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
Heavy Electrical Equipment0.25%+0.23 ppRail Transportation0.60%-0.21 ppAir Freight & Logistics0.36%-0.17 ppIndustrial Machinery & Supplies & Components1.06%-0.16 ppAerospace & Defense2.20%-0.14 ppDiversified Support Services0.35%+0.12 ppPassenger Ground Transportation0.31%-0.09 ppConstruction Machinery & Heavy Transportation Equipment0.72%-0.07 ppPassenger Airlines0.21%+0.05 ppEnvironmental & Facilities Services0.46%-0.04 ppBuilding Products0.55%+0.04 ppAgricultural & Farm Machinery0.29%-0.04 ppHuman Resource & Employment Services0.39%-0.04 ppElectrical Components & Equipment0.62%-0.03 ppResearch & Consulting Services0.17%-0.03 ppIndustrial Conglomerates0.59%-0.03 ppTrading Companies & Distributors0.16%-0.03 ppConstruction & Engineering0.14%+0.01 ppData Processing & Outsourced Services0.06%-0.01 ppCargo Ground Transportation0.13%+0.00 pp
3 · Sub-industry
Inside Research & Consulting Services
Research & Consulting Services · weight
0.17%
Industry change · 12M
-0.03 pp
Research & Consulting Services · contribution
-0.028 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2025 · 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 | $40.6bn | 0.090% | -0.001 pp | -0.014 pp | +19.7% | No |
| Equifax → EFX | United States | $34.1bn | 0.076% | -0.001 pp | -0.014 pp | +13.1% | 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.