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

1 · Sector

Weight and 12M allocation change

Information Technology36.8%+3.53 pp Consumer Discretionary12.0%+1.16 pp Financials12.2%+0.79 pp Communication Services2.5%+0.07 pp Industrials9.8%+0.05 pp Utilities2.7%-0.09 pp Energy2.4%-0.29 pp Materials2.3%-0.34 pp Real Estate2.3%-0.39 pp Consumer Staples6.4%-0.84 pp Health Care10.6%-3.65 pp

2 · Industry

Inside Industrials

Aerospace & Defense2.58%+0.23 pp Heavy Electrical Equipment0.37%+0.21 pp Air Freight & Logistics0.29%-0.15 pp Rail Transportation0.53%-0.15 pp Industrial Machinery & Supplies & Components0.95%-0.14 pp Diversified Support Services0.32%+0.10 pp Trading Companies & Distributors0.25%+0.08 pp Industrial Conglomerates0.54%-0.07 pp Cargo Ground Transportation0.09%-0.05 pp Passenger Airlines0.19%+0.05 pp Research & Consulting Services0.14%-0.04 pp Environmental & Facilities Services0.45%-0.04 pp Passenger Ground Transportation0.41%+0.03 pp Human Resource & Employment Services0.36%-0.03 pp Construction & Engineering0.15%+0.02 pp Construction Machinery & Heavy Transportation Equipment0.70%-0.02 pp Agricultural & Farm Machinery0.27%+0.01 pp Electrical Components & Equipment0.60%-0.01 pp Building Products0.57%+0.01 pp Data Processing & Outsourced Services0.06%+0.00 pp

3 · Sub-industry

Inside Trading Companies & Distributors

Trading Companies & Distributors0.25%+0.080 pp

Concentrated

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

View all contributions →

Trading Companies & Distributors · weight

0.25%

Industry change · 12M

+0.08 pp

Trading Companies & Distributors · contribution

+0.080 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Aug 2025 · sorted by absolute contribution to 12-month change

Company	Country	Market cap	Universe weight	3M contribution	12M contribution	12M price return	Above 6M weight average
Fastenal → FAST	United States	$57.0bn	0.118%	+0.064 pp	+0.071 pp	+48.5%	Yes
United Rentals → URI	United States	$61.5bn	0.128%	+0.023 pp	+0.009 pp	+30.1%	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.