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›Construction Materials›Construction Materials

1 · Sector

Weight and 12M allocation change

Consumer Discretionary11.0%+4.09 ppEnergy3.5%+0.08 ppUtilities3.3%-0.16 ppInformation Technology27.2%-0.18 ppMaterials3.1%-0.37 ppIndustrials9.8%-0.38 ppCommunication Services3.1%-0.41 ppReal Estate3.1%-0.49 ppConsumer Staples7.7%-0.53 ppHealth Care16.9%-0.55 ppFinancials11.3%-1.10 pp

2 · Industry

Inside Materials

Specialty Chemicals0.74%-0.12 ppPaper & Plastic Packaging Products & Materials0.40%-0.09 ppGold0.13%-0.08 ppIndustrial Gases0.83%+0.07 ppFertilizers & Agricultural Chemicals0.24%-0.06 ppCommodity Chemicals0.13%-0.05 ppMetal, Glass & Plastic Containers0.06%-0.04 ppSteel0.19%+0.04 ppCopper0.18%-0.03 ppConstruction Materials0.15%-0.01 pp

3 · Sub-industry

Inside Construction Materials

Construction Materials0.15%-0.008 pp
Concentrated

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

View all contributions →
Construction Materials · weight
0.15%
Industry change · 12M
-0.01 pp
Construction Materials · contribution
-0.008 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Vulcan Materials Company →
VMC
United States$23.3bn0.079%-0.005 pp-0.004 pp+2.6%No
Martin Marietta Materials →
MLM
United States$22.6bn0.076%-0.000 pp-0.004 pp+3.3%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.