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
Specialty Chemicals0.83%+0.43 ppIndustrial Gases0.70%+0.33 ppPaper & Plastic Packaging Products & Materials0.46%+0.20 ppFertilizers & Agricultural Chemicals0.26%+0.15 ppCopper0.24%+0.14 ppGold0.18%+0.10 ppSteel0.12%+0.09 ppConstruction Materials0.17%+0.08 ppCommodity Chemicals0.15%+0.06 ppMetal, Glass & Plastic Containers0.10%+0.04 pp
3 · Sub-industry
Inside Gold
Gold · weight
0.18%
Industry change · 12M
+0.10 pp
Gold · contribution
+0.095 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 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 |
|---|---|---|---|---|---|---|---|
| Newmont → NEM | United States | $52.5bn | 0.182% | +0.034 pp | +0.095 pp | +26.3% | 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.