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
Universe›Utilities›Electric Utilities›Electric Utilities
Electric Utilities · weight
0.79%
Industry change · 12M
-99.13 pp
Electric Utilities · contribution
-99.134 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 2021 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Edison International →
EIX
United States$22.2bn0.043%-0.053 pp-99.876 pp+12.0%No
Duke Energy →
DUK
United States$74.2bn0.145%-0.128 pp+0.145 pp+24.6%No
Southern Company →
SO
United States$65.7bn0.128%-0.134 pp+0.128 pp+20.0%No
American Electric Power →
AEP
United States$42.1bn0.082%-0.085 pp+0.082 pp+9.6%No
Exelon →
EXC
United States$30.5bn0.060%-0.059 pp+0.059 pp+23.6%No
Public Service Enterprise Group →
PEG
United States$30.4bn0.059%-0.060 pp+0.059 pp+39.0%No
Eversource Energy →
ES
United States$29.7bn0.058%-0.062 pp+0.058 pp+13.9%No
WEC Energy Group →
WEC
United States$29.5bn0.058%-0.060 pp+0.058 pp+9.3%No
PPL Corporation →
PPL
United States$22.2bn0.043%-0.044 pp+0.043 pp+23.8%No
FirstEnergy →
FE
United States$18.8bn0.037%-0.030 pp+0.037 pp-9.1%No
Alliant Energy →
LNT
United States$13.5bn0.026%-0.026 pp+0.026 pp+15.5%No
Evergy →
EVRG
United States$13.5bn0.026%-0.025 pp+0.026 pp+12.3%No
Entergy →
ETR
United States$10.0bn0.019%-0.021 pp+0.019 pp+9.9%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.