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 Materials
Paper & Plastic Packaging Products & Materials0.31%-32.06 ppIndustrial Gases0.59%+0.10 ppFertilizers & Agricultural Chemicals0.16%+0.05 ppGold0.14%+0.04 ppCommodity Chemicals0.03%-0.03 ppSpecialty Chemicals0.48%+0.02 ppConstruction Materials0.15%+0.02 ppCopper0.12%+0.00 ppSteel0.11%+0.00 ppMetal, Glass & Plastic Containers0.03%-0.00 pp
3 · Sub-industry
Inside Gold
Gold · weight
0.14%
Industry change · 12M
+0.04 pp
Gold · contribution
+0.043 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2025 · 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 |
|---|---|---|---|---|---|---|---|
| Newmont → NEM | United States | $68.2bn | 0.144% | +0.003 pp | +0.043 pp | +29.3% | 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.