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 Discretionary11.6%+3.82 pp Energy4.1%+1.64 pp Health Care17.5%+1.01 pp Consumer Staples7.7%+0.70 pp Utilities3.4%+0.36 pp Real Estate3.1%-0.10 pp Materials2.9%-0.29 pp Industrials9.8%-0.41 pp Communication Services3.3%-0.64 pp Financials12.1%-2.06 pp Information Technology24.5%-4.05 pp

2 · Industry

Inside Energy

Oil & Gas Exploration & Production1.48%+0.67 pp Integrated Oil & Gas1.26%+0.52 pp Oil & Gas Refining & Marketing0.55%+0.20 pp Oil & Gas Equipment & Services0.38%+0.15 pp Oil & Gas Storage & Transportation0.44%+0.10 pp

3 · Sub-industry

Inside Oil & Gas Exploration & Production

Oil & Gas Exploration & Production1.48%+0.670 pp

Concentrated

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

View all contributions →

Oil & Gas Exploration & Production · weight

1.48%

Industry change · 12M

+0.67 pp

Oil & Gas Exploration & Production · contribution

+0.670 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 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	$160.5bn	0.570%	+0.137 pp	+0.236 pp	+76.5%	Yes
Occidental Petroleum → OXY	United States	$67.6bn	0.240%	+0.028 pp	+0.135 pp	+118.0%	Yes
EOG Resources → EOG	United States	$80.0bn	0.284%	+0.060 pp	+0.104 pp	+60.7%	Yes
Devon Energy → DVN	United States	$50.6bn	0.180%	+0.037 pp	+0.089 pp	+108.0%	Yes
EQT Corporation → EQT	United States	$15.4bn	0.054%	+0.054 pp	+0.054 pp	+112.8%	Yes
Diamondback Energy → FANG	United States	$27.2bn	0.097%	+0.019 pp	+0.032 pp	+55.0%	Yes
APA Corporation → APA	United States	$14.8bn	0.053%	+0.009 pp	+0.020 pp	+76.3%	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.