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
0.75%
Industry change · 12M
+0.75 pp
Multi-Utilities · contribution
+0.746 pp
Company participation
9%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 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 | $148.2bn | 0.290% | +0.137 pp | +0.290 pp | +28.3% | Yes |
| Dominion Energy → D | United States | $61.2bn | 0.120% | -0.129 pp | +0.119 pp | +9.5% | No |
| Xcel Energy → XEL | United States | $35.8bn | 0.070% | -0.072 pp | +0.070 pp | +13.3% | No |
| Consolidated Edison → ED | United States | $25.6bn | 0.050% | -0.048 pp | +0.050 pp | -0.1% | No |
| DTE Energy → DTE | United States | $22.0bn | 0.043% | -0.038 pp | +0.043 pp | +45.3% | No |
| Ameren → AEE | United States | $20.6bn | 0.040% | -0.038 pp | +0.040 pp | +14.7% | No |
| Sempra → SRE | United States | $20.1bn | 0.039% | -0.035 pp | +0.039 pp | +21.5% | No |
| CMS Energy → CMS | United States | $17.7bn | 0.035% | -0.036 pp | +0.035 pp | +7.2% | No |
| CenterPoint Energy → CNP | United States | $12.5bn | 0.024% | -0.023 pp | +0.024 pp | +51.0% | No |
| NiSource → NI | United States | $9.4bn | 0.018% | -0.017 pp | +0.018 pp | +0.0% | No |
| Pinnacle West Capital → PNW | United States | $9.2bn | 0.018% | -0.019 pp | +0.018 pp | +11.8% | 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.