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
0.100%
12M weight contribution
+0.001 pp
3M weight contribution
+0.001 pp
12M price return
+2.5%
Share of matched S&P 500 members
Monthly observations through Apr 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 |
|---|---|---|---|---|---|
| Apr 2020 | $17.9bn | 0.100% | +0.001 pp | +2.5% | Yes |
| Mar 2020 | $17.9bn | 0.000% | -0.103 pp | +1.6% | No |
| Feb 2020 | $19.5bn | 0.000% | -0.101 pp | +13.8% | No |
| Jan 2020 | $20.2bn | 0.100% | +0.044 pp | +21.4% | Yes |
| Dec 2019 | $18.9bn | 0.093% | +0.036 pp | +20.8% | No |
| Nov 2019 | $18.3bn | 0.092% | +0.036 pp | +11.2% | No |
| Oct 2019 | $19.1bn | 0.100% | +0.046 pp | +23.5% | No |
| Sep 2019 | $19.7bn | 0.105% | +0.055 pp | +29.9% | Yes |
| Aug 2019 | $19.0bn | 0.103% | +0.053 pp | +25.3% | Yes |
| Jul 2019 | $18.6bn | 0.099% | +0.011 pp | +25.2% | No |
| Jun 2019 | $18.4bn | 0.099% | +0.009 pp | +26.8% | Yes |
| May 2019 | $18.0bn | 0.105% | +0.017 pp | +27.5% | Yes |
| Apr 2019 | $17.8bn | 0.099% | +0.012 pp | +27.7% | Yes |
| Mar 2019 | $18.0bn | 0.103% | +0.019 pp | +33.6% | Yes |
| Feb 2019 | $17.4bn | 0.101% | +0.022 pp | +35.2% | Yes |
| Jan 2019 | $16.9bn | 0.056% | -0.023 pp | +26.2% | Yes |
| 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 |
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.