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BRK-B compared with SIGI: revenue, margins and what each company keeps, and the suppliers and customers both name
BRK-B
Berkshire Hathaway Inc
Change
Mkt cap
Revenue
Revenue
SIGI
Selective Insurance Group Inc
Change
Mkt cap
Revenue
Revenue
vs
Compare
BRK-B
Berkshire Hathaway Inc
vs
SIGI
Selective Insurance Group Inc
Price
Mkt cap
Revenue
Revenue
Change
Change
Revenue flow
Supply chain
Price
Co-movers
Event sensitivity
Earnings history
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Revenue flow
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Price
Co-movers
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Earnings history
Price
Supply-chain overlap
Revenue flow
SIGI: latest quarter not drawable.
Method
›
Price
rebased to 0%
1D
1W
1M
3M
YTD
1Y
5Y
1D
1W
1M
3M
YTD
1Y
5Y
BRK-B, solid
SIGI, dashed
BRK-B
Berkshire Hathaway Inc
Change
579.96
· pre 584.90
· delayed
Mkt cap
$1.2T
Revenue
$102B
Q2 FY26
Revenue
$371B
FY25
SIGI
Selective Insurance Group Inc
Change
103.07
· pre 103.07
· delayed
Pre-market
Nov 5 '26
delayed
Mkt cap
$6.1B
Revenue
$1.3B
Q3 FY26
Revenue
$5.3B
FY25
vs
Compare
Pre-market
Nov 5 '26
delayed
BRK-B
Berkshire Hathaway Inc
vs
SIGI
Selective Insurance Group Inc
579.96
pre 584.90
delayed
Price
103.07
pre 103.07
delayed
$1.2T
Mkt cap
$6.1B
Q2 FY26
$102B
Revenue
$1.3B
Q3 FY26
FY25
$371B
Revenue
$5.3B
FY25
Change
Change
BRK-B
579.96
vs
SIGI
103.07
Pre-market
Nov 5 '26
delayed
Supply-chain overlap
direct ties · both sides
Sources
›
direct ties · both sides
Only BRK-B
0
None
Shared
0
No disclosed counterparties: BRK-B.
Only SIGI
12
SPGI
Standard & Poor's Global Ratings
supplier
MCO
Moody's Investors Services
supplier
VRSK
Verisk Analytics' Insurance Services Office
supplier
—
High Point Re
unlisted
supplier
8 more · SIGI chain
›
Role chip = supplier or customer
—
= no ticker (unlisted)
Source: SEC EDGAR