Universe›Energy›Oil & Gas Storage & Transportation›Oil & Gas Storage & Transportation›Williams Companies
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
0.104%
12M weight contribution
+0.104 pp
3M weight contribution
-0.003 pp
12M price return
+40.3%
Share of matched S&P 500 members
Monthly observations through Jul 2021
Company price index
A separate dimension from market allocation
Historical observations
Most recent 24 observations at or before the selected month
| Month | Market cap | Universe weight | 12M weight change | 12M return | Above 6M weight average |
|---|---|---|---|---|---|
| Jul 2021 | $30.4bn | 0.104% | +0.104 pp | +40.3% | Yes |
| Jun 2021 | $32.3bn | 0.114% | +0.114 pp | +49.5% | Yes |
| May 2021 | $32.0bn | 0.115% | +0.114 pp | +38.9% | Yes |
| Apr 2021 | $29.6bn | 0.107% | -0.024 pp | +35.5% | Yes |
| Mar 2021 | $28.8bn | 0.056% | +0.056 pp | +80.3% | No |
| Feb 2021 | $27.7bn | 0.055% | +0.055 pp | +30.2% | No |
| Jan 2021 | $25.8bn | 0.062% | -0.062 pp | +11.4% | No |
| Dec 2020 | $24.3bn | 0.098% | -0.043 pp | -8.2% | Yes |
| Nov 2020 | $25.5bn | 0.108% | -0.031 pp | +0.1% | Yes |
| Oct 2020 | $23.3bn | 0.110% | -0.031 pp | -6.7% | Yes |
| Sep 2020 | $23.8bn | 0.000% | -0.155 pp | -11.4% | No |
| Aug 2020 | $25.2bn | 0.000% | -0.155 pp | -5.0% | No |
| Jul 2020 | $23.2bn | 0.000% | -0.159 pp | -16.1% | No |
| Jun 2020 | $23.1bn | 0.000% | -0.183 pp | -26.7% | No |
| May 2020 | $24.8bn | 0.000% | -0.186 pp | -16.9% | No |
| Apr 2020 | $23.5bn | 0.131% | -0.060 pp | -26.6% | Yes |
| Mar 2020 | $17.2bn | 0.000% | -0.200 pp | -47.1% | No |
| Feb 2020 | $23.1bn | 0.000% | -0.187 pp | -24.2% | No |
| Jan 2020 | $25.1bn | 0.124% | +0.016 pp | -18.5% | No |
| Dec 2019 | $28.7bn | 0.141% | +0.046 pp | +14.2% | No |
| Nov 2019 | $27.5bn | 0.139% | +0.037 pp | -5.0% | No |
| Oct 2019 | $27.0bn | 0.141% | +0.073 pp | -2.9% | No |
| Sep 2019 | $29.2bn | 0.155% | +0.083 pp | -6.3% | No |
| Aug 2019 | $28.6bn | 0.156% | +0.076 pp | -15.9% | 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.