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
0.00%
Industry change · 12M
-2.21 pp
Electric Utilities · contribution
-2.210 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 2020 · 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 | $65.1bn | 0.000% | +0.000 pp | -0.371 pp | -3.5% | No |
| Southern Company → SO | United States | $57.3bn | 0.000% | -0.000 pp | -0.343 pp | -8.4% | No |
| American Electric Power → AEP | United States | $40.6bn | 0.000% | -0.000 pp | -0.246 pp | -10.0% | No |
| Exelon → EXC | United States | $24.9bn | 0.000% | -0.000 pp | -0.178 pp | -23.2% | No |
| Public Service Enterprise Group → PEG | United States | $27.8bn | 0.000% | +0.000 pp | -0.167 pp | -8.3% | No |
| WEC Energy Group → WEC | United States | $30.6bn | 0.000% | +0.000 pp | -0.159 pp | +4.7% | No |
| Eversource Energy → ES | United States | $28.6bn | 0.000% | -0.000 pp | -0.147 pp | +0.4% | No |
| FirstEnergy → FE | United States | $15.6bn | 0.000% | -0.000 pp | -0.136 pp | -38.1% | No |
| Edison International → EIX | United States | $19.2bn | 0.000% | -0.000 pp | -0.130 pp | -29.6% | No |
| PPL Corporation → PPL | United States | $20.9bn | 0.000% | -0.000 pp | -0.121 pp | -8.8% | No |
| Evergy → EVRG | United States | $11.5bn | 0.000% | -0.000 pp | -0.083 pp | -21.1% | No |
| Alliant Energy → LNT | United States | $12.9bn | 0.000% | -0.000 pp | -0.068 pp | -1.5% | No |
| Entergy → ETR | United States | $9.9bn | 0.000% | -0.000 pp | -0.062 pp | -13.2% | 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.