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

Consumer Discretionary53.6%+53.57 pp Information Technology13.3%+13.32 pp Health Care7.9%+7.89 pp Financials7.2%+7.19 pp Industrials6.2%+6.17 pp Consumer Staples3.6%+3.57 pp Communication Services2.4%+2.43 pp Materials1.6%+1.59 pp Real Estate1.5%+1.47 pp Energy1.2%+1.18 pp Utilities1.5%-98.38 pp

2 · Industry

Inside Utilities

Electric Utilities0.72%-99.20 pp Multi-Utilities0.70%+0.70 pp Independent Power Producers & Energy Traders0.05%+0.05 pp Water Utilities0.05%+0.05 pp Gas Utilities0.02%+0.02 pp

3 · Sub-industry

Inside Gas Utilities

Gas Utilities0.02%+0.022 pp

Concentrated

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

View all contributions →

Gas Utilities · weight

0.02%

Industry change · 12M

+0.02 pp

Gas Utilities · contribution

+0.022 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 2021 · 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	$10.8bn	0.022%	-0.030 pp	+0.022 pp	-16.0%	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.