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›Industrial Gases›Industrial Gases

1 · Sector

Weight and 12M allocation change

Information Technology21.1%+2.55 ppHealth Care19.3%+2.41 ppCommunication Services5.2%+1.68 ppMaterials3.1%+0.58 ppConsumer Staples9.2%+0.20 ppReal Estate3.6%-0.03 ppUtilities3.7%-0.06 ppConsumer Discretionary6.5%-0.72 ppEnergy2.5%-1.60 ppIndustrials11.5%-2.34 ppFinancials14.1%-2.68 pp

2 · Industry

Inside Materials

Paper & Plastic Packaging Products & Materials0.58%+0.37 ppCommodity Chemicals0.15%+0.15 ppGold0.27%+0.13 ppSpecialty Chemicals0.75%-0.09 ppFertilizers & Agricultural Chemicals0.17%+0.06 ppIndustrial Gases0.83%+0.03 ppSteel0.07%-0.03 ppCopper0.07%-0.03 ppConstruction Materials0.15%-0.02 ppMetal, Glass & Plastic Containers0.12%+0.01 pp

3 · Sub-industry

Inside Industrial Gases

Industrial Gases0.83%+0.028 pp
Concentrated

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

View all contributions →
Industrial Gases · weight
0.83%
Industry change · 12M
+0.03 pp
Industrial Gases · contribution
+0.028 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 2020 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Air Products →
APD
United States$49.8bn0.279%+0.019 pp+0.026 pp+12.0%Yes
Linde plc →
LIN
United States$98.1bn0.549%+0.010 pp+0.002 pp+4.0%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.