Observatory · observe first
Alliant Energy
LNT · United States · Electric Utilities · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.000%
12M weight contribution
-0.064 pp
3M weight contribution
-0.064 pp
12M price return
+5.4%
Share of matched S&P 500 members
Monthly observations through Mar 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 |
|---|---|---|---|---|---|
| Mar 2020 | $11.8bn | 0.000% | -0.064 pp | +5.4% | No |
| Feb 2020 | $12.8bn | 0.000% | -0.063 pp | +16.8% | No |
| Jan 2020 | $14.3bn | 0.070% | +0.036 pp | +37.3% | Yes |
| Dec 2019 | $13.2bn | 0.065% | +0.029 pp | +33.4% | No |
| Nov 2019 | $12.7bn | 0.064% | +0.029 pp | +20.3% | No |
| Oct 2019 | $12.7bn | 0.066% | +0.032 pp | +27.9% | Yes |
| Sep 2019 | $12.8bn | 0.068% | +0.036 pp | +30.6% | Yes |
| Aug 2019 | $12.5bn | 0.068% | +0.035 pp | +26.2% | Yes |
| Jul 2019 | $11.8bn | 0.063% | +0.005 pp | +18.9% | No |
| Jun 2019 | $11.7bn | 0.063% | +0.003 pp | +19.7% | Yes |
| May 2019 | $11.3bn | 0.066% | +0.007 pp | +18.2% | Yes |
| Apr 2019 | $11.1bn | 0.062% | +0.001 pp | +13.5% | Yes |
| Mar 2019 | $11.1bn | 0.064% | +0.006 pp | +19.1% | Yes |
| Feb 2019 | $10.8bn | 0.063% | +0.009 pp | +22.5% | Yes |
| Jan 2019 | $10.5bn | 0.035% | -0.018 pp | +15.5% | Yes |
| Dec 2018 | $10.0bn | 0.036% | -0.017 pp | +8.8% | No |
| Nov 2018 | $10.7bn | 0.036% | -0.017 pp | +16.9% | No |
| Oct 2018 | $10.0bn | 0.034% | -0.018 pp | +10.7% | No |
| Sep 2018 | $10.0bn | 0.032% | -0.021 pp | +8.8% | No |
| Aug 2018 | $10.0bn | 0.032% | -0.020 pp | +9.5% | No |
| Jul 2018 | $9.9bn | 0.058% | +0.006 pp | +9.8% | No |
| Jun 2018 | $9.8bn | 0.059% | +0.007 pp | +7.3% | Yes |
| May 2018 | $9.6bn | 0.058% | +0.006 pp | +5.0% | Yes |
| Apr 2018 | $9.9bn | 0.061% | +0.009 pp | +8.9% | 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.