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Observatory · observe first

Electric Utilities

Electric Utilities is losing market weight. Gained weight for 1 consecutive month.

Historical time machine
Historical observation
20182026
Declining fasterBroad

The loss is shared across much of the industry.

Universe weight
1.11%
$0.76T
12-month change
-0.42 pp
6-month change
-0.36 pp
3-month change
-0.28 pp
Company participation
0%
above their 6M weight average

Where did the weight change come from?

12-month contribution in universe percentage points · contributions add to the industry change

Company attribution
All other companies-0.337 pp
Industry total-0.419 pp

The three largest same-direction contributors explain 47% of gross losses. Opposing contributions can make an individual company’s change larger than the industry’s net change.

How has it moved through history?

Share of matched S&P 500 members

Apr 2021 – Mar 2026 · market weight (%)

1.01.41.820222023202420252026

Relative performance

Industry return versus ACWI · no future data shown

9411213120222023202420252026

Is participation broad or concentrated?

Actual constituent counts at this date, not the legacy synthetic breadth proxy

Above their 3M universe-weight average0%
Above their 6M universe-weight average0%
Above their 12M universe-weight average0%
Top 5 share of current industry market cap56.9%

This is size concentration, not contribution to the 12-month change. The attribution above measures the latter.

Evidence can disagree

Independent dimensions · no combined score or bullish/bearish verdict

Allocation · 12M-0.42 pp
Relative strength · 12M-2.4%
Price index return · 12M+17.9%
Earnings revisions · unavailable0.0
Allocation lost weight while relative performance fell. Fewer than half of constituents are above their 6M weight average. These observations need not agree.
Other evidence and availability

Valuation data: unavailable; shown as zero placeholder.

Attention data: unavailable; shown as zero placeholder.

Actual fund flows: unavailable. No ETF, mutual-fund or institutional flow feed is connected.

Volume / turnover: unavailable in this dataset.

