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
1.38%
Industry change · 12M
+0.71 pp
Oil & Gas Exploration & Production · contribution
+0.710 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
ConocoPhillips →
COP
United States$145.3bn0.523%+0.096 pp+0.254 pp+107.5%Yes
Occidental Petroleum →
OXY
United States$65.0bn0.234%+0.092 pp+0.147 pp+167.9%Yes
EOG Resources →
EOG
United States$80.2bn0.289%+0.056 pp+0.121 pp+82.4%Yes
Devon Energy →
DVN
United States$49.4bn0.178%+0.041 pp+0.114 pp+200.8%Yes
Diamondback Energy →
FANG
United States$27.0bn0.097%+0.012 pp+0.045 pp+97.3%Yes
APA Corporation →
APA
United States$15.9bn0.057%+0.014 pp+0.029 pp+128.4%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.