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
1.34%
Industry change · 12M
+0.54 pp
Multi-Utilities · contribution
+0.587 pp
Company participation
18%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 2019 · 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 | $68.2bn | 0.334% | -0.011 pp | +0.167 pp | +21.5% | No |
| Xcel Energy → XEL | United States | $33.3bn | 0.163% | -0.014 pp | +0.073 pp | +32.4% | No |
| NextEra Energy → NEE | United States | $29.6bn | 0.145% | -0.003 pp | +0.071 pp | +42.7% | Yes |
| Consolidated Edison → ED | United States | $30.1bn | 0.148% | -0.019 pp | +0.062 pp | +22.5% | No |
| Sempra → SRE | United States | $21.4bn | 0.105% | -0.003 pp | +0.052 pp | +44.0% | Yes |
| DTE Energy → DTE | United States | $20.3bn | 0.099% | -0.011 pp | +0.038 pp | +21.4% | No |
| CMS Energy → CMS | United States | $17.8bn | 0.088% | -0.009 pp | +0.037 pp | +30.0% | No |
| Ameren → AEE | United States | $18.9bn | 0.093% | -0.012 pp | +0.036 pp | +20.8% | No |
| NiSource → NI | United States | $10.4bn | 0.051% | -0.008 pp | +0.018 pp | +13.0% | No |
| CenterPoint Energy → CNP | United States | $13.7bn | 0.067% | -0.013 pp | +0.017 pp | +0.6% | No |
| Pinnacle West Capital → PNW | United States | $10.1bn | 0.050% | -0.008 pp | +0.015 pp | +9.1% | 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.