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
Oil & Gas Exploration & Production · weight
1.28%
Industry change · 12M
+0.68 pp
Oil & Gas Exploration & Production · contribution
+0.685 pp
Company participation
67%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Aug 2022 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
ConocoPhillips →
COP
United States$139.3bn0.499%-0.025 pp+0.250 pp+103.8%Yes
Occidental Petroleum →
OXY
United States$66.1bn0.237%+0.003 pp+0.156 pp+177.8%Yes
EOG Resources →
EOG
United States$71.1bn0.254%-0.034 pp+0.123 pp+92.8%Yes
Devon Energy →
DVN
United States$46.2bn0.165%-0.013 pp+0.099 pp+156.1%Yes
Diamondback Energy →
FANG
United States$23.1bn0.083%-0.014 pp+0.036 pp+82.7%No
APA Corporation →
APA
United States$12.8bn0.046%-0.012 pp+0.021 pp+103.3%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.