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 Multi-Utilities
Multi-Utilities · weight
1.29%
Industry change · 12M
+0.02 pp
Multi-Utilities · contribution
+0.017 pp
Company participation
67%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 2018 · 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 |
|---|---|---|---|---|---|---|---|
| Dominion Energy → D | United States | $48.3bn | 0.289% | +0.009 pp | +0.009 pp | -3.1% | Yes |
| Sempra → SRE | United States | $13.9bn | 0.083% | +0.007 pp | +0.007 pp | +1.8% | Yes |
| Consolidated Edison → ED | United States | $23.2bn | 0.139% | -0.003 pp | -0.003 pp | -5.9% | No |
| PG&E Corporation → PCG | United States | $21.2bn | 0.127% | +0.002 pp | +0.002 pp | -3.2% | Yes |
| NextEra Energy → NEE | United States | $17.9bn | 0.107% | +0.001 pp | +0.001 pp | -3.3% | Yes |
| NiSource → NI | United States | $7.8bn | 0.047% | -0.001 pp | -0.001 pp | -5.5% | No |
| Pinnacle West Capital → PNW | United States | $8.6bn | 0.052% | +0.001 pp | +0.001 pp | -3.7% | Yes |
| CenterPoint Energy → CNP | United States | $11.7bn | 0.070% | +0.001 pp | +0.001 pp | -3.0% | Yes |
| Ameren → AEE | United States | $13.2bn | 0.079% | +0.001 pp | +0.001 pp | -4.1% | Yes |
| Xcel Energy → XEL | United States | $22.0bn | 0.132% | -0.000 pp | -0.000 pp | -5.2% | No |
| CMS Energy → CMS | United States | $11.3bn | 0.068% | -0.000 pp | -0.000 pp | -4.3% | No |
| DTE Energy → DTE | United States | $15.4bn | 0.092% | +0.000 pp | +0.000 pp | -4.6% | 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.