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›Gas Utilities›Gas Utilities

1 · Sector

Weight and 12M allocation change

Industrials10.8%+1.00 pp Consumer Discretionary12.0%+1.00 pp Financials11.9%+0.68 pp Information Technology27.8%+0.62 pp Consumer Staples7.8%+0.06 pp Materials2.9%-0.19 pp Energy3.3%-0.23 pp Real Estate2.6%-0.43 pp Communication Services2.7%-0.45 pp Utilities2.9%-0.48 pp Health Care15.3%-1.58 pp

2 · Industry

Inside Utilities

Multi-Utilities1.25%-0.26 pp Electric Utilities1.41%-0.19 pp Water Utilities0.07%-0.03 pp Gas Utilities0.05%-0.00 pp Independent Power Producers & Energy Traders0.08%+0.00 pp

3 · Sub-industry

Inside Gas Utilities

Gas Utilities0.05%-0.004 pp

Concentrated

Most of this industry's losses came from a few companies.

View all contributions →

Gas Utilities · weight

0.05%

Industry change · 12M

-0.00 pp

Gas Utilities · contribution

-0.004 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 2024 · 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
Atmos Energy → ATO	United States	$17.8bn	0.052%	+0.001 pp	-0.004 pp	+6.1%	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.