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
1.43%
Industry change · 12M
+0.68 pp
Multi-Utilities · contribution
+0.760 pp
Company participation
73%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 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 | $62.4bn | 0.339% | -0.012 pp | +0.190 pp | +15.0% | No |
| Xcel Energy → XEL | United States | $33.1bn | 0.180% | +0.008 pp | +0.101 pp | +37.7% | Yes |
| Consolidated Edison → ED | United States | $29.5bn | 0.161% | -0.004 pp | +0.081 pp | +16.7% | Yes |
| NextEra Energy → NEE | United States | $26.2bn | 0.143% | +0.004 pp | +0.078 pp | +32.0% | Yes |
| DTE Energy → DTE | United States | $20.2bn | 0.110% | -0.004 pp | +0.055 pp | +20.3% | Yes |
| Sempra → SRE | United States | $19.4bn | 0.106% | +0.001 pp | +0.055 pp | +25.8% | Yes |
| Ameren → AEE | United States | $19.0bn | 0.103% | -0.002 pp | +0.053 pp | +25.3% | Yes |
| CMS Energy → CMS | United States | $17.9bn | 0.097% | +0.005 pp | +0.052 pp | +31.7% | Yes |
| CenterPoint Energy → CNP | United States | $13.9bn | 0.076% | -0.008 pp | +0.037 pp | +3.6% | No |
| Pinnacle West Capital → PNW | United States | $10.7bn | 0.058% | -0.003 pp | +0.030 pp | +25.4% | No |
| NiSource → NI | United States | $11.0bn | 0.060% | -0.001 pp | +0.028 pp | +12.4% | 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.