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
Universe›Materials›Steel›Steel

1 · Sector

Weight and 12M allocation change

Financials99.9%+83.60 ppMaterials0.0%-2.78 ppUtilities0.0%-3.66 ppReal Estate0.0%-3.67 ppEnergy0.0%-3.82 ppCommunication Services0.0%-5.18 ppConsumer Discretionary0.0%-7.09 ppConsumer Staples0.0%-8.90 ppIndustrials0.0%-14.36 ppHealth Care0.0%-16.28 ppInformation Technology0.0%-17.87 pp

2 · Industry

Inside Materials

Specialty Chemicals0.00%-0.83 ppIndustrial Gases0.00%-0.82 ppCommodity Chemicals0.00%-0.19 ppPaper & Plastic Packaging Products & Materials0.00%-0.19 ppConstruction Materials0.00%-0.18 ppGold0.00%-0.16 ppMetal, Glass & Plastic Containers0.00%-0.13 ppFertilizers & Agricultural Chemicals0.00%-0.11 ppSteel0.00%-0.09 ppCopper0.00%-0.09 pp

3 · Sub-industry

Inside Steel

Steel0.00%-0.088 pp
Concentrated

Most of this industry's losses came from a few companies.

View all contributions →
Steel · weight
0.00%
Industry change · 12M
-0.09 pp
Steel · contribution
-0.088 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jul 2020 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Nucor →
NUE
United States$12.6bn0.000%-0.069 pp-0.088 pp-19.9%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.