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
0.098%
12M weight contribution
-0.043 pp
3M weight contribution
+0.098 pp
12M price return
-8.2%
Share of matched S&P 500 members
Monthly observations through Dec 2020
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 |
|---|---|---|---|---|---|
| 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 |
| Jul 2019 | $29.9bn | 0.159% | +0.015 pp | -12.6% | No |
| Jun 2019 | $34.0bn | 0.183% | +0.047 pp | +9.1% | Yes |
| May 2019 | $32.0bn | 0.186% | +0.051 pp | +3.5% | Yes |
| Apr 2019 | $34.3bn | 0.191% | +0.060 pp | +16.1% | Yes |
| Mar 2019 | $34.8bn | 0.200% | +0.074 pp | +21.8% | Yes |
| Feb 2019 | $32.3bn | 0.187% | +0.050 pp | +1.2% | Yes |
| Jan 2019 | $32.6bn | 0.108% | -0.041 pp | -9.7% | 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.