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
1.71%
Industry change · 12M
+0.29 pp
Electric Utilities · contribution
+0.295 pp
Company participation
7%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2022 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Constellation Energy →
CEG
United States$27.2bn0.107%+0.034 pp+0.107 pp+0.0%Yes
Southern Company →
SO
United States$72.3bn0.284%-0.011 pp+0.054 pp+14.1%No
American Electric Power →
AEP
United States$44.4bn0.175%-0.017 pp+0.032 pp+10.1%No
Exelon →
EXC
United States$36.7bn0.144%-0.028 pp+0.026 pp+11.9%No
Duke Energy →
DUK
United States$71.6bn0.281%-0.040 pp+0.018 pp-1.0%No
FirstEnergy →
FE
United States$21.1bn0.083%-0.002 pp+0.015 pp+7.9%No
WEC Energy Group →
WEC
United States$28.2bn0.111%-0.013 pp+0.013 pp+4.4%No
Edison International →
EIX
United States$21.6bn0.085%-0.009 pp+0.011 pp+6.5%No
Eversource Energy →
ES
United States$27.0bn0.106%-0.007 pp+0.007 pp-1.8%No
Entergy →
ETR
United States$10.2bn0.040%-0.004 pp+0.005 pp+5.0%No
Evergy →
EVRG
United States$13.6bn0.054%-0.005 pp+0.004 pp-1.1%No
Alliant Energy →
LNT
United States$13.3bn0.052%-0.005 pp+0.003 pp-2.6%No
Public Service Enterprise Group →
PEG
United States$28.1bn0.110%-0.013 pp+0.002 pp-4.7%No
PPL Corporation →
PPL
United States$18.7bn0.073%-0.004 pp-0.002 pp-5.5%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.