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
1.13%
Industry change · 12M
+0.51 pp
Oil & Gas Exploration & Production · contribution
+0.512 pp
Company participation
17%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 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 | $126.0bn | 0.433% | -0.016 pp | +0.174 pp | +78.9% | No |
| Occidental Petroleum → OXY | United States | $61.6bn | 0.212% | +0.026 pp | +0.128 pp | +153.2% | Yes |
| Devon Energy → DVN | United States | $41.5bn | 0.143% | +0.003 pp | +0.083 pp | +160.7% | No |
| EOG Resources → EOG | United States | $65.1bn | 0.224% | -0.023 pp | +0.078 pp | +63.8% | No |
| Diamondback Energy → FANG | United States | $22.7bn | 0.078% | -0.003 pp | +0.030 pp | +72.5% | No |
| APA Corporation → APA | United States | $12.6bn | 0.043% | -0.008 pp | +0.019 pp | +100.7% | 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.