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›Trading Companies & Distributors›Trading Companies & Distributors
Trading Companies & Distributors · weight
0.14%
Industry change · 12M
+0.14 pp
Trading Companies & Distributors · contribution
+0.141 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
United Rentals →
URI
United States$24.2bn0.087%+0.044 pp+0.087 pp+140.4%Yes
Fastenal →
FAST
United States$15.2bn0.055%+0.028 pp+0.055 pp+32.6%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.