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
1.77%
Industry change · 12M
+0.33 pp
Electric Utilities · contribution
+0.329 pp
Company participation
57%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Constellation Energy →
CEG
United States$26.7bn0.095%+0.022 pp+0.095 pp+0.0%Yes
Southern Company →
SO
United States$81.9bn0.293%+0.004 pp+0.060 pp+21.9%Yes
Exelon →
EXC
United States$43.1bn0.154%-0.019 pp+0.040 pp+29.4%No
American Electric Power →
AEP
United States$51.5bn0.184%-0.004 pp+0.034 pp+15.7%Yes
Duke Energy →
DUK
United States$82.3bn0.295%-0.017 pp+0.025 pp+6.1%No
Edison International →
EIX
United States$25.8bn0.093%-0.003 pp+0.019 pp+22.3%No
WEC Energy Group →
WEC
United States$32.5bn0.116%-0.003 pp+0.017 pp+12.5%Yes
FirstEnergy →
FE
United States$22.6bn0.081%-0.007 pp+0.010 pp+5.7%No
Eversource Energy →
ES
United States$31.1bn0.111%-0.003 pp+0.007 pp+1.7%Yes
Public Service Enterprise Group →
PEG
United States$32.1bn0.115%-0.008 pp+0.007 pp+3.9%No
Entergy →
ETR
United States$11.7bn0.042%-0.002 pp+0.005 pp+8.1%No
Alliant Energy →
LNT
United States$15.3bn0.055%-0.003 pp+0.004 pp+3.3%Yes
Evergy →
EVRG
United States$15.7bn0.056%-0.002 pp+0.004 pp+3.6%Yes
PPL Corporation →
PPL
United States$21.4bn0.077%-0.003 pp+0.001 pp+3.6%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.