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 Technology28.8%+2.60 ppConsumer Discretionary12.5%+1.60 ppIndustrials10.0%+0.17 ppEnergy3.5%-0.07 ppMaterials2.9%-0.09 ppReal Estate2.9%-0.37 ppHealth Care15.9%-0.60 ppCommunication Services2.8%-0.63 ppConsumer Staples7.1%-0.63 ppUtilities2.9%-0.75 ppFinancials10.7%-1.24 pp

2 · Industry

Inside Materials

Paper & Plastic Packaging Products & Materials0.35%-0.12 ppIndustrial Gases0.81%+0.11 ppFertilizers & Agricultural Chemicals0.20%-0.10 ppSpecialty Chemicals0.73%-0.07 ppSteel0.19%+0.07 ppCopper0.18%+0.03 ppConstruction Materials0.18%+0.02 ppGold0.10%-0.02 ppCommodity Chemicals0.12%-0.01 ppMetal, Glass & Plastic Containers0.05%-0.01 pp

3 · Sub-industry

Inside Commodity Chemicals

Commodity Chemicals0.12%-0.009 pp
Concentrated

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

View all contributions →
Commodity Chemicals · weight
0.12%
Industry change · 12M
-0.01 pp
Commodity Chemicals · contribution
-0.009 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Dow Inc. →
DOW
United States$38.4bn0.122%+0.037 pp-0.009 pp+12.8%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.