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
1.15%
Industry change · 12M
+0.56 pp
Oil & Gas Exploration & Production · contribution
+0.558 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
ConocoPhillips →
COP
United States$124.1bn0.449%+0.056 pp+0.198 pp+92.9%Yes
Occidental Petroleum →
OXY
United States$51.5bn0.186%+0.068 pp+0.100 pp+118.0%Yes
EOG Resources →
EOG
United States$68.4bn0.247%+0.028 pp+0.091 pp+69.6%Yes
Devon Energy →
DVN
United States$38.6bn0.140%+0.025 pp+0.083 pp+165.4%Yes
APA Corporation →
APA
United States$14.2bn0.051%+0.011 pp+0.051 pp+106.8%Yes
Diamondback Energy →
FANG
United States$22.4bn0.081%+0.004 pp+0.034 pp+57.5%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.