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AON compared with MRSH: revenue, margins and what each company keeps, and the suppliers and customers both name
AON
Aon plc
Change
Mkt cap
Revenue
Revenue
MRSH
Marsh & McLennan Companies, Inc.
Change
Mkt cap
Revenue
Revenue
vs
Compare
AON
Aon plc
vs
MRSH
Marsh & McLennan Companies, 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 · 499d
Method
›
Moved together
AON
with
MRSH
×0.68
co-movement · MRSH on AON · 499d
r 0.75
scale to r 0.75
Shared co-movers
7
with AON
with MRSH
AJG
Arthur J. Gallagher & Co.
r 0.73
r 0.76
BRO
Brown & Brown, Inc.
r 0.70
r 0.77
WTW
Willis Towers Watson PLC
r 0.67
r 0.65
ACGL
Arch Capital Group Ltd.
r 0.56
r 0.57
ADP
Automatic Data Processing Inc
r 0.55
r 0.59
AFL
Aflac Inc
r 0.53
r 0.57
AON, solid
MRSH, hatched
× = co-movement · β
r = correlation
Bar = r to r 0.75
Order: weaker of A and B
Source: daily closes
AON
Aon plc
Change
344.42
▲
+4.32%
· post 341.58
· delayed
Mkt cap
$70.3B
Revenue
$3.9B
Q3 FY26
Revenue
$16.4B
FY25
MRSH
Marsh & McLennan Companies, Inc.
Change
210.45
▲
+3.35%
· post 210.44
· delayed
After hours
Nov 4 '26
delayed
Mkt cap
$96.8B
Revenue
$6.6B
Q3 FY26
Revenue
$26.1B
FY25
vs
Compare
After hours
Nov 4 '26
delayed
AON
Aon plc
vs
MRSH
Marsh & McLennan Companies, Inc.
344.42
▲
+4.32%
post 341.58
delayed
Price
210.45
▲
+3.35%
post 210.44
delayed
$70.3B
Mkt cap
$96.8B
Q3 FY26
$3.9B
Revenue
$6.6B
Q3 FY26
FY25
$16.4B
Revenue
$26.1B
FY25
Change
Change
AON
344.42
▲
+4.32%
vs
MRSH
210.45
▲
+3.35%
After hours
Nov 4 '26
delayed