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 Technology21.1%+2.55 pp Health Care19.3%+2.41 pp Communication Services5.2%+1.68 pp Materials3.1%+0.58 pp Consumer Staples9.2%+0.20 pp Real Estate3.6%-0.03 pp Utilities3.7%-0.06 pp Consumer Discretionary6.5%-0.72 pp Energy2.5%-1.60 pp Industrials11.5%-2.34 pp Financials14.1%-2.68 pp

2 · Industry

Inside Energy

Oil & Gas Exploration & Production0.56%-0.57 pp Integrated Oil & Gas0.97%-0.30 pp Oil & Gas Equipment & Services0.18%-0.29 pp Oil & Gas Refining & Marketing0.44%-0.24 pp Oil & Gas Storage & Transportation0.39%-0.20 pp

3 · Sub-industry

Inside Oil & Gas Exploration & Production

Oil & Gas Exploration & Production0.56%-0.573 pp

Concentrated

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

View all contributions →

Oil & Gas Exploration & Production · weight

0.56%

Industry change · 12M

-0.57 pp

Oil & Gas Exploration & Production · contribution

-0.573 pp

Company participation

60%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 2020 · 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
Occidental Petroleum → OXY	United States	$14.9bn	0.083%	-0.092 pp	-0.163 pp	-69.3%	No
EOG Resources → EOG	United States	$27.7bn	0.155%	-0.054 pp	-0.156 pp	-49.6%	Yes
ConocoPhillips → COP	United States	$45.5bn	0.255%	-0.067 pp	-0.144 pp	-31.6%	Yes
Diamondback Energy → FANG	United States	$6.9bn	0.039%	-0.020 pp	-0.059 pp	-58.6%	No
Devon Energy → DVN	United States	$4.8bn	0.027%	-0.014 pp	-0.052 pp	-60.3%	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.