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›Cargo Ground Transportation›Cargo Ground Transportation
Cargo Ground Transportation · weight
0.11%
Industry change · 12M
+0.11 pp
Cargo Ground Transportation · contribution
+0.114 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jul 2021 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
J.B. Hunt →
JBHT
United States$17.8bn0.061%+0.009 pp+0.061 pp+31.2%Yes
Old Dominion →
ODFL
United States$15.6bn0.054%-0.001 pp+0.053 pp+47.7%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.