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
Industrial Gases · weight
0.68%
Industry change · 12M
-0.13 pp
Industrial Gases · contribution
-0.133 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2024 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Linde plc →
LIN
United States$227.7bn0.530%+0.135 pp-0.077 pp+29.6%Yes
Air Products →
APD
United States$66.2bn0.154%+0.047 pp-0.056 pp+7.2%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.