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
1.83%
Industry change · 12M
-0.33 pp
Electric Utilities · contribution
-0.325 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 2020 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
FirstEnergy →
FE
United States$16.1bn0.076%+0.076 pp-0.058 pp-36.1%Yes
Southern Company →
SO
United States$60.7bn0.287%+0.287 pp-0.055 pp-4.3%Yes
Duke Energy →
DUK
United States$67.7bn0.321%+0.320 pp-0.037 pp+2.1%Yes
Exelon →
EXC
United States$27.7bn0.131%+0.131 pp-0.033 pp-9.0%Yes
American Electric Power →
AEP
United States$44.6bn0.211%+0.211 pp-0.032 pp-1.7%Yes
Public Service Enterprise Group →
PEG
United States$29.4bn0.139%+0.139 pp-0.028 pp-4.8%Yes
PPL Corporation →
PPL
United States$21.1bn0.100%+0.100 pp-0.026 pp-13.3%Yes
Evergy →
EVRG
United States$12.5bn0.059%+0.059 pp-0.019 pp-10.7%Yes
Edison International →
EIX
United States$21.2bn0.100%+0.100 pp-0.017 pp-6.9%Yes
Entergy →
ETR
United States$10.1bn0.048%+0.048 pp-0.015 pp-13.8%Yes
WEC Energy Group →
WEC
United States$31.7bn0.150%+0.150 pp-0.005 pp+9.5%Yes
Alliant Energy →
LNT
United States$13.8bn0.065%+0.065 pp-0.001 pp+6.6%Yes
Eversource Energy →
ES
United States$29.9bn0.142%+0.141 pp+0.000 pp+7.0%Yes

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.