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 & Defense2.71%-4.37 ppIndustrial Conglomerates0.69%-0.68 ppIndustrial Machinery & Supplies & Components0.55%-0.53 ppAir Freight & Logistics0.52%-0.46 ppConstruction Machinery & Heavy Transportation Equipment0.39%-0.44 ppRail Transportation0.60%-0.34 ppElectrical Components & Equipment0.38%-0.34 ppPassenger Airlines0.33%-0.22 ppBuilding Products0.25%-0.22 ppHuman Resource & Employment Services0.30%-0.15 ppAgricultural & Farm Machinery0.17%-0.14 ppEnvironmental & Facilities Services0.24%-0.11 ppResearch & Consulting Services0.11%-0.07 ppTrading Companies & Distributors0.05%-0.06 ppData Processing & Outsourced Services0.04%+0.04 ppCargo Ground Transportation0.04%-0.04 ppConstruction & Engineering0.04%-0.03 ppDiversified Support Services0.03%+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
0.11%
Industry change · 12M
-0.07 pp
Research & Consulting Services · contribution
-0.071 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 2018 · 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 | $12.4bn | 0.041% | -0.011 pp | -0.044 pp | -16.7% | No |
| Verisk Analytics → VRSK | United States | $20.3bn | 0.067% | +0.004 pp | -0.027 pp | +23.3% | 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.