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 Discretionary11.2%+3.78 pp Energy3.9%+1.03 pp Health Care16.9%+0.53 pp Utilities3.4%+0.25 pp Industrials10.1%+0.16 pp Real Estate3.3%+0.09 pp Materials3.3%+0.07 pp Consumer Staples7.4%+0.03 pp Communication Services3.4%-0.27 pp Financials12.7%-1.04 pp Information Technology24.5%-4.63 pp

2 · Industry

Inside Energy

Oil & Gas Exploration & Production1.31%+0.34 pp Integrated Oil & Gas1.15%+0.30 pp Oil & Gas Refining & Marketing0.55%+0.17 pp Oil & Gas Equipment & Services0.41%+0.13 pp Oil & Gas Storage & Transportation0.44%+0.09 pp

3 · Sub-industry

Inside Oil & Gas Exploration & Production

Oil & Gas Exploration & Production1.31%+0.343 pp

Concentrated

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

View all contributions →

Oil & Gas Exploration & Production · weight

1.31%

Industry change · 12M

+0.34 pp

Oil & Gas Exploration & Production · contribution

+0.343 pp

Company participation

29%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 2023 · 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	$151.9bn	0.520%	-0.050 pp	+0.127 pp	+44.4%	No
Occidental Petroleum → OXY	United States	$58.9bn	0.202%	-0.038 pp	+0.083 pp	+73.4%	No
EOG Resources → EOG	United States	$77.7bn	0.266%	-0.018 pp	+0.046 pp	+27.5%	No
EQT Corporation → EQT	United States	$12.0bn	0.041%	-0.013 pp	+0.041 pp	+56.2%	Yes
Devon Energy → DVN	United States	$41.3bn	0.141%	-0.038 pp	+0.026 pp	+35.1%	No
Diamondback Energy → FANG	United States	$25.7bn	0.088%	-0.009 pp	+0.011 pp	+23.6%	Yes
APA Corporation → APA	United States	$14.3bn	0.049%	-0.004 pp	+0.008 pp	+35.9%	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.