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
1.39%
Industry change · 12M
+1.38 pp
Multi-Utilities · contribution
+1.384 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 2021 · 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 |
|---|---|---|---|---|---|---|---|
| NextEra Energy → NEE | United States | $143.6bn | 0.514% | +0.227 pp | +0.514 pp | +17.0% | Yes |
| Dominion Energy → D | United States | $61.4bn | 0.220% | +0.110 pp | +0.220 pp | -6.8% | Yes |
| Xcel Energy → XEL | United States | $38.1bn | 0.137% | +0.074 pp | +0.136 pp | +12.0% | Yes |
| Consolidated Edison → ED | United States | $26.5bn | 0.095% | +0.050 pp | +0.095 pp | +7.2% | Yes |
| DTE Energy → DTE | United States | $22.8bn | 0.082% | +0.043 pp | +0.081 pp | +33.0% | Yes |
| Ameren → AEE | United States | $21.5bn | 0.077% | +0.042 pp | +0.077 pp | +15.7% | Yes |
| Sempra → SRE | United States | $20.5bn | 0.073% | +0.038 pp | +0.073 pp | +11.0% | Yes |
| CMS Energy → CMS | United States | $18.2bn | 0.065% | +0.034 pp | +0.065 pp | +10.1% | Yes |
| CenterPoint Energy → CNP | United States | $14.7bn | 0.053% | +0.031 pp | +0.053 pp | +46.2% | Yes |
| NiSource → NI | United States | $10.0bn | 0.036% | +0.019 pp | +0.036 pp | +10.9% | Yes |
| Pinnacle West Capital → PNW | United States | $9.5bn | 0.034% | +0.018 pp | +0.034 pp | +13.1% | 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.