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

Latest available · not live

20182026

Universe›Utilities›Electric Utilities›Electric Utilities

1 · Sector

Weight and 12M allocation change

Information Technology43.1%+4.93 pp Energy3.8%+1.55 pp Health Care10.6%+0.26 pp Materials1.9%-0.22 pp Communication Services2.1%-0.27 pp Real Estate1.8%-0.35 pp Industrials9.1%-0.58 pp Utilities2.1%-0.61 pp Consumer Staples5.4%-0.78 pp Consumer Discretionary10.3%-1.78 pp Financials9.7%-2.16 pp

2 · Industry

Inside Utilities

Electric Utilities1.12%-0.35 pp Multi-Utilities0.85%-0.21 pp Independent Power Producers & Energy Traders0.05%-0.03 pp Water Utilities0.04%-0.01 pp Gas Utilities0.04%-0.01 pp

3 · Sub-industry

Inside Electric Utilities

Electric Utilities1.12%-0.347 pp

Broad

The loss is shared across much of the industry.

View all contributions →

Electric Utilities · weight

1.12%

Industry change · 12M

-0.35 pp

Electric Utilities · contribution

-0.347 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2026 · sorted by absolute contribution to 12-month change

Company	Country	Market cap	Universe weight	3M contribution	12M contribution	12M price return	Above 6M weight average
Vistra Corp. → VST	United States	$46.4bn	0.078%	-0.015 pp	-0.055 pp	-29.0%	No
Constellation Energy → CEG	United States	$90.0bn	0.151%	-0.005 pp	-0.055 pp	-22.4%	No
Southern Company → SO	United States	$93.4bn	0.157%	-0.031 pp	-0.052 pp	-9.6%	No
Duke Energy → DUK	United States	$88.9bn	0.149%	-0.022 pp	-0.043 pp	-4.6%	No
Public Service Enterprise Group → PEG	United States	$33.6bn	0.056%	-0.014 pp	-0.027 pp	-16.5%	No
Exelon → EXC	United States	$41.3bn	0.069%	-0.013 pp	-0.022 pp	-6.9%	No
WEC Energy Group → WEC	United States	$32.8bn	0.055%	-0.011 pp	-0.019 pp	-9.0%	No
PPL Corporation → PPL	United States	$24.7bn	0.042%	-0.006 pp	-0.013 pp	-8.6%	No
Eversource Energy → ES	United States	$24.2bn	0.041%	-0.007 pp	-0.012 pp	-5.6%	No
American Electric Power → AEP	United States	$64.6bn	0.108%	-0.021 pp	-0.012 pp	+8.7%	No
FirstEnergy → FE	United States	$25.1bn	0.042%	-0.006 pp	-0.011 pp	-1.6%	No
Edison International → EIX	United States	$20.7bn	0.035%	-0.015 pp	-0.008 pp	+2.6%	No
Alliant Energy → LNT	United States	$16.3bn	0.027%	-0.007 pp	-0.007 pp	-3.2%	No
Entergy → ETR	United States	$45.4bn	0.076%	-0.015 pp	-0.007 pp	+9.2%	No
Evergy → EVRG	United States	$18.1bn	0.030%	-0.004 pp	-0.005 pp	+6.8%	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.