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

Information Technology17.3%+1.25 ppHealth Care17.2%+0.52 ppEnergy5.0%+0.34 ppUtilities3.4%+0.20 ppReal Estate3.4%+0.18 ppMaterials2.0%-0.09 ppCommunication Services3.2%-0.22 ppConsumer Discretionary6.9%-0.22 ppConsumer Staples8.8%-0.59 ppFinancials17.8%-0.67 ppIndustrials14.9%-0.68 pp

2 · Industry

Inside Materials

Specialty Chemicals0.85%-0.03 ppPaper & Plastic Packaging Products & Materials0.24%-0.03 ppConstruction Materials0.16%-0.02 ppCopper0.14%-0.02 ppFertilizers & Agricultural Chemicals0.13%+0.02 ppGold0.11%-0.01 ppMetal, Glass & Plastic Containers0.08%+0.00 ppSteel0.12%+0.00 ppIndustrial Gases0.21%-0.00 ppCommodity Chemicals0.00%+0.00 pp

3 · Sub-industry

Inside Construction Materials

Construction Materials0.16%-0.024 pp
Concentrated

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

View all contributions →
Construction Materials · weight
0.16%
Industry change · 12M
-0.02 pp
Construction Materials · contribution
-0.024 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jul 2018 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Vulcan Materials Company →
VMC
United States$14.8bn0.086%-0.005 pp-0.016 pp-16.9%No
Martin Marietta Materials →
MLM
United States$12.6bn0.073%-0.002 pp-0.009 pp-12.2%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.