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

WTMWhite Mountains Insurance Group Ltd

Mkt capRevenueRevenue

AGOAssured Guaranty Ltd

Mkt capRevenueRevenue

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WTMWhite Mountains Insurance Group Ltd

AGOAssured Guaranty Ltd

Price

Mkt cap

Revenue

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

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Supply-chain overlap

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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Supply-chain overlap

direct ties · both sidesSources ›

direct ties · both sides

Only WTM 15

AONAonsupplier

AJGArthur J. Gallaghersupplier

WTWWillis Towers Watsonsupplier

—Howden Insuranceunlistedsupplier

11 more · WTM chain ›

Shared 0

No shared counterparties.

Only AGO 31

GSGoldman Sachs Asset Managementsupplier

SPGIS&Psupplier

MCOMoody'ssupplier

—MacKay Shieldsunlisted

Role chip = supplier or customer—= no ticker (unlisted)Source: SEC EDGAR

supplier

27 more · AGO chain ›

WTMWhite Mountains Insurance Group Ltd

2,246.65▼−2.07%· post 2,247.28

Mkt cap$5.3BRevenue$646MQ3 FY26Revenue$3.7BFY25

AGOAssured Guaranty Ltd

73.61▲+2.58%· post 73.61

ClosedNov 6 '26

Mkt cap$3.2BRevenue$215MQ3 FY26Revenue$994MFY25

Compare

ClosedNov 6 '26

WTMWhite Mountains Insurance Group Ltd

AGOAssured Guaranty Ltd

2,246.65▼−2.07%post 2,247.28

Price

73.61▲+2.58%post 73.61

$5.3B

Mkt cap

$3.2B

Q3 FY26$646M

Revenue

$215MQ3 FY26

FY25$3.7B

Revenue

$994MFY25

WTM2,246.65▼−2.07%vsAGO73.61▲+2.58%ClosedNov 6 '26