Observatory · observe first
Eversource Energy
ES · United States · Electric Utilities · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.049%
12M weight contribution
+0.002 pp
3M weight contribution
-0.003 pp
12M price return
+22.9%
Share of matched S&P 500 members
Monthly observations through Dec 2025
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 2025 | $25.3bn | 0.049% | +0.002 pp | +22.9% | No |
| Nov 2025 | $25.2bn | 0.050% | -0.003 pp | +9.3% | No |
| Oct 2025 | $27.4bn | 0.054% | -0.002 pp | +17.6% | Yes |
| Sep 2025 | $26.4bn | 0.053% | -0.004 pp | +9.7% | Yes |
| Aug 2025 | $23.8bn | 0.049% | -0.009 pp | -0.5% | No |
| Jul 2025 | $24.3bn | 0.051% | +0.010 pp | +6.8% | No |
| Jun 2025 | $23.4bn | 0.050% | +0.013 pp | +17.6% | No |
| May 2025 | $23.8bn | 0.054% | +0.014 pp | +14.7% | Yes |
| Apr 2025 | $21.8bn | 0.052% | -0.009 pp | +2.8% | Yes |
| Mar 2025 | $22.8bn | 0.054% | -0.004 pp | +8.9% | Yes |
| Feb 2025 | $23.1bn | 0.052% | -0.007 pp | +12.5% | No |
| Jan 2025 | $21.1bn | 0.047% | -0.009 pp | +11.5% | No |
| Dec 2024 | $21.0bn | 0.048% | -0.017 pp | -2.5% | No |
| Nov 2024 | $23.6bn | 0.052% | -0.013 pp | +13.6% | Yes |
| Oct 2024 | $23.5bn | 0.055% | -0.009 pp | +28.1% | Yes |
| Sep 2024 | $24.3bn | 0.057% | -0.011 pp | +22.5% | Yes |
| Aug 2024 | $24.1bn | 0.058% | -0.013 pp | +10.7% | Yes |
| Jul 2024 | $22.9bn | 0.041% | -0.014 pp | -6.1% | No |
| Jun 2024 | $20.0bn | 0.037% | -0.020 pp | -16.3% | No |
| May 2024 | $20.9bn | 0.040% | -0.020 pp | -10.5% | No |
| Apr 2024 | $21.2bn | 0.061% | -0.030 pp | -18.5% | Yes |
| Mar 2024 | $20.9bn | 0.058% | -0.035 pp | -20.3% | No |
| Feb 2024 | $20.5bn | 0.059% | -0.034 pp | -19.0% | No |
| Jan 2024 | $18.9bn | 0.056% | -0.042 pp | -31.5% | 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.