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
Aerospace & Defense4.04%-1.18 ppPassenger Airlines0.27%-0.17 ppIndustrial Machinery & Supplies & Components1.16%+0.15 ppAir Freight & Logistics0.83%+0.14 ppIndustrial Conglomerates1.20%-0.12 ppBuilding Products0.53%+0.11 ppAgricultural & Farm Machinery0.34%+0.07 ppHuman Resource & Employment Services0.44%-0.07 ppRail Transportation0.91%-0.05 ppEnvironmental & Facilities Services0.38%-0.04 ppResearch & Consulting Services0.23%+0.03 ppElectrical Components & Equipment0.62%-0.03 ppConstruction Machinery & Heavy Transportation Equipment0.67%-0.02 ppCargo Ground Transportation0.10%+0.02 ppTrading Companies & Distributors0.12%+0.01 ppConstruction & Engineering0.09%+0.01 ppData Processing & Outsourced Services0.07%+0.00 ppDiversified Support Services0.13%+0.00 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Research & Consulting Services
Research & Consulting Services · weight
0.23%
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
Dec 2020 · 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 | $33.8bn | 0.137% | +0.136 pp | +0.017 pp | +39.9% | Yes |
| Equifax → EFX | United States | $23.5bn | 0.095% | +0.095 pp | +0.012 pp | +39.0% | 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.