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
Rail Transportation0.80%-0.30 ppAerospace & Defense2.47%+0.11 ppIndustrial Machinery & Supplies & Components1.14%+0.11 ppIndustrial Conglomerates0.74%-0.11 ppConstruction Machinery & Heavy Transportation Equipment0.71%+0.08 ppAir Freight & Logistics0.73%-0.05 ppHeavy Electrical Equipment0.02%-0.04 ppPassenger Airlines0.19%-0.04 ppHuman Resource & Employment Services0.46%-0.03 ppDiversified Support Services0.14%+0.03 ppResearch & Consulting Services0.19%-0.03 ppElectrical Components & Equipment0.63%+0.02 ppEnvironmental & Facilities Services0.44%+0.02 ppAgricultural & Farm Machinery0.42%-0.01 ppConstruction & Engineering0.12%+0.01 ppBuilding Products0.50%+0.01 ppCargo Ground Transportation0.13%-0.00 ppData Processing & Outsourced Services0.06%-0.00 ppTrading Companies & Distributors0.15%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Research & Consulting Services
Research & Consulting Services · weight
0.19%
Industry change · 12M
-0.03 pp
Research & Consulting Services · contribution
-0.028 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 2023 · 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 |
|---|---|---|---|---|---|---|---|
| Verisk Analytics → VRSK | United States | $29.7bn | 0.101% | +0.002 pp | -0.015 pp | -10.0% | Yes |
| Equifax → EFX | United States | $24.8bn | 0.085% | -0.001 pp | -0.013 pp | -13.8% | 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.