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

Health Care17.6%+1.90 pp Energy4.0%+1.62 pp Information Technology26.9%+1.35 pp Utilities3.6%+0.53 pp Consumer Staples7.7%+0.52 pp Real Estate3.4%+0.27 pp Materials3.5%-0.04 pp Consumer Discretionary6.7%-0.71 pp Communication Services3.8%-0.73 pp Financials12.8%-1.90 pp Industrials10.0%-2.80 pp

2 · Industry

Inside Utilities

Electric Utilities1.82%+0.34 pp Multi-Utilities1.55%+0.17 pp Gas Utilities0.06%+0.01 pp Independent Power Producers & Energy Traders0.09%+0.00 pp Water Utilities0.10%-0.00 pp

3 · Sub-industry

Inside Gas Utilities

Gas Utilities0.06%+0.012 pp

Concentrated

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

View all contributions →

Gas Utilities · weight

0.06%

Industry change · 12M

+0.01 pp

Gas Utilities · contribution

+0.012 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 2022 · 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	$16.2bn	0.058%	+0.007 pp	+0.012 pp	+20.4%	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.