Observatory · observe first

W. R. Berkley Corporation

WRB · United States · Property & Casualty Insurance · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.022%
12M weight contribution
+0.022 pp
3M weight contribution
+0.022 pp
12M price return
-3.7%

Share of matched S&P 500 members

Monthly observations through Nov 2020

0.00.00.02020

Company price index

A separate dimension from market allocation

1151361582020

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Nov 2020$5.2bn0.022%+0.022 pp-3.7%Yes
Oct 2020$4.8bn0.023%+0.023 pp-12.4%Yes
Sep 2020$4.8bn0.000%+0.000 pp-13.8%No
Aug 2020$4.9bn0.000%+0.000 pp-11.3%No
Jul 2020$4.9bn0.000%+0.000 pp-9.4%No
Jun 2020$4.6bn0.000%+0.000 pp-11.5%No
May 2020$4.6bn0.000%+0.000 pp-4.5%No
Apr 2020$4.4bn0.025%+0.025 pp-9.7%Yes
Mar 2020$4.3bn0.000%+0.000 pp-5.3%No
Feb 2020$5.5bn0.000%+0.000 pp+23.4%No
Jan 2020$6.0bn0.030%+0.030 pp+47.1%Yes
Dec 2019$5.6bn0.028%+0.028 pp+43.8%Yes

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.