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
Fertilizers & Agricultural Chemicals0.32%+0.11 ppSpecialty Chemicals0.89%-0.08 ppCopper0.20%-0.02 ppSteel0.13%+0.02 ppGold0.19%-0.02 ppMetal, Glass & Plastic Containers0.08%-0.01 ppConstruction Materials0.16%-0.01 ppIndustrial Gases0.79%-0.01 ppCommodity Chemicals0.18%-0.00 ppPaper & Plastic Packaging Products & Materials0.52%-0.00 pp
3 · Sub-industry
Inside Copper
Copper · weight
0.20%
Industry change · 12M
-0.02 pp
Copper · contribution
-0.020 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 |
|---|---|---|---|---|---|---|---|
| Freeport-McMoRan → FCX | United States | $56.6bn | 0.204% | -0.033 pp | -0.020 pp | -7.5% | 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.