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
1.00%
Industry change · 12M
-0.00 pp
Electric Utilities · contribution
-0.003 pp
Company participation
7%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2024 · 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 |
|---|---|---|---|---|---|---|---|
| Vistra Corp. → VST | United States | $27.5bn | 0.049% | +0.049 pp | +0.049 pp | +187.4% | Yes |
| Constellation Energy → CEG | United States | $59.8bn | 0.107% | -0.063 pp | +0.039 pp | +98.1% | No |
| Exelon → EXC | United States | $37.2bn | 0.067% | -0.042 pp | -0.024 pp | -7.6% | No |
| Eversource Energy → ES | United States | $22.9bn | 0.041% | -0.020 pp | -0.014 pp | -6.1% | No |
| WEC Energy Group → WEC | United States | $27.2bn | 0.049% | -0.027 pp | -0.013 pp | -0.4% | No |
| Southern Company → SO | United States | $91.3bn | 0.164% | -0.069 pp | -0.008 pp | +20.2% | No |
| Evergy → EVRG | United States | $13.3bn | 0.024% | -0.011 pp | -0.006 pp | +1.5% | No |
| Duke Energy → DUK | United States | $84.3bn | 0.151% | -0.068 pp | -0.006 pp | +22.0% | No |
| FirstEnergy → FE | United States | $24.1bn | 0.043% | -0.021 pp | -0.006 pp | +11.2% | No |
| PPL Corporation → PPL | United States | $21.9bn | 0.039% | -0.019 pp | -0.005 pp | +12.1% | No |
| Edison International → EIX | United States | $30.9bn | 0.055% | -0.024 pp | -0.005 pp | +16.3% | No |
| Alliant Energy → LNT | United States | $14.3bn | 0.026% | -0.011 pp | -0.004 pp | +7.5% | No |
| Public Service Enterprise Group → PEG | United States | $39.7bn | 0.071% | -0.028 pp | +0.003 pp | +31.0% | No |
| American Electric Power → AEP | United States | $52.2bn | 0.094% | -0.038 pp | -0.002 pp | +20.9% | No |
| Entergy → ETR | United States | $12.4bn | 0.022% | -0.011 pp | -0.001 pp | +18.1% | 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.