Observatory · observe first

Williams Companies

WMB · United States · Oil & Gas Storage & Transportation · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.137%
12M weight contribution
+0.080 pp
3M weight contribution
+0.035 pp
12M price return
+49.7%

Share of matched S&P 500 members

Monthly observations through Mar 2022

0.00.10.220182019202020212022

Company price index

A separate dimension from market allocation

559613620182019202020212022

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Mar 2022$40.6bn0.137%+0.080 pp+49.7%Yes
Feb 2022$38.0bn0.132%+0.076 pp+45.9%Yes
Jan 2022$36.4bn0.122%+0.061 pp+50.2%Yes
Dec 2021$31.6bn0.101%+0.003 pp+38.4%No
Nov 2021$32.6bn0.110%+0.002 pp+36.5%Yes
Oct 2021$34.1bn0.114%+0.004 pp+56.4%Yes
Sep 2021$31.5bn0.111%+0.111 pp+41.1%Yes
Aug 2021$30.0bn0.100%+0.100 pp+27.4%Yes
Jul 2021$30.4bn0.104%+0.104 pp+40.3%Yes
Jun 2021$32.3bn0.114%+0.114 pp+49.5%Yes
May 2021$32.0bn0.115%+0.114 pp+38.9%Yes
Apr 2021$29.6bn0.107%-0.024 pp+35.5%Yes
Mar 2021$28.8bn0.056%+0.056 pp+80.3%No
Feb 2021$27.7bn0.055%+0.055 pp+30.2%No
Jan 2021$25.8bn0.062%-0.062 pp+11.4%No
Dec 2020$24.3bn0.098%-0.043 pp-8.2%Yes
Nov 2020$25.5bn0.108%-0.031 pp+0.1%Yes
Oct 2020$23.3bn0.110%-0.031 pp-6.7%Yes
Sep 2020$23.8bn0.000%-0.155 pp-11.4%No
Aug 2020$25.2bn0.000%-0.155 pp-5.0%No
Jul 2020$23.2bn0.000%-0.159 pp-16.1%No
Jun 2020$23.1bn0.000%-0.183 pp-26.7%No
May 2020$24.8bn0.000%-0.186 pp-16.9%No
Apr 2020$23.5bn0.131%-0.060 pp-26.6%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.