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
0.021%
12M weight contribution
-0.001 pp
3M weight contribution
+0.000 pp
12M price return
+27.4%

Share of matched S&P 500 members

Monthly observations through Dec 2021

0.00.00.020202021

Company price index

A separate dimension from market allocation

11614918220202021

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Dec 2021$6.5bn0.021%-0.001 pp+27.4%Yes
Nov 2021$6.0bn0.020%-0.002 pp+19.3%Yes
Oct 2021$6.3bn0.021%-0.002 pp+34.2%Yes
Sep 2021$5.8bn0.020%+0.020 pp+21.3%No
Aug 2021$5.9bn0.020%+0.020 pp+23.1%Yes
Jul 2021$5.8bn0.020%+0.020 pp+20.2%Yes
Jun 2021$5.9bn0.021%+0.021 pp+31.7%Yes
May 2021$6.1bn0.022%+0.022 pp+35.6%Yes
Apr 2021$6.3bn0.023%-0.002 pp+48.7%Yes
Mar 2021$5.9bn0.012%+0.012 pp+45.5%No
Feb 2021$5.5bn0.011%+0.011 pp+4.1%No
Jan 2021$4.9bn0.012%-0.018 pp-14.8%No
Dec 2020$5.3bn0.021%-0.006 pp-3.1%Yes
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

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.