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
2.21%
Industry change · 12M
+1.18 pp
Electric Utilities · contribution
+1.181 pp
Company participation
92%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Southern Company →
SO
United States$64.6bn0.343%+0.033 pp+0.202 pp+48.6%Yes
Duke Energy →
DUK
United States$69.8bn0.371%+0.025 pp+0.189 pp+25.0%Yes
American Electric Power →
AEP
United States$46.3bn0.246%+0.012 pp+0.134 pp+36.6%Yes
WEC Energy Group →
WEC
United States$30.0bn0.159%+0.018 pp+0.092 pp+46.8%Yes
Eversource Energy →
ES
United States$27.7bn0.147%+0.017 pp+0.085 pp+43.2%Yes
Exelon →
EXC
United States$33.5bn0.178%-0.001 pp+0.082 pp+14.1%No
Public Service Enterprise Group →
PEG
United States$31.4bn0.167%+0.006 pp+0.082 pp+21.4%Yes
FirstEnergy →
FE
United States$25.7bn0.136%+0.014 pp+0.079 pp+34.7%Yes
Edison International →
EIX
United States$24.6bn0.131%+0.012 pp+0.060 pp+15.7%Yes
PPL Corporation →
PPL
United States$22.7bn0.121%+0.000 pp+0.056 pp+13.5%Yes
Evergy →
EVRG
United States$15.7bn0.083%+0.004 pp+0.045 pp+25.1%Yes
Entergy →
ETR
United States$11.7bn0.062%+0.009 pp+0.039 pp+50.4%Yes
Alliant Energy →
LNT
United States$12.8bn0.068%+0.005 pp+0.036 pp+30.6%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.