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

Information Technology29.1%+12.97 pp Health Care16.4%+6.67 pp Financials13.7%+6.01 pp Industrials10.0%+3.06 pp Consumer Staples7.4%+3.04 pp Energy2.8%+1.70 pp Real Estate3.2%+1.49 pp Utilities3.1%+1.42 pp Materials3.2%+1.41 pp Communication Services3.7%+0.84 pp Consumer Discretionary7.5%-38.63 pp

2 · Industry

Inside Energy

Oil & Gas Exploration & Production0.96%+0.71 pp Integrated Oil & Gas0.85%+0.47 pp Oil & Gas Refining & Marketing0.39%+0.19 pp Oil & Gas Equipment & Services0.28%+0.17 pp Oil & Gas Storage & Transportation0.35%+0.17 pp

3 · Sub-industry

Inside Oil & Gas Exploration & Production

Oil & Gas Exploration & Production0.96%+0.708 pp

Concentrated

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

View all contributions →

Oil & Gas Exploration & Production · weight

0.96%

Industry change · 12M

+0.71 pp

Oil & Gas Exploration & Production · contribution

+0.708 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 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	$116.9bn	0.393%	+0.060 pp	+0.290 pp	+128.9%	Yes
EOG Resources → EOG	United States	$65.2bn	0.219%	+0.039 pp	+0.148 pp	+131.9%	Yes
Devon Energy → DVN	United States	$34.2bn	0.115%	+0.025 pp	+0.100 pp	+226.3%	Yes
Occidental Petroleum → OXY	United States	$35.2bn	0.118%	+0.014 pp	+0.074 pp	+88.1%	Yes
Diamondback Energy → FANG	United States	$22.9bn	0.077%	+0.012 pp	+0.055 pp	+127.2%	Yes
APA Corporation → APA	United States	$12.1bn	0.041%	+0.007 pp	+0.041 pp	+134.7%	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.