Observatory · observe first
Follow the allocation change
Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.
Historical time machine
Historical observation
20182026
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Utilities
3 · Sub-industry
Inside Electric Utilities
Electric Utilities · weight
1.45%
Industry change · 12M
-0.12 pp
Electric Utilities · contribution
-0.116 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 2023 · sorted by absolute contribution to 12-month change
| Company | Country | Market cap | Universe weight | 3M contribution | 12M contribution | 12M price return | Above 6M weight average |
|---|---|---|---|---|---|---|---|
| Eversource Energy → ES | United States | $18.8bn | 0.064% | +0.009 pp | -0.030 pp | -26.9% | Yes |
| American Electric Power → AEP | United States | $38.9bn | 0.132% | +0.037 pp | -0.028 pp | -10.8% | Yes |
| Duke Energy → DUK | United States | $68.5bn | 0.233% | +0.076 pp | -0.022 pp | -0.5% | Yes |
| WEC Energy Group → WEC | United States | $25.7bn | 0.087% | +0.025 pp | -0.015 pp | -7.8% | Yes |
| Constellation Energy → CEG | United States | $36.3bn | 0.123% | +0.055 pp | +0.014 pp | +20.8% | Yes |
| Evergy → EVRG | United States | $11.3bn | 0.038% | +0.008 pp | -0.011 pp | -16.2% | Yes |
| PPL Corporation → PPL | United States | $18.1bn | 0.062% | +0.017 pp | -0.008 pp | -3.9% | Yes |
| FirstEnergy → FE | United States | $20.4bn | 0.069% | +0.020 pp | -0.007 pp | -1.7% | Yes |
| Public Service Enterprise Group → PEG | United States | $30.7bn | 0.104% | +0.036 pp | +0.005 pp | +14.2% | Yes |
| Alliant Energy → LNT | United States | $12.3bn | 0.042% | +0.012 pp | -0.005 pp | -3.2% | Yes |
| Entergy → ETR | United States | $10.1bn | 0.034% | +0.011 pp | -0.004 pp | -7.0% | Yes |
| Southern Company → SO | United States | $73.4bn | 0.250% | +0.078 pp | -0.003 pp | +7.0% | Yes |
| Exelon → EXC | United States | $38.8bn | 0.132% | +0.041 pp | -0.003 pp | +4.5% | Yes |
| Edison International → EIX | United States | $24.2bn | 0.082% | +0.022 pp | +0.001 pp | +9.8% | Yes |
Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.