MRSH compared with ERIE: revenue, margins and what each company keeps, and the suppliers and customers both name

MRSHMarsh & McLennan Companies, Inc.

Mkt capRevenueRevenue

ERIEErie Indemnity Co

Mkt capRevenueRevenue

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MRSHMarsh & McLennan Companies, Inc.

ERIEErie Indemnity Co

Price

Mkt cap

Revenue

Revenue flow Supply chain Price Co-movers Event sensitivity Earnings history

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Co-movers

News Findings Companies A–Z Pricing Methodology Sources Corrections About Terms

Not investment advice. Not a broker-dealer. Indices shown as ETF proxies. Supply-chain data CC BY 4.0; market data not redistributable.

Listed on One’s Vibe · live-checked · Oct ’26

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Co-movers

daily closes · 501dMethod ›

Moved together

MRSHwithERIE

×0.81co-movement · ERIE on MRSH · 501d

r 0.54scale to r 0.75

Shared co-movers5with MRSHwith ERIE

AJGArthur J. Gallagher & Co.r 0.76r 0.56

BROBrown & Brown, Inc.r 0.77r 0.56

ACGLArch Capital Group Ltd.r 0.57r 0.54

HIGHartford Insurance Group, Inc.r 0.59r 0.52

AONAon plcr 0.75r 0.51

MRSH, solidERIE, hatched× = co-movement · βr = correlationBar = r to r 0.75Order: weaker of A and BSource: daily closes

MRSHMarsh & McLennan Companies, Inc.

209.39· pre 205.70· delayed

Mkt cap$100.0BRevenue$6.6BQ3 FY26Revenue$26.1BFY25

ERIEErie Indemnity Co

279.81· pre 280.13· delayed

Pre-marketNov 6 '26delayed

Mkt cap$14.9BRevenue$1.1BQ2 FY26Revenue$4.1BFY25

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Pre-marketNov 6 '26delayed

MRSHMarsh & McLennan Companies, Inc.

ERIEErie Indemnity Co

209.39pre 205.70delayed

Price

279.81pre 280.13delayed

$100.0B

Mkt cap

$14.9B

Q3 FY26$6.6B

Revenue

$1.1BQ2 FY26

FY25$26.1B

Revenue

$4.1BFY25

MRSH209.39vsERIE279.81Pre-marketNov 6 '26delayed