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
0.79%
Industry change · 12M
+0.20 pp
Construction Machinery & Heavy Transportation Equipment · contribution
+0.198 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Caterpillar Inc. →
CAT
United States$139.3bn0.465%+0.172 pp+0.125 pp+70.0%Yes
Paccar →
PCAR
United States$44.4bn0.148%+0.047 pp+0.072 pp+58.8%Yes
Wabtec →
WAB
United States$19.0bn0.064%+0.018 pp+0.005 pp+31.5%Yes
Cummins →
CMI
United States$32.4bn0.108%+0.028 pp-0.005 pp+15.3%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.