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

Materials29.6%+26.14 pp Consumer Discretionary8.5%+1.82 pp Real Estate2.1%-1.21 pp Utilities2.3%-1.33 pp Energy2.3%-1.64 pp Communication Services2.1%-1.72 pp Consumer Staples5.3%-2.38 pp Industrials6.9%-3.12 pp Financials7.8%-5.05 pp Health Care11.8%-5.74 pp Information Technology21.2%-5.77 pp

2 · Industry

Inside Energy

Oil & Gas Exploration & Production0.76%-0.61 pp Integrated Oil & Gas0.70%-0.53 pp Oil & Gas Refining & Marketing0.31%-0.25 pp Oil & Gas Storage & Transportation0.28%-0.15 pp Oil & Gas Equipment & Services0.28%-0.08 pp

3 · Sub-industry

Inside Oil & Gas Exploration & Production

Oil & Gas Exploration & Production0.76%-0.615 pp

Concentrated

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

View all contributions →

Oil & Gas Exploration & Production · weight

0.76%

Industry change · 12M

-0.61 pp

Oil & Gas Exploration & Production · contribution

-0.615 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 2023 · 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	$120.2bn	0.297%	-0.146 pp	-0.227 pp	-6.9%	No
EOG Resources → EOG	United States	$62.7bn	0.155%	-0.078 pp	-0.134 pp	-15.7%	No
Occidental Petroleum → OXY	United States	$51.4bn	0.127%	-0.058 pp	-0.107 pp	-16.1%	No
Devon Energy → DVN	United States	$29.6bn	0.073%	-0.051 pp	-0.105 pp	-33.4%	No
Diamondback Energy → FANG	United States	$23.0bn	0.057%	-0.034 pp	-0.040 pp	-10.9%	No
APA Corporation → APA	United States	$9.8bn	0.024%	-0.018 pp	-0.033 pp	-30.9%	No
EQT Corporation → EQT	United States	$12.6bn	0.031%	-0.011 pp	+0.031 pp	-25.9%	No

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.