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%+15.24 pp Health Care16.6%+8.70 pp Financials13.3%+6.14 pp Industrials10.2%+4.03 pp Consumer Staples7.5%+3.95 pp Energy3.1%+1.92 pp Real Estate3.2%+1.74 pp Utilities3.2%+1.64 pp Materials3.2%+1.62 pp Communication Services3.9%+1.42 pp Consumer Discretionary7.2%-46.41 pp

2 · Industry

Inside Energy

Oil & Gas Exploration & Production1.07%+0.75 pp Integrated Oil & Gas0.97%+0.59 pp Oil & Gas Storage & Transportation0.37%+0.21 pp Oil & Gas Refining & Marketing0.40%+0.19 pp Oil & Gas Equipment & Services0.30%+0.18 pp

3 · Sub-industry

Inside Oil & Gas Exploration & Production

Oil & Gas Exploration & Production1.07%+0.751 pp

Concentrated

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

View all contributions →

Oil & Gas Exploration & Production · weight

1.07%

Industry change · 12M

+0.75 pp

Oil & Gas Exploration & Production · contribution

+0.751 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 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	$123.3bn	0.428%	+0.115 pp	+0.287 pp	+87.8%	Yes
EOG Resources → EOG	United States	$67.3bn	0.233%	+0.061 pp	+0.158 pp	+88.7%	Yes
Devon Energy → DVN	United States	$39.6bn	0.137%	+0.041 pp	+0.108 pp	+193.6%	Yes
Occidental Petroleum → OXY	United States	$40.8bn	0.142%	+0.048 pp	+0.092 pp	+64.6%	Yes
Diamondback Energy → FANG	United States	$24.5bn	0.085%	+0.020 pp	+0.063 pp	+103.5%	Yes
APA Corporation → APA	United States	$12.4bn	0.043%	+0.011 pp	+0.043 pp	+82.2%	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.