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›Industrials›Construction Machinery & Heavy Transportation Equipment›Construction Machinery & Heavy Transportation Equipment
Construction Machinery & Heavy Transportation Equipment · weight
1.21%
Industry change · 12M
+0.54 pp
Construction Machinery & Heavy Transportation Equipment · contribution
+0.536 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Caterpillar Inc. →
CAT
United States$490.5bn0.852%+0.372 pp+0.458 pp+177.3%Yes
Cummins →
CMI
United States$98.4bn0.171%+0.063 pp+0.074 pp+121.3%Yes
Paccar →
PCAR
United States$63.2bn0.110%+0.021 pp+0.002 pp+29.6%Yes
Wabtec →
WAB
United States$45.7bn0.079%+0.017 pp+0.002 pp+29.4%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.