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
1.26%
Industry change · 12M
+0.00 pp
Oil & Gas Exploration & Production · contribution
+0.000 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 2018 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
ConocoPhillips →
COP
United States$70.3bn0.401%+0.000 pp+0.000 pp+0.0%No
EOG Resources →
EOG
United States$66.5bn0.379%+0.000 pp+0.000 pp+0.0%No
Occidental Petroleum →
OXY
United States$57.4bn0.327%+0.000 pp+0.000 pp+0.0%No
Devon Energy →
DVN
United States$21.7bn0.124%+0.000 pp+0.000 pp+0.0%No
EQT Corporation →
EQT
United States$5.1bn0.029%+0.000 pp+0.000 pp+0.0%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.