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

Communication Services4.9%+1.57 ppMaterials2.8%+0.74 ppUtilities3.7%+0.31 ppInformation Technology17.7%+0.29 ppReal Estate3.7%+0.14 ppConsumer Staples8.8%+0.03 ppHealth Care16.9%-0.00 ppConsumer Discretionary7.0%-0.03 ppIndustrials14.5%-0.19 ppEnergy3.9%-1.21 ppFinancials16.1%-1.65 pp

2 · Industry

Inside Materials

Industrial Gases0.86%+0.65 ppCommodity Chemicals0.20%+0.20 ppCopper0.09%-0.06 ppPaper & Plastic Packaging Products & Materials0.19%-0.05 ppMetal, Glass & Plastic Containers0.13%+0.05 ppGold0.17%+0.05 ppSpecialty Chemicals0.83%-0.03 ppSteel0.09%-0.03 ppFertilizers & Agricultural Chemicals0.11%-0.02 ppConstruction Materials0.18%-0.01 pp

3 · Sub-industry

Inside Construction Materials

Construction Materials0.18%-0.013 pp
Concentrated

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

View all contributions →
Construction Materials · weight
0.18%
Industry change · 12M
-0.01 pp
Construction Materials · contribution
-0.013 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Martin Marietta Materials →
MLM
United States$14.4bn0.078%+0.005 pp-0.008 pp+4.0%Yes
Vulcan Materials Company →
VMC
United States$18.1bn0.098%+0.008 pp-0.006 pp+7.5%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.