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

1 · Sector

Weight and 12M allocation change

Information Technology41.9%+7.32 ppEnergy2.5%+0.19 ppConsumer Discretionary11.8%-0.20 ppMaterials2.0%-0.21 ppCommunication Services2.4%-0.32 ppReal Estate2.0%-0.41 ppUtilities2.4%-0.43 ppIndustrials9.6%-0.50 ppHealth Care9.7%-1.47 ppConsumer Staples5.7%-1.52 ppFinancials9.8%-2.46 pp

2 · Industry

Inside Industrials

Construction Machinery & Heavy Transportation Equipment1.03%+0.37 ppConstruction & Engineering0.38%+0.24 ppAerospace & Defense2.35%-0.23 ppHuman Resource & Employment Services0.21%-0.21 ppIndustrial Machinery & Supplies & Components0.80%-0.20 ppEnvironmental & Facilities Services0.33%-0.19 ppElectrical Components & Equipment0.80%+0.19 ppHeavy Electrical Equipment0.48%+0.17 ppDiversified Support Services0.20%-0.16 ppPassenger Ground Transportation0.25%-0.15 ppBuilding Products0.49%-0.13 ppResearch & Consulting Services0.07%-0.10 ppIndustrial Conglomerates0.52%-0.07 ppAgricultural & Farm Machinery0.25%-0.06 ppTrading Companies & Distributors0.20%+0.04 ppData Processing & Outsourced Services0.03%-0.03 ppAir Freight & Logistics0.34%+0.03 ppRail Transportation0.53%-0.03 ppPassenger Airlines0.19%+0.02 ppCargo Ground Transportation0.13%+0.02 pp

3 · Sub-industry

Inside Construction Machinery & Heavy Transportation Equipment

Construction Machinery & Heavy Transportation Equipment1.03%+0.369 pp
Concentrated

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

View all contributions →
Construction Machinery & Heavy Transportation Equipment · weight
1.03%
Industry change · 12M
+0.37 pp
Construction Machinery & Heavy Transportation Equipment · contribution
+0.369 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Caterpillar Inc. →
CAT
United States$403.5bn0.699%+0.225 pp+0.328 pp+154.4%Yes
Cummins →
CMI
United States$89.2bn0.155%+0.044 pp+0.054 pp+104.4%Yes
Paccar →
PCAR
United States$58.1bn0.101%+0.010 pp-0.011 pp+20.6%Yes
Wabtec →
WAB
United States$44.3bn0.077%+0.015 pp-0.002 pp+29.7%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.