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

Information Technology29.1%+12.97 ppHealth Care16.4%+6.67 ppFinancials13.7%+6.01 ppIndustrials10.0%+3.06 ppConsumer Staples7.4%+3.04 ppEnergy2.8%+1.70 ppReal Estate3.2%+1.49 ppUtilities3.1%+1.42 ppMaterials3.2%+1.41 ppCommunication Services3.7%+0.84 ppConsumer Discretionary7.5%-38.63 pp

2 · Industry

Inside Materials

Specialty Chemicals0.87%+0.46 ppIndustrial Gases0.76%+0.31 ppPaper & Plastic Packaging Products & Materials0.48%+0.17 ppFertilizers & Agricultural Chemicals0.22%+0.10 ppCopper0.18%+0.09 ppConstruction Materials0.17%+0.08 ppSteel0.10%+0.06 ppCommodity Chemicals0.15%+0.06 ppGold0.16%+0.05 ppMetal, Glass & Plastic Containers0.11%+0.04 pp

3 · Sub-industry

Inside Steel

Steel0.10%+0.062 pp
Concentrated

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

View all contributions →
Steel · weight
0.10%
Industry change · 12M
+0.06 pp
Steel · contribution
+0.062 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 2022 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Nucor →
NUE
United States$29.0bn0.097%-0.012 pp+0.062 pp+111.8%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.