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WRB compared with BRK-B: revenue, margins and what each company keeps, and the suppliers and customers both name
WRB
W. R. Berkley Corp
Change
Mkt cap
Revenue
Revenue
BRK-B
Berkshire Hathaway Inc
Change
Mkt cap
Revenue
Revenue
vs
Compare
WRB
W. R. Berkley Corp
vs
BRK-B
Berkshire Hathaway Inc
Price
Mkt cap
Revenue
Revenue
Change
Change
Revenue flow
Supply chain
Price
Co-movers
Event sensitivity
Earnings history
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Co-movers
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Co-movers
daily closes · 501d
Method
›
Moved together
WRB
with
BRK-B
×0.36
co-movement · BRK-B on WRB · 501d
r 0.47
scale to r 0.75
Shared co-movers
6
with WRB
with BRK-B
L
Loews Corp
r 0.69
r 0.64
AFL
Aflac Inc
r 0.60
r 0.61
HIG
Hartford Insurance Group, Inc.
r 0.72
r 0.60
CINF
Cincinnati Financial Corp
r 0.65
r 0.58
ACGL
Arch Capital Group Ltd.
r 0.65
r 0.57
TRV
Travelers Companies, Inc.
r 0.70
r 0.57
WRB, solid
BRK-B, hatched
× = co-movement · β
r = correlation
Bar = r to r 0.75
Order: weaker of A and B
Source: daily closes
WRB
W. R. Berkley Corp
Change
76.97
▲
+0.34%
· post 76.97
Mkt cap
$28.6B
Revenue
$3.7B
Q3 FY26
Revenue
$14.7B
FY25
BRK-B
Berkshire Hathaway Inc
Change
572.30
▼
−1.17%
· post 569.05
Closed
Nov 5 '26
Mkt cap
$1.2T
Revenue
$102B
Q2 FY26
Revenue
$371B
FY25
vs
Compare
Closed
Nov 5 '26
WRB
W. R. Berkley Corp
vs
BRK-B
Berkshire Hathaway Inc
76.97
▲
+0.34%
post 76.97
Price
572.30
▼
−1.17%
post 569.05
$28.6B
Mkt cap
$1.2T
Q3 FY26
$3.7B
Revenue
$102B
Q2 FY26
FY25
$14.7B
Revenue
$371B
FY25
Change
Change
WRB
76.97
▲
+0.34%
vs
BRK-B
572.30
▼
−1.17%
Closed
Nov 5 '26