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
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Energy
3 · Sub-industry
Inside 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
| Company | Country | Market cap | Universe weight | 3M contribution | 12M contribution | 12M price return | Above 6M weight average |
|---|---|---|---|---|---|---|---|
| ConocoPhillips → COP | United States | $116.2bn | 0.452% | +0.014 pp | +0.162 pp | +53.0% | Yes |
| Occidental Petroleum → OXY | United States | $55.2bn | 0.215% | +0.036 pp | +0.112 pp | +89.2% | Yes |
| EOG Resources → EOG | United States | $64.7bn | 0.252% | +0.017 pp | +0.080 pp | +43.5% | Yes |
| Devon Energy → DVN | United States | $36.4bn | 0.141% | +0.009 pp | +0.072 pp | +102.4% | Yes |
| Diamondback Energy → FANG | United States | $21.5bn | 0.084% | +0.002 pp | +0.024 pp | +34.1% | No |
| APA Corporation → APA | United States | $11.8bn | 0.046% | -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.