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 Discretionary10.2%+2.34 pp Energy4.0%+1.71 pp Health Care18.2%+1.50 pp Consumer Staples7.9%+0.78 pp Utilities3.6%+0.55 pp Industrials10.4%+0.39 pp Materials3.2%-0.09 pp Real Estate3.2%-0.18 pp Communication Services3.2%-0.49 pp Financials12.4%-0.57 pp Information Technology23.8%-5.95 pp

2 · Industry

Inside Energy

Oil & Gas Exploration & Production1.34%+0.60 pp Integrated Oil & Gas1.25%+0.53 pp Oil & Gas Refining & Marketing0.55%+0.22 pp Oil & Gas Equipment & Services0.40%+0.20 pp Oil & Gas Storage & Transportation0.46%+0.16 pp

3 · Sub-industry

Inside Oil & Gas Exploration & Production

Oil & Gas Exploration & Production1.34%+0.595 pp

Concentrated

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

View all contributions →

Oil & Gas Exploration & Production · weight

1.34%

Industry change · 12M

+0.60 pp

Oil & Gas Exploration & Production · contribution

+0.595 pp

Company participation

71%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 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	$147.0bn	0.531%	+0.019 pp	+0.226 pp	+71.7%	Yes
Occidental Petroleum → OXY	United States	$57.3bn	0.207%	-0.018 pp	+0.120 pp	+119.1%	No
EOG Resources → EOG	United States	$76.1bn	0.275%	+0.017 pp	+0.108 pp	+56.9%	Yes
Devon Energy → DVN	United States	$40.2bn	0.145%	-0.010 pp	+0.050 pp	+50.9%	No
EQT Corporation → EQT	United States	$12.4bn	0.045%	+0.045 pp	+0.045 pp	+57.6%	Yes
Diamondback Energy → FANG	United States	$24.1bn	0.087%	+0.005 pp	+0.024 pp	+35.3%	Yes
APA Corporation → APA	United States	$15.0bn	0.054%	+0.010 pp	+0.023 pp	+76.4%	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.