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›Energy›Integrated Oil & Gas›Integrated Oil & Gas

1 · Sector

Weight and 12M allocation change

Information Technology41.9%+7.32 pp Energy2.5%+0.19 pp Consumer Discretionary11.8%-0.20 pp Materials2.0%-0.21 pp Communication Services2.4%-0.32 pp Real Estate2.0%-0.41 pp Utilities2.4%-0.43 pp Industrials9.6%-0.50 pp Health Care9.7%-1.47 pp Consumer Staples5.7%-1.52 pp Financials9.8%-2.46 pp

2 · Industry

Inside Energy

Integrated Oil & Gas0.63%+0.09 pp Oil & Gas Equipment & Services0.31%+0.08 pp Oil & Gas Refining & Marketing0.37%+0.07 pp Oil & Gas Storage & Transportation0.46%-0.04 pp Oil & Gas Exploration & Production0.77%-0.00 pp

3 · Sub-industry

Inside Integrated Oil & Gas

Integrated Oil & Gas0.63%+0.089 pp

Concentrated

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

View all contributions →

Integrated Oil & Gas · weight

0.63%

Industry change · 12M

+0.09 pp

Integrated Oil & Gas · contribution

+0.089 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 2026 · 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
Chevron Corporation → CVX	United States	$363.4bn	0.630%	+0.118 pp	+0.089 pp	+39.1%	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.