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
-2.15 pp
Electric Utilities · contribution
-2.151 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 | $62.9bn | 0.000% | +0.000 pp | -0.363 pp | +4.4% | No |
| Southern Company → SO | United States | $60.3bn | 0.000% | +0.000 pp | -0.324 pp | +11.2% | No |
| American Electric Power → AEP | United States | $42.2bn | 0.000% | +0.000 pp | -0.247 pp | +2.1% | No |
| Exelon → EXC | United States | $26.6bn | 0.000% | +0.000 pp | -0.194 pp | -17.5% | No |
| Public Service Enterprise Group → PEG | United States | $25.8bn | 0.000% | +0.000 pp | -0.173 pp | -10.3% | No |
| WEC Energy Group → WEC | United States | $28.9bn | 0.000% | +0.000 pp | -0.148 pp | +17.0% | No |
| Eversource Energy → ES | United States | $28.2bn | 0.000% | +0.000 pp | -0.136 pp | +16.3% | No |
| FirstEnergy → FE | United States | $22.9bn | 0.000% | +0.000 pp | -0.128 pp | +6.0% | No |
| PPL Corporation → PPL | United States | $21.5bn | 0.000% | +0.000 pp | -0.125 pp | -1.1% | No |
| Edison International → EIX | United States | $21.1bn | 0.000% | -99.924 pp | -0.113 pp | +1.6% | No |
| Evergy → EVRG | United States | $14.0bn | 0.000% | +0.000 pp | -0.083 pp | +9.4% | No |
| Alliant Energy → LNT | United States | $12.3bn | 0.000% | +0.000 pp | -0.066 pp | +6.9% | No |
| Entergy → ETR | United States | $10.2bn | 0.000% | +0.000 pp | -0.054 pp | +8.4% | 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.