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

Materials34.0%+1.88 ppFinancials8.2%+0.50 ppConsumer Staples5.1%+0.15 ppIndustrials7.1%+0.09 ppUtilities2.0%-0.12 ppReal Estate1.9%-0.15 ppCommunication Services1.8%-0.15 ppEnergy2.0%-0.39 ppInformation Technology19.8%-0.42 ppConsumer Discretionary8.2%-0.48 ppHealth Care10.0%-0.91 pp

2 · Industry

Inside Materials

Paper & Plastic Packaging Products & Materials32.36%+2.08 ppIndustrial Gases0.50%-0.07 ppSpecialty Chemicals0.45%-0.06 ppFertilizers & Agricultural Chemicals0.11%-0.04 ppGold0.10%+0.03 ppSteel0.11%-0.03 ppCopper0.12%-0.02 ppCommodity Chemicals0.07%-0.02 ppConstruction Materials0.13%+0.01 ppMetal, Glass & Plastic Containers0.04%-0.00 pp

3 · Sub-industry

Inside Steel

Steel0.11%-0.026 pp
Concentrated

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

View all contributions →
Steel · weight
0.11%
Industry change · 12M
-0.03 pp
Steel · contribution
-0.026 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jul 2024 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Nucor →
NUE
United States$39.1bn0.070%-0.047 pp-0.024 pp-4.1%No
Steel Dynamics →
STLD
United States$20.9bn0.038%-0.022 pp-0.002 pp+26.8%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.