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 & Defense2.16%-1.41 ppIndustrial Conglomerates0.94%-0.22 ppAir Freight & Logistics0.79%-0.13 ppRail Transportation1.02%+0.11 ppHeavy Electrical Equipment0.11%+0.11 ppIndustrial Machinery & Supplies & Components1.10%-0.10 ppConstruction Machinery & Heavy Transportation Equipment0.61%-0.09 ppTrading Companies & Distributors0.15%+0.03 ppPassenger Airlines0.23%-0.02 ppElectrical Components & Equipment0.64%+0.02 ppCargo Ground Transportation0.14%+0.02 ppAgricultural & Farm Machinery0.35%+0.02 ppConstruction & Engineering0.11%+0.02 ppEnvironmental & Facilities Services0.42%+0.02 ppBuilding Products0.58%+0.02 ppResearch & Consulting Services0.23%+0.01 ppDiversified Support Services0.12%-0.01 ppData Processing & Outsourced Services0.07%-0.01 ppHuman Resource & Employment Services0.46%+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
+0.01 pp
Research & Consulting Services · contribution
+0.011 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 2021 · 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 |
|---|---|---|---|---|---|---|---|
| Equifax → EFX | United States | $33.8bn | 0.113% | +0.004 pp | +0.034 pp | +104.6% | Yes |
| Verisk Analytics → VRSK | United States | $33.9bn | 0.113% | +0.008 pp | -0.024 pp | +18.9% | 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.