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 Technology28.6%+15.12 pp Health Care17.0%+8.92 pp Financials12.8%+5.42 pp Consumer Staples7.5%+3.67 pp Industrials10.3%+3.67 pp Energy3.3%+2.11 pp Real Estate3.4%+1.82 pp Utilities3.4%+1.74 pp Materials3.3%+1.63 pp Communication Services3.6%+1.16 pp Consumer Discretionary7.0%-45.25 pp

2 · Industry

Inside Energy

Oil & Gas Exploration & Production1.11%+0.79 pp Integrated Oil & Gas1.07%+0.67 pp Oil & Gas Refining & Marketing0.43%+0.24 pp Oil & Gas Storage & Transportation0.39%+0.21 pp Oil & Gas Equipment & Services0.31%+0.20 pp

3 · Sub-industry

Inside Oil & Gas Exploration & Production

Oil & Gas Exploration & Production1.11%+0.790 pp

Concentrated

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

View all contributions →

Oil & Gas Exploration & Production · weight

1.11%

Industry change · 12M

+0.79 pp

Oil & Gas Exploration & Production · contribution

+0.790 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 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	$130.0bn	0.437%	+0.132 pp	+0.297 pp	+95.0%	Yes
EOG Resources → EOG	United States	$69.8bn	0.235%	+0.068 pp	+0.152 pp	+75.8%	Yes
Occidental Petroleum → OXY	United States	$53.0bn	0.178%	+0.092 pp	+0.130 pp	+113.9%	Yes
Devon Energy → DVN	United States	$39.3bn	0.132%	+0.037 pp	+0.103 pp	+188.7%	Yes
Diamondback Energy → FANG	United States	$24.3bn	0.082%	+0.019 pp	+0.059 pp	+90.2%	Yes
APA Corporation → APA	United States	$14.3bn	0.048%	+0.017 pp	+0.048 pp	+133.0%	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.