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
0.14%
Industry change · 12M
+0.02 pp
Cargo Ground Transportation · contribution
+0.021 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Old Dominion →
ODFL
United States$19.8bn0.066%+0.013 pp+0.013 pp+79.9%Yes
J.B. Hunt →
JBHT
United States$20.7bn0.069%+0.008 pp+0.008 pp+63.2%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.