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
1.83%
Industry change · 12M
+0.42 pp
Electric Utilities · contribution
+0.415 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2022 · 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 |
|---|---|---|---|---|---|---|---|
| Constellation Energy → CEG | United States | $18.7bn | 0.073% | +0.011 pp | +0.073 pp | +0.0% | Yes |
| Southern Company → SO | United States | $75.8bn | 0.295% | +0.036 pp | +0.069 pp | +22.7% | Yes |
| Exelon → EXC | United States | $44.4bn | 0.173% | +0.016 pp | +0.064 pp | +47.8% | Yes |
| Duke Energy → DUK | United States | $82.5bn | 0.321% | +0.032 pp | +0.053 pp | +12.8% | Yes |
| American Electric Power → AEP | United States | $49.3bn | 0.192% | +0.022 pp | +0.042 pp | +17.4% | Yes |
| WEC Energy Group → WEC | United States | $31.7bn | 0.123% | +0.017 pp | +0.024 pp | +16.6% | Yes |
| Edison International → EIX | United States | $24.1bn | 0.094% | +0.004 pp | +0.016 pp | +14.2% | Yes |
| Public Service Enterprise Group → PEG | United States | $31.6bn | 0.123% | +0.005 pp | +0.016 pp | +9.4% | Yes |
| Eversource Energy → ES | United States | $29.1bn | 0.113% | +0.011 pp | +0.016 pp | +8.3% | Yes |
| FirstEnergy → FE | United States | $21.9bn | 0.085% | -0.003 pp | +0.014 pp | +7.2% | Yes |
| Evergy → EVRG | United States | $15.0bn | 0.058% | +0.005 pp | +0.009 pp | +11.8% | Yes |
| Entergy → ETR | United States | $11.5bn | 0.045% | +0.005 pp | +0.009 pp | +17.2% | Yes |
| Alliant Energy → LNT | United States | $14.7bn | 0.057% | +0.004 pp | +0.008 pp | +8.1% | Yes |
| PPL Corporation → PPL | United States | $20.0bn | 0.078% | +0.007 pp | +0.002 pp | +1.4% | Yes |
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.