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
2.14%
Industry change · 12M
+0.32 pp
Electric Utilities · contribution
+0.318 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 2019 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Evergy →
EVRG
United States$14.8bn0.085%+0.031 pp+0.085 pp+13.9%Yes
Duke Energy →
DUK
United States$65.4bn0.376%+0.156 pp+0.043 pp+21.4%Yes
Exelon →
EXC
United States$34.7bn0.199%+0.088 pp+0.034 pp+32.6%Yes
Southern Company →
SO
United States$53.5bn0.307%+0.146 pp+0.031 pp+21.9%Yes
American Electric Power →
AEP
United States$41.3bn0.237%+0.106 pp+0.030 pp+26.5%Yes
FirstEnergy →
FE
United States$22.1bn0.127%+0.058 pp+0.027 pp+27.4%Yes
WEC Energy Group →
WEC
United States$24.9bn0.143%+0.065 pp+0.022 pp+30.3%Yes
Public Service Enterprise Group →
PEG
United States$30.0bn0.172%+0.078 pp+0.017 pp+22.3%Yes
Eversource Energy →
ES
United States$22.5bn0.129%+0.056 pp+0.015 pp+24.3%Yes
Edison International →
EIX
United States$20.2bn0.116%+0.050 pp-0.011 pp+1.1%Yes
PPL Corporation →
PPL
United States$22.9bn0.131%+0.059 pp+0.011 pp+18.6%Yes
Entergy →
ETR
United States$9.1bn0.052%+0.024 pp+0.008 pp+26.7%Yes
Alliant Energy →
LNT
United States$11.1bn0.064%+0.028 pp+0.006 pp+19.1%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.