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
1.19%
Industry change · 12M
+0.47 pp
Oil & Gas Exploration & Production · contribution
+0.465 pp
Company participation
67%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
ConocoPhillips →
COP
United States$116.2bn0.452%+0.014 pp+0.162 pp+53.0%Yes
Occidental Petroleum →
OXY
United States$55.2bn0.215%+0.036 pp+0.112 pp+89.2%Yes
EOG Resources →
EOG
United States$64.7bn0.252%+0.017 pp+0.080 pp+43.5%Yes
Devon Energy →
DVN
United States$36.4bn0.141%+0.009 pp+0.072 pp+102.4%Yes
Diamondback Energy →
FANG
United States$21.5bn0.084%+0.002 pp+0.024 pp+34.1%No
APA Corporation →
APA
United States$11.8bn0.046%-0.002 pp+0.017 pp+63.0%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.