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›Oil & Gas Exploration & Production›Oil & Gas Exploration & Production

1 · Sector

Weight and 12M allocation change

Consumer Discretionary11.0%+3.61 pp Health Care17.7%+1.59 pp Energy3.6%+1.22 pp Consumer Staples7.8%+0.78 pp Utilities3.5%+0.51 pp Real Estate3.3%+0.14 pp Materials3.0%-0.15 pp Communication Services3.3%-1.01 pp Information Technology25.3%-2.16 pp Industrials9.6%-2.22 pp Financials12.0%-2.30 pp

2 · Industry

Inside Energy

Oil & Gas Exploration & Production1.27%+0.52 pp Integrated Oil & Gas1.11%+0.42 pp Oil & Gas Refining & Marketing0.51%+0.17 pp Oil & Gas Equipment & Services0.29%+0.07 pp Oil & Gas Storage & Transportation0.37%+0.04 pp

3 · Sub-industry

Inside Oil & Gas Exploration & Production

Oil & Gas Exploration & Production1.27%+0.522 pp

Concentrated

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

View all contributions →

Oil & Gas Exploration & Production · weight

1.27%

Industry change · 12M

+0.52 pp

Oil & Gas Exploration & Production · contribution

+0.522 pp

Company participation

67%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 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
ConocoPhillips → COP	United States	$130.3bn	0.512%	+0.060 pp	+0.193 pp	+58.4%	Yes
Occidental Petroleum → OXY	United States	$57.2bn	0.225%	+0.010 pp	+0.128 pp	+109.1%	Yes
EOG Resources → EOG	United States	$65.5bn	0.257%	+0.006 pp	+0.093 pp	+51.2%	Yes
Devon Energy → DVN	United States	$39.4bn	0.155%	+0.013 pp	+0.070 pp	+82.5%	Yes
Diamondback Energy → FANG	United States	$20.9bn	0.082%	-0.002 pp	+0.022 pp	+34.5%	No
APA Corporation → APA	United States	$11.2bn	0.044%	-0.002 pp	+0.015 pp	+61.6%	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.