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›Commodity Chemicals›Commodity Chemicals

1 · Sector

Weight and 12M allocation change

Information Technology18.4%+8.88 ppFinancials16.5%+7.33 ppHealth Care17.0%+6.61 ppIndustrials13.2%+6.00 ppConsumer Staples8.7%+3.60 ppCommunication Services5.3%+3.24 ppMaterials3.2%+1.83 ppUtilities3.7%+1.55 ppReal Estate3.5%+1.53 ppEnergy3.5%+1.16 ppConsumer Discretionary7.0%-41.73 pp

2 · Industry

Inside Materials

Paper & Plastic Packaging Products & Materials0.62%+0.51 ppIndustrial Gases0.82%+0.38 ppSpecialty Chemicals0.78%+0.30 ppCommodity Chemicals0.20%+0.20 ppFertilizers & Agricultural Chemicals0.20%+0.12 ppGold0.17%+0.11 ppConstruction Materials0.18%+0.09 ppMetal, Glass & Plastic Containers0.10%+0.05 ppCopper0.09%+0.04 ppSteel0.08%+0.03 pp

3 · Sub-industry

Inside Commodity Chemicals

Commodity Chemicals0.20%+0.199 pp
Concentrated

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

View all contributions →
Commodity Chemicals · weight
0.20%
Industry change · 12M
+0.20 pp
Commodity Chemicals · contribution
+0.199 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Dow Inc. →
DOW
United States$40.6bn0.199%+0.011 pp+0.199 pp+0.0%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.