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
1.01%
Industry change · 12M
-0.69 pp
Electric Utilities · contribution
-0.690 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 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 |
|---|---|---|---|---|---|---|---|
| Duke Energy → DUK | United States | $72.1bn | 0.157% | -0.100 pp | -0.134 pp | -11.4% | No |
| Southern Company → SO | United States | $78.9bn | 0.172% | -0.099 pp | -0.109 pp | -2.2% | No |
| American Electric Power → AEP | United States | $43.7bn | 0.095% | -0.065 pp | -0.079 pp | -10.9% | No |
| Exelon → EXC | United States | $41.6bn | 0.091% | -0.052 pp | -0.066 pp | -6.9% | No |
| WEC Energy Group → WEC | United States | $28.3bn | 0.062% | -0.041 pp | -0.051 pp | -10.7% | No |
| Eversource Energy → ES | United States | $25.2bn | 0.055% | -0.036 pp | -0.050 pp | -15.3% | No |
| Public Service Enterprise Group → PEG | United States | $31.5bn | 0.069% | -0.038 pp | -0.044 pp | -0.4% | No |
| FirstEnergy → FE | United States | $22.6bn | 0.049% | -0.028 pp | -0.032 pp | -0.2% | No |
| PPL Corporation → PPL | United States | $20.3bn | 0.044% | -0.027 pp | -0.029 pp | -2.1% | No |
| Edison International → EIX | United States | $27.6bn | 0.060% | -0.035 pp | -0.029 pp | +11.0% | No |
| Evergy → EVRG | United States | $13.8bn | 0.030% | -0.018 pp | -0.024 pp | -8.6% | No |
| Alliant Energy → LNT | United States | $13.5bn | 0.029% | -0.017 pp | -0.023 pp | -8.8% | No |
| Entergy → ETR | United States | $10.9bn | 0.024% | -0.015 pp | -0.017 pp | -7.3% | No |
| Constellation Energy → CEG | United States | $31.4bn | 0.068% | -0.017 pp | -0.006 pp | +47.8% | No |
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.