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

Materials32.5%+2.94 pp Financials8.1%+0.31 pp Consumer Staples5.2%+0.08 pp Industrials7.1%-0.13 pp Information Technology20.9%-0.23 pp Utilities1.9%-0.23 pp Energy2.1%-0.24 pp Communication Services1.8%-0.26 pp Real Estate1.8%-0.29 pp Consumer Discretionary8.2%-0.72 pp Health Care10.3%-1.24 pp

2 · Industry

Inside Utilities

Multi-Utilities0.83%-0.15 pp Electric Utilities0.98%-0.05 pp Water Utilities0.05%-0.02 pp Gas Utilities0.03%-0.01 pp Independent Power Producers & Energy Traders0.05%+0.00 pp

3 · Sub-industry

Inside Gas Utilities

Gas Utilities0.03%-0.006 pp

Concentrated

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

View all contributions →

Gas Utilities · weight

0.03%

Industry change · 12M

-0.01 pp

Gas Utilities · contribution

-0.006 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jun 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	$17.6bn	0.033%	-0.017 pp	-0.006 pp	+3.1%	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.