 13F ownership — the two describe overlapping populations and must not be added together.

Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.

Connected research

Put this business in context.

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