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
1.16%
Industry change · 12M
-0.55 pp
Electric Utilities · contribution
-0.554 pp
Company participation
8%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Nov 2018 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Duke Energy →
DUK
United States$63.1bn0.210%+0.023 pp-0.104 pp+18.1%No
Southern Company →
SO
United States$48.7bn0.162%+0.018 pp-0.096 pp+10.6%No
American Electric Power →
AEP
United States$38.3bn0.127%+0.013 pp-0.066 pp+17.2%No
Edison International →
EIX
United States$18.0bn0.060%-0.009 pp-0.056 pp-9.0%No
Public Service Enterprise Group →
PEG
United States$28.3bn0.094%+0.008 pp-0.056 pp+10.7%No
Evergy →
EVRG
United States$15.6bn0.052%+0.012 pp+0.052 pp+18.6%Yes
PPL Corporation →
PPL
United States$22.0bn0.073%+0.006 pp-0.052 pp+0.3%No
Exelon →
EXC
United States$32.0bn0.106%+0.009 pp-0.044 pp+24.6%No
Eversource Energy →
ES
United States$21.7bn0.072%+0.008 pp-0.042 pp+11.2%No
WEC Energy Group →
WEC
United States$22.9bn0.076%+0.007 pp-0.040 pp+16.6%No
FirstEnergy →
FE
United States$19.3bn0.064%+0.006 pp-0.019 pp+19.9%No
Alliant Energy →
LNT
United States$10.7bn0.036%+0.003 pp-0.017 pp+16.9%No
Entergy →
ETR
United States$7.9bn0.026%+0.002 pp-0.014 pp+15.7%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.