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
0.80%
Industry change · 12M
-0.47 pp
Multi-Utilities · contribution
-0.468 pp
Company participation
8%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 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 | $46.8bn | 0.167% | +0.021 pp | -0.113 pp | -2.0% | No |
| PG&E Corporation → PCG | United States | $12.3bn | 0.044% | -0.032 pp | -0.080 pp | -44.0% | No |
| Consolidated Edison → ED | United States | $23.8bn | 0.085% | +0.010 pp | -0.057 pp | -1.3% | No |
| Xcel Energy → XEL | United States | $25.3bn | 0.091% | +0.014 pp | -0.042 pp | +11.6% | No |
| NextEra Energy → NEE | United States | $20.8bn | 0.074% | +0.011 pp | -0.032 pp | +12.7% | No |
| DTE Energy → DTE | United States | $17.1bn | 0.061% | +0.007 pp | -0.031 pp | +8.0% | No |
| Sempra → SRE | United States | $14.8bn | 0.053% | +0.003 pp | -0.024 pp | +4.4% | No |
| Ameren → AEE | United States | $15.9bn | 0.057% | +0.008 pp | -0.021 pp | +18.7% | No |
| CenterPoint Energy → CNP | United States | $14.1bn | 0.051% | +0.013 pp | -0.019 pp | +4.4% | Yes |
| CMS Energy → CMS | United States | $14.1bn | 0.050% | +0.006 pp | -0.018 pp | +14.4% | No |
| Pinnacle West Capital → PNW | United States | $9.5bn | 0.034% | +0.006 pp | -0.017 pp | +9.4% | No |
| NiSource → NI | United States | $9.2bn | 0.033% | +0.004 pp | -0.014 pp | +6.0% | 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.