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
1.01%
Industry change · 12M
-0.69 pp
Electric Utilities · contribution
-0.690 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jul 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Duke Energy →
DUK
United States$72.1bn0.157%-0.100 pp-0.134 pp-11.4%No
Southern Company →
SO
United States$78.9bn0.172%-0.099 pp-0.109 pp-2.2%No
American Electric Power →
AEP
United States$43.7bn0.095%-0.065 pp-0.079 pp-10.9%No
Exelon →
EXC
United States$41.6bn0.091%-0.052 pp-0.066 pp-6.9%No
WEC Energy Group →
WEC
United States$28.3bn0.062%-0.041 pp-0.051 pp-10.7%No
Eversource Energy →
ES
United States$25.2bn0.055%-0.036 pp-0.050 pp-15.3%No
Public Service Enterprise Group →
PEG
United States$31.5bn0.069%-0.038 pp-0.044 pp-0.4%No
FirstEnergy →
FE
United States$22.6bn0.049%-0.028 pp-0.032 pp-0.2%No
PPL Corporation →
PPL
United States$20.3bn0.044%-0.027 pp-0.029 pp-2.1%No
Edison International →
EIX
United States$27.6bn0.060%-0.035 pp-0.029 pp+11.0%No
Evergy →
EVRG
United States$13.8bn0.030%-0.018 pp-0.024 pp-8.6%No
Alliant Energy →
LNT
United States$13.5bn0.029%-0.017 pp-0.023 pp-8.8%No
Entergy →
ETR
United States$10.9bn0.024%-0.015 pp-0.017 pp-7.3%No
Constellation Energy →
CEG
United States$31.4bn0.068%-0.017 pp-0.006 pp+47.8%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.