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 & Defense2.22%-1.78 ppIndustrial Conglomerates0.81%-0.24 ppBuilding Products0.46%-0.16 ppIndustrial Machinery & Supplies & Components1.03%-0.12 ppElectrical Components & Equipment0.59%-0.07 ppHuman Resource & Employment Services0.50%+0.06 ppPassenger Airlines0.19%-0.05 ppEnvironmental & Facilities Services0.45%+0.04 ppAir Freight & Logistics0.75%-0.04 ppHeavy Electrical Equipment0.06%-0.03 ppRail Transportation0.93%-0.03 ppAgricultural & Farm Machinery0.36%-0.03 ppConstruction & Engineering0.12%+0.03 ppResearch & Consulting Services0.19%-0.02 ppConstruction Machinery & Heavy Transportation Equipment0.60%-0.02 ppCargo Ground Transportation0.12%+0.01 ppTrading Companies & Distributors0.13%-0.01 ppData Processing & Outsourced Services0.06%-0.00 ppDiversified Support Services0.11%-0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Environmental & Facilities Services
Environmental & Facilities Services · weight
0.45%
Industry change · 12M
+0.04 pp
Environmental & Facilities Services · contribution
+0.042 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2022 · 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 |
|---|---|---|---|---|---|---|---|
| Republic Services → RSG | United States | $43.8bn | 0.151% | -0.003 pp | +0.021 pp | +18.8% | Yes |
| Waste Management → WM | United States | $68.0bn | 0.234% | -0.013 pp | +0.020 pp | +12.7% | Yes |
| Rollins, Inc. → ROL | United States | $19.0bn | 0.065% | +0.006 pp | +0.001 pp | +2.0% | 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.