THG compared with BRK-B: revenue, margins and what each company keeps, and the suppliers and customers both name

THGHanover Insurance Group, Inc.

Mkt capRevenueRevenue

BRK-BBerkshire Hathaway Inc

Mkt capRevenueRevenue

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THGHanover Insurance Group, Inc.

BRK-BBerkshire Hathaway Inc

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

Desk News Calendar Saved

Supply-chain overlap

direct ties · both sidesSources ›

direct ties · both sides

Only THG 13

—Chubbunlistedsupplier

—Commonwealth Reunlistedsupplier

—Liberty Mutualunlistedsupplier

—Michigan Catastrophic Claims Association ("MCCA")unlistedsupplier

9 more · THG chain ›

Shared 0

No disclosed counterparties: BRK-B.

Only BRK-B 0

None

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

THGHanover Insurance Group, Inc.

249.24· pre 249.20· delayed

Mkt cap$8.4BRevenue$1.7BQ2 FY26Revenue$6.5BFY25

BRK-BBerkshire Hathaway Inc

554.94· pre 555.56· delayed

Pre-marketNov 3 '26delayed

Mkt cap$1.2TRevenue$102BQ2 FY26Revenue$371BFY25

Compare

Pre-marketNov 3 '26delayed

THGHanover Insurance Group, Inc.

BRK-BBerkshire Hathaway Inc

249.24pre 249.20delayed

Price

554.94pre 555.56delayed

$8.4B

Mkt cap

$1.2T

Q2 FY26$1.7B

Revenue

$102BQ2 FY26

FY25$6.5B

Revenue

$371BFY25

THG249.24vsBRK-B554.94Pre-marketNov 3 '26delayed