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
1.31%
Industry change · 12M
+0.04 pp
Multi-Utilities · contribution
+0.043 pp
Company participation
75%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 2018 · 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 | $41.9bn | 0.254% | -0.035 pp | -0.026 pp | -14.0% | No |
| NextEra Energy → NEE | United States | $19.5bn | 0.119% | +0.011 pp | +0.012 pp | +5.4% | Yes |
| PG&E Corporation → PCG | United States | $22.4bn | 0.136% | +0.009 pp | +0.011 pp | +2.1% | Yes |
| Ameren → AEE | United States | $14.4bn | 0.088% | +0.009 pp | +0.009 pp | +5.4% | Yes |
| Sempra → SRE | United States | $14.1bn | 0.085% | +0.002 pp | +0.009 pp | +0.4% | Yes |
| Xcel Energy → XEL | United States | $23.2bn | 0.141% | +0.009 pp | +0.008 pp | +0.6% | Yes |
| CMS Energy → CMS | United States | $12.3bn | 0.075% | +0.007 pp | +0.007 pp | +4.8% | Yes |
| NiSource → NI | United States | $8.5bn | 0.052% | +0.005 pp | +0.004 pp | +4.2% | Yes |
| DTE Energy → DTE | United States | $15.8bn | 0.096% | +0.004 pp | +0.004 pp | -2.2% | Yes |
| Pinnacle West Capital → PNW | United States | $8.9bn | 0.054% | +0.003 pp | +0.003 pp | +0.4% | Yes |
| Consolidated Edison → ED | United States | $23.8bn | 0.145% | +0.005 pp | +0.003 pp | -2.7% | No |
| CenterPoint Energy → CNP | United States | $11.3bn | 0.068% | -0.001 pp | -0.001 pp | -5.3% | 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.