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
1.40%
Industry change · 12M
+0.33 pp
Multi-Utilities · contribution
+0.331 pp
Company participation
55%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 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 | $183.2bn | 0.587% | +0.046 pp | +0.434 pp | +23.4% | Yes |
| Dominion Energy → D | United States | $63.6bn | 0.204% | -0.003 pp | -0.044 pp | +8.1% | No |
| Xcel Energy → XEL | United States | $36.5bn | 0.117% | -0.001 pp | -0.025 pp | +4.4% | No |
| Pinnacle West Capital → PNW | United States | $8.0bn | 0.026% | -0.003 pp | -0.011 pp | -7.8% | No |
| CMS Energy → CMS | United States | $18.8bn | 0.060% | -0.000 pp | -0.010 pp | +9.7% | Yes |
| CenterPoint Energy → CNP | United States | $17.6bn | 0.056% | +0.005 pp | +0.009 pp | +32.4% | Yes |
| DTE Energy → DTE | United States | $23.2bn | 0.074% | -0.002 pp | -0.007 pp | +19.4% | No |
| Sempra → SRE | United States | $21.1bn | 0.068% | -0.003 pp | -0.007 pp | +7.4% | No |
| Ameren → AEE | United States | $22.9bn | 0.073% | +0.000 pp | -0.005 pp | +17.1% | Yes |
| Consolidated Edison → ED | United States | $30.2bn | 0.097% | +0.007 pp | -0.001 pp | +23.0% | Yes |
| NiSource → NI | United States | $10.8bn | 0.035% | +0.001 pp | -0.001 pp | +24.8% | 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.