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
1.04%
Industry change · 12M
-0.79 pp
Electric Utilities · contribution
-0.792 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 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 | $69.2bn | 0.160% | -0.094 pp | -0.161 pp | -12.9% | No |
| Southern Company → SO | United States | $76.6bn | 0.177% | -0.081 pp | -0.118 pp | +2.4% | No |
| American Electric Power → AEP | United States | $43.3bn | 0.100% | -0.059 pp | -0.091 pp | -9.1% | No |
| Exelon → EXC | United States | $40.5bn | 0.094% | -0.048 pp | -0.079 pp | -7.1% | No |
| WEC Energy Group → WEC | United States | $27.8bn | 0.064% | -0.038 pp | -0.059 pp | -9.5% | No |
| Eversource Energy → ES | United States | $24.7bn | 0.057% | -0.036 pp | -0.056 pp | -13.2% | No |
| Public Service Enterprise Group → PEG | United States | $31.2bn | 0.072% | -0.034 pp | -0.051 pp | +2.6% | No |
| FirstEnergy → FE | United States | $22.3bn | 0.052% | -0.027 pp | -0.034 pp | +5.4% | No |
| PPL Corporation → PPL | United States | $19.5bn | 0.045% | -0.025 pp | -0.033 pp | +0.8% | No |
| Edison International → EIX | United States | $26.6bn | 0.062% | -0.031 pp | -0.032 pp | +14.8% | No |
| Evergy → EVRG | United States | $13.4bn | 0.031% | -0.017 pp | -0.027 pp | -6.9% | No |
| Alliant Energy → LNT | United States | $13.2bn | 0.031% | -0.015 pp | -0.027 pp | -7.5% | No |
| Entergy → ETR | United States | $10.3bn | 0.024% | -0.015 pp | -0.021 pp | -10.1% | No |
| Constellation Energy → CEG | United States | $29.7bn | 0.069% | -0.019 pp | -0.004 pp | +61.6% | 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.