Universe›Energy›Oil & Gas Storage & Transportation›Oil & Gas Storage & Transportation›Williams Companies
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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
0.144%
12M weight contribution
-0.004 pp
3M weight contribution
+0.013 pp
12M price return
-2.8%
Share of matched S&P 500 members
Monthly observations through Jul 2018
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 2018 | $24.6bn | 0.144% | -0.004 pp | -2.8% | Yes |
| Jun 2018 | $22.4bn | 0.136% | -0.012 pp | -11.4% | Yes |
| May 2018 | $22.2bn | 0.135% | -0.013 pp | -13.4% | No |
| Apr 2018 | $21.3bn | 0.131% | -0.017 pp | -17.0% | No |
| Mar 2018 | $20.6bn | 0.126% | -0.022 pp | -19.8% | No |
| Feb 2018 | $23.0bn | 0.138% | -0.010 pp | -11.6% | No |
| Jan 2018 | $26.0bn | 0.148% | +0.000 pp | +0.0% | 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.