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 Technology40.9%+4.04 pp Energy3.9%+1.55 pp Health Care10.6%+0.01 pp Communication Services2.3%-0.19 pp Materials2.0%-0.23 pp Real Estate1.9%-0.31 pp Industrials9.3%-0.48 pp Utilities2.2%-0.48 pp Consumer Staples5.5%-0.92 pp Consumer Discretionary10.8%-1.27 pp Financials10.5%-1.72 pp

2 · Industry

Inside Energy

Integrated Oil & Gas1.78%+1.21 pp Oil & Gas Refining & Marketing0.51%+0.19 pp Oil & Gas Equipment & Services0.30%+0.07 pp Oil & Gas Exploration & Production0.84%+0.06 pp Oil & Gas Storage & Transportation0.48%+0.03 pp

3 · Sub-industry

Inside Integrated Oil & Gas

Integrated Oil & Gas1.78%+1.205 pp

Concentrated

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

View all contributions →

Integrated Oil & Gas · weight

1.78%

Industry change · 12M

+1.21 pp

Integrated Oil & Gas · contribution

+1.205 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Aug 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
ExxonMobil → XOM	United States	$661.8bn	1.102%	+1.102 pp	+1.102 pp	+44.9%	Yes
Chevron Corporation → CVX	United States	$407.3bn	0.678%	+0.049 pp	+0.103 pp	+33.4%	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.