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Observatory · observe first

Marsh McLennan

MRSH · United States · Insurance Brokers · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.257%
12M weight contribution
+0.014 pp
3M weight contribution
+0.014 pp
12M price return
-1.1%

Share of matched S&P 500 members

Monthly observations through Mar 2018

0.20.30.32018

Company price index

A separate dimension from market allocation

99991002018

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Mar 2018$41.9bn0.257%+0.014 pp-1.1%Yes
Feb 2018$42.1bn0.253%+0.009 pp-0.6%Yes
Jan 2018$42.6bn0.243%+0.000 pp+0.0%No

Its weight is estimated market cap divided by the total estimated market cap of matched S&P 500 members for the month. This is not an official float-adjusted S&P index weight.