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›Diversified Support Services›Diversified Support Services
Diversified Support Services · weight
0.27%
Industry change · 12M
-0.12 pp
Diversified Support Services · contribution
-0.115 pp
Company participation
33%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Copart →
CPRT
United States$37.7bn0.074%-0.024 pp-0.061 pp-38.5%No
Cintas →
CTAS
United States$74.8bn0.147%-0.029 pp-0.054 pp-16.9%No
Leidos →
LDOS
United States$24.4bn0.048%-0.000 pp-0.001 pp+16.8%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.