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
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Industrials
Passenger Ground Transportation0.24%+0.24 ppAir Freight & Logistics0.32%-0.15 ppAgricultural & Farm Machinery0.18%-0.09 ppHeavy Electrical Equipment0.10%+0.08 ppRail Transportation0.49%-0.08 ppDiversified Support Services0.16%+0.06 ppEnvironmental & Facilities Services0.34%+0.05 ppIndustrial Conglomerates0.44%-0.05 ppAerospace & Defense1.70%+0.05 ppHuman Resource & Employment Services0.28%-0.05 ppPassenger Airlines0.11%-0.04 ppTrading Companies & Distributors0.13%+0.02 ppBuilding Products0.39%+0.02 ppCargo Ground Transportation0.11%+0.02 ppElectrical Components & Equipment0.47%+0.01 ppConstruction Machinery & Heavy Transportation Equipment0.52%-0.00 ppConstruction & Engineering0.10%+0.00 ppData Processing & Outsourced Services0.05%+0.00 ppResearch & Consulting Services0.13%+0.00 ppIndustrial Machinery & Supplies & Components0.80%-0.00 pp
3 · Sub-industry
Inside Diversified Support Services
Diversified Support Services · weight
0.16%
Industry change · 12M
+0.06 pp
Diversified Support Services · contribution
+0.058 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2024 · 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 |
|---|---|---|---|---|---|---|---|
| Copart → CPRT | United States | $50.4bn | 0.090% | -0.061 pp | +0.044 pp | +18.4% | No |
| Leidos → LDOS | United States | $19.5bn | 0.035% | -0.020 pp | +0.007 pp | +56.4% | No |
| Cintas → CTAS | United States | $19.2bn | 0.034% | -0.014 pp | +0.007 pp | +53.6% | No |
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.