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

Materials30.1%+27.83 ppEnergy2.0%-0.58 ppCommunication Services2.1%-0.59 ppUtilities2.1%-0.66 ppReal Estate1.6%-0.88 ppIndustrials7.7%-1.89 ppConsumer Staples4.9%-2.28 ppConsumer Discretionary8.4%-3.45 ppHealth Care8.2%-4.24 ppFinancials7.7%-4.88 ppInformation Technology25.3%-8.39 pp

2 · Industry

Inside Materials

Paper & Plastic Packaging Products & Materials28.54%+28.18 ppIndustrial Gases0.41%-0.24 ppSpecialty Chemicals0.36%-0.19 ppGold0.19%+0.09 ppConstruction Materials0.22%+0.08 ppFertilizers & Agricultural Chemicals0.11%-0.04 ppCommodity Chemicals0.03%-0.03 ppSteel0.09%-0.02 ppCopper0.13%+0.02 ppMetal, Glass & Plastic Containers0.02%-0.01 pp

3 · Sub-industry

Inside Commodity Chemicals

Commodity Chemicals0.03%-0.030 pp
Concentrated

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

View all contributions →
Commodity Chemicals · weight
0.03%
Industry change · 12M
-0.03 pp
Commodity Chemicals · contribution
-0.030 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 2026 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Dow Inc. →
DOW
United States$22.0bn0.030%-0.003 pp-0.030 pp-13.9%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.