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 Technology28.6%+15.12 ppHealth Care17.0%+8.92 ppFinancials12.8%+5.42 ppConsumer Staples7.5%+3.67 ppIndustrials10.3%+3.67 ppEnergy3.3%+2.11 ppReal Estate3.4%+1.82 ppUtilities3.4%+1.74 ppMaterials3.3%+1.63 ppCommunication Services3.6%+1.16 ppConsumer Discretionary7.0%-45.25 pp

2 · Industry

Inside Materials

Specialty Chemicals0.81%+0.40 ppIndustrial Gases0.73%+0.32 ppFertilizers & Agricultural Chemicals0.29%+0.18 ppPaper & Plastic Packaging Products & Materials0.44%+0.17 ppCopper0.24%+0.15 ppGold0.21%+0.12 ppSteel0.13%+0.09 ppConstruction Materials0.16%+0.08 ppCommodity Chemicals0.16%+0.06 ppMetal, Glass & Plastic Containers0.10%+0.04 pp

3 · Sub-industry

Inside Construction Materials

Construction Materials0.16%+0.078 pp
Concentrated

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

View all contributions →
Construction Materials · weight
0.16%
Industry change · 12M
+0.08 pp
Construction Materials · contribution
+0.078 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Martin Marietta Materials →
MLM
United States$24.0bn0.081%-0.007 pp+0.040 pp+15.3%No
Vulcan Materials Company →
VMC
United States$24.4bn0.082%-0.006 pp+0.038 pp+9.7%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.