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Observatory · observe first

Berkshire Hathaway

BRK.B · United States · Multi-Sector Holdings · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.001%
12M weight contribution
-0.000 pp
3M weight contribution
-0.000 pp
12M price return
-9.6%

Share of matched S&P 500 members

Monthly observations through Apr 2018

0.00.00.02018

Company price index

A separate dimension from market allocation

91951002018

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Apr 2018$0.2bn0.001%-0.000 pp-9.6%No
Mar 2018$0.2bn0.001%+0.000 pp-7.0%No
Feb 2018$0.2bn0.001%+0.000 pp-3.3%Yes
Jan 2018$0.2bn0.001%+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.