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
+0.03 pp
Multi-Utilities · contribution
+0.180 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 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 | $62.2bn | 0.347% | +0.195 pp | +0.080 pp | +22.8% | Yes |
| CenterPoint Energy → CNP | United States | $15.5bn | 0.087% | +0.035 pp | +0.019 pp | +27.4% | Yes |
| Xcel Energy → XEL | United States | $29.1bn | 0.162% | +0.073 pp | +0.016 pp | +24.5% | Yes |
| Ameren → AEE | United States | $17.8bn | 0.099% | +0.043 pp | +0.012 pp | +27.7% | Yes |
| NextEra Energy → NEE | United States | $23.3bn | 0.130% | +0.059 pp | +0.011 pp | +21.8% | Yes |
| CMS Energy → CMS | United States | $15.8bn | 0.088% | +0.039 pp | +0.010 pp | +21.3% | Yes |
| Sempra → SRE | United States | $17.5bn | 0.098% | +0.045 pp | +0.010 pp | +18.1% | Yes |
| DTE Energy → DTE | United States | $19.6bn | 0.109% | +0.049 pp | +0.009 pp | +23.2% | Yes |
| NiSource → NI | United States | $10.3bn | 0.058% | +0.025 pp | +0.007 pp | +17.3% | Yes |
| Pinnacle West Capital → PNW | United States | $10.7bn | 0.060% | +0.027 pp | +0.004 pp | +22.4% | Yes |
| Consolidated Edison → ED | United States | $27.7bn | 0.154% | +0.074 pp | +0.001 pp | +11.6% | 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.