Follow the contribution to individual companies

Sorted by absolute 12-month weight contribution, not investment merit

CompanySub-industryCountryUniverse weight12M contribution12M price returnRevisions
Southern Company →
SO
Electric UtilitiesUnited States0.157%-0.082 pp+8.4%0.0
Duke Energy →
DUK
Electric UtilitiesUnited States0.148%-0.077 pp+11.2%0.0
Public Service Enterprise Group →
PEG
Electric UtilitiesUnited States0.059%-0.039 pp+1.5%0.0
Exelon →
EXC
Electric UtilitiesUnited States0.073%-0.037 pp+10.2%0.0
American Electric Power →
AEP
Electric UtilitiesUnited States0.103%-0.035 pp+24.0%0.0
WEC Energy Group →
WEC
Electric UtilitiesUnited States0.055%-0.027 pp+9.8%0.0
PPL Corporation →
PPL
Electric UtilitiesUnited States0.042%-0.022 pp+9.2%0.0
Vistra Corp. →
VST
Electric UtilitiesUnited States0.074%-0.021 pp+28.7%0.0
Eversource Energy →
ES
Electric UtilitiesUnited States0.038%-0.016 pp+16.7%0.0
Entergy →
ETR
Electric UtilitiesUnited States0.074%-0.013 pp+35.0%0.0
Edison International →
EIX
Electric UtilitiesUnited States0.041%-0.013 pp+32.0%0.0
FirstEnergy →
FE
Electric UtilitiesUnited States0.043%-0.013 pp+30.4%0.0
Alliant Energy →
LNT
Electric UtilitiesUnited States0.027%-0.012 pp+15.1%0.0
Evergy →
EVRG
Electric UtilitiesUnited States0.027%-0.010 pp+23.3%0.0
Constellation Energy →
CEG
Electric UtilitiesUnited States0.147%-0.003 pp+39.2%0.0
Underlying monthly industry observations
MonthWeight1M change3M change6M change12M changeRelative return · 12M
Mar 20261.108%+0.017 pp-0.277 pp-0.357 pp-0.419 pp-2.4%
Feb 20261.092%-0.251 pp-0.372 pp-0.372 pp-0.364 pp-1.8%
Jan 20261.343%-0.042 pp-0.125 pp-0.199 pp-0.062 pp-9.6%
Dec 20251.385%-0.079 pp-0.080 pp-0.109 pp+0.039 pp-3.3%
Nov 20251.464%-0.004 pp+0.000 pp-0.071 pp+0.029 pp-3.6%
Oct 20251.468%+0.003 pp-0.074 pp-0.094 pp-0.013 pp-3.8%
Sep 20251.465%+0.002 pp-0.029 pp-0.062 pp-0.005 pp-2.0%
Aug 20251.463%-0.078 pp-0.071 pp+0.007 pp+0.056 pp+3.9%
Jul 20251.542%+0.048 pp-0.020 pp+0.136 pp+0.540 pp+12.7%
Jun 20251.494%-0.041 pp-0.033 pp+0.148 pp+0.511 pp+13.3%
May 20251.535%-0.027 pp+0.079 pp+0.100 pp+0.480 pp+8.0%
Apr 20251.562%+0.035 pp+0.156 pp+0.081 pp+0.156 pp+12.1%
Mar 20251.527%+0.071 pp+0.181 pp+0.057 pp+0.195 pp+16.6%
Feb 20251.456%+0.051 pp+0.021 pp+0.049 pp+0.151 pp+16.3%
Jan 20251.405%+0.060 pp-0.075 pp+0.403 pp+0.102 pp+15.5%
Dec 20241.346%-0.089 pp-0.124 pp+0.363 pp+0.004 pp+8.7%
Nov 20241.435%-0.046 pp+0.027 pp+0.380 pp+0.041 pp+11.4%
Oct 20241.481%+0.011 pp+0.479 pp+0.076 pp+0.028 pp+7.9%
Sep 20241.470%+0.063 pp+0.488 pp+0.138 pp+0.071 pp+10.9%
Aug 20241.408%+0.405 pp+0.353 pp+0.102 pp+0.017 pp+5.0%
Jul 20241.002%+0.020 pp-0.403 pp-0.302 pp-0.003 pp+0.7%
Jun 20240.983%-0.072 pp-0.350 pp-0.359 pp-0.054 pp-4.7%
May 20241.055%-0.350 pp-0.251 pp-0.339 pp-0.030 pp-1.2%
Apr 20241.405%+0.073 pp+0.101 pp-0.048 pp-0.188 pp-8.8%
Mar 20241.332%+0.027 pp-0.009 pp-0.067 pp-0.243 pp-12.4%
Feb 20241.306%+0.002 pp-0.088 pp-0.085 pp-0.243 pp-13.1%
Jan 20241.304%-0.038 pp-0.149 pp+0.298 pp-0.306 pp-15.3%
Dec 20231.341%-0.052 pp-0.058 pp+0.304 pp-0.376 pp-19.9%
Nov 20231.394%-0.059 pp+0.004 pp+0.309 pp-0.213 pp-12.2%
Oct 20231.453%+0.054 pp+0.448 pp-0.140 pp-0.116 pp-9.6%
Sep 20231.399%+0.009 pp+0.362 pp-0.176 pp-0.306 pp-17.7%
Aug 20231.390%+0.385 pp+0.306 pp-0.159 pp-0.377 pp-20.4%
Jul 20231.006%-0.032 pp-0.588 pp-0.604 pp-0.690 pp-14.7%
Jun 20231.037%-0.048 pp-0.538 pp-0.680 pp-0.792 pp-15.8%
May 20231.085%-0.509 pp-0.464 pp-0.522 pp-0.733 pp-11.6%
Apr 20231.594%+0.018 pp-0.016 pp+0.025 pp-0.177 pp-3.6%
Mar 20231.575%+0.026 pp-0.142 pp-0.131 pp-0.081 pp+3.5%
Feb 20231.549%-0.061 pp-0.058 pp-0.218 pp+0.007 pp+10.8%
Jan 20231.610%-0.107 pp+0.041 pp-0.086 pp+0.111 pp+13.7%
Dec 20221.717%+0.110 pp+0.011 pp-0.112 pp+0.283 pp+28.9%
Nov 20221.607%+0.038 pp-0.160 pp-0.211 pp+0.226 pp+29.0%
Oct 20221.569%-0.137 pp-0.127 pp-0.201 pp+0.165 pp+30.3%
Sep 20221.706%-0.061 pp-0.123 pp+0.049 pp+0.295 pp+35.4%
Aug 20221.767%+0.071 pp-0.051 pp+0.225 pp+0.329 pp+36.2%
Jul 20221.696%-0.133 pp-0.074 pp+0.197 pp+0.258 pp+30.8%
Jun 20221.829%+0.011 pp+0.172 pp+0.395 pp+0.415 pp+38.4%
May 20221.818%+0.048 pp+0.275 pp+0.437 pp+0.344 pp+31.3%
Apr 20221.770%+0.114 pp+0.272 pp+0.366 pp+0.247 pp+23.4%
Mar 20221.656%+0.114 pp+0.222 pp+0.246 pp+0.870 pp+14.4%
Feb 20221.542%+0.044 pp+0.161 pp+0.104 pp+0.821 pp+14.5%
Jan 20221.498%+0.064 pp+0.095 pp+0.061 pp+0.586 pp+5.8%
Dec 20211.434%+0.053 pp+0.023 pp+0.020 pp-0.139 pp-0.2%
Nov 20211.381%-0.022 pp-0.057 pp-0.093 pp-0.265 pp-9.3%
Oct 20211.404%-0.007 pp-0.034 pp-0.120 pp-0.427 pp-18.4%
Sep 20211.411%-0.027 pp-0.003 pp+0.624 pp+1.409 pp-10.8%
Aug 20211.438%+0.001 pp-0.035 pp+0.717 pp+1.437 pp-3.6%
Jul 20211.438%+0.024 pp-0.086 pp+0.525 pp+1.436 pp-13.8%
Jun 20211.414%-0.060 pp+0.627 pp-0.159 pp+1.412 pp-16.8%
May 20211.474%-0.050 pp+0.753 pp-0.173 pp+1.472 pp-21.0%
Apr 20211.523%+0.737 pp+0.611 pp-0.308 pp-0.534 pp-20.2%
How are these descriptive states defined?

Gaining / losing: 12-month weight change above +0.005pp / below −0.005pp. Direction and speed are separate dimensions, not mutually exclusive recommendations.

Accelerating / slowing: compare the most recent 3M change with the preceding 3M change. Accelerating means a positive change speeds up by >0.02pp. Slowing means the magnitude of movement declines by >0.02pp. A falling industry can also slow.

Reversing: the last two 3M changes have opposite signs, outside a ±0.005pp tolerance. Persistence counts consecutive same-direction monthly changes.

Broad / concentrated: company attribution, not a market-cap concentration shortcut. Concentrated means the three largest same-direction contributors account for ≥70% of gross same-direction changes; otherwise broad requires ≥60% of constituents moving with the industry. Other cases are mixed.

Weights use matched S&P 500 members’ market-cap estimates, based on SEC-reported shares available by each month-end and monthly closing prices. Companies without a matched price or share record are omitted, so the denominator is the matched sample rather than every index member. These are not official float-adjusted S&P weights. Flow is not measured.