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
1.61%
Industry change · 12M
+0.23 pp
Electric Utilities · contribution
+0.226 pp
Company participation
7%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 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 | $31.4bn | 0.107% | +0.011 pp | +0.107 pp | +0.0% | Yes |
| Southern Company → SO | United States | $73.6bn | 0.250% | -0.043 pp | +0.031 pp | +15.1% | No |
| American Electric Power → AEP | United States | $49.7bn | 0.169% | -0.015 pp | +0.031 pp | +23.5% | No |
| Exelon → EXC | United States | $41.1bn | 0.140% | -0.015 pp | +0.015 pp | +13.5% | No |
| WEC Energy Group → WEC | United States | $31.3bn | 0.106% | -0.010 pp | +0.013 pp | +17.5% | No |
| FirstEnergy → FE | United States | $23.6bn | 0.080% | -0.001 pp | +0.011 pp | +13.8% | No |
| Duke Energy → DUK | United States | $77.0bn | 0.261% | -0.033 pp | +0.009 pp | +7.0% | No |
| Entergy → ETR | United States | $11.8bn | 0.040% | -0.002 pp | +0.006 pp | +20.2% | No |
| Public Service Enterprise Group → PEG | United States | $30.2bn | 0.103% | -0.012 pp | -0.004 pp | +0.0% | No |
| PPL Corporation → PPL | United States | $21.7bn | 0.074% | -0.003 pp | +0.003 pp | +10.2% | No |
| Evergy → EVRG | United States | $13.6bn | 0.046% | -0.010 pp | -0.003 pp | -3.0% | No |
| Edison International → EIX | United States | $25.5bn | 0.086% | -0.006 pp | +0.003 pp | +6.6% | No |
| Eversource Energy → ES | United States | $28.9bn | 0.098% | -0.013 pp | +0.002 pp | +3.7% | No |
| Alliant Energy → LNT | United States | $14.1bn | 0.048% | -0.007 pp | +0.002 pp | +5.9% | 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.