Observatory · observe first
Ameren
AEE · United States · Multi-Utilities · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.057%
12M weight contribution
-0.021 pp
3M weight contribution
+0.008 pp
12M price return
+18.7%
Share of matched S&P 500 members
Monthly observations through Dec 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 |
|---|---|---|---|---|---|
| Dec 2018 | $15.9bn | 0.057% | -0.021 pp | +18.7% | No |
| Nov 2018 | $16.8bn | 0.056% | -0.023 pp | +24.1% | No |
| Oct 2018 | $15.8bn | 0.053% | -0.025 pp | +16.8% | No |
| Sep 2018 | $15.4bn | 0.049% | -0.029 pp | +14.3% | No |
| Aug 2018 | $15.4bn | 0.050% | -0.029 pp | +13.5% | No |
| Jul 2018 | $15.1bn | 0.088% | +0.010 pp | +11.4% | Yes |
| Jun 2018 | $14.8bn | 0.090% | +0.012 pp | +9.3% | Yes |
| May 2018 | $14.4bn | 0.088% | +0.009 pp | +5.4% | Yes |
| Apr 2018 | $14.2bn | 0.087% | +0.009 pp | +4.4% | Yes |
| Mar 2018 | $13.7bn | 0.084% | +0.006 pp | +0.8% | Yes |
| Feb 2018 | $13.2bn | 0.079% | +0.001 pp | -4.1% | Yes |
| Jan 2018 | $13.7bn | 0.078% | +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.