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

Consumer Discretionary49.1%+41.99 ppMaterials1.4%-0.75 ppUtilities2.0%-1.14 ppReal Estate2.0%-1.19 ppCommunication Services2.0%-1.50 ppEnergy2.4%-2.25 ppConsumer Staples5.0%-4.42 ppInformation Technology9.4%-6.70 ppHealth Care9.9%-6.83 ppIndustrials7.6%-7.95 ppFinancials9.2%-9.26 pp

2 · Industry

Inside Materials

Specialty Chemicals0.47%-0.42 ppIndustrial Gases0.42%+0.21 ppPaper & Plastic Packaging Products & Materials0.12%-0.15 ppCopper0.06%-0.11 ppConstruction Materials0.08%-0.10 ppGold0.06%-0.06 ppSteel0.06%-0.06 ppFertilizers & Agricultural Chemicals0.07%-0.04 ppMetal, Glass & Plastic Containers0.06%-0.02 ppCommodity Chemicals0.00%+0.00 pp

3 · Sub-industry

Inside Steel

Steel0.06%-0.058 pp
Concentrated

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

View all contributions →
Steel · weight
0.06%
Industry change · 12M
-0.06 pp
Steel · contribution
-0.058 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 2019 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Nucor →
NUE
United States$19.2bn0.063%+0.000 pp-0.058 pp-6.1%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.