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 & Defense3.57%-1.71 ppIndustrial Conglomerates1.15%-0.21 ppPassenger Airlines0.25%-0.21 ppIndustrial Machinery & Supplies & Components1.19%+0.21 ppAir Freight & Logistics0.92%+0.20 ppBuilding Products0.56%+0.12 ppHuman Resource & Employment Services0.46%-0.06 ppAgricultural & Farm Machinery0.34%+0.05 ppCargo Ground Transportation0.11%+0.05 ppRail Transportation0.91%-0.03 ppEnvironmental & Facilities Services0.41%-0.03 ppTrading Companies & Distributors0.12%+0.01 ppElectrical Components & Equipment0.62%-0.01 ppConstruction Machinery & Heavy Transportation Equipment0.70%+0.01 ppResearch & Consulting Services0.22%+0.01 ppConstruction & Engineering0.09%+0.00 ppDiversified Support Services0.13%+0.00 ppData Processing & Outsourced Services0.08%+0.00 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Environmental & Facilities Services
Environmental & Facilities Services · weight
0.41%
Industry change · 12M
-0.03 pp
Environmental & Facilities Services · contribution
-0.028 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 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 |
|---|---|---|---|---|---|---|---|
| Waste Management → WM | United States | $45.6bn | 0.216% | +0.216 pp | -0.032 pp | -2.0% | Yes |
| Rollins, Inc. → ROL | United States | $12.6bn | 0.060% | +0.060 pp | +0.016 pp | +53.4% | Yes |
| Republic Services → RSG | United States | $28.1bn | 0.133% | +0.133 pp | -0.013 pp | +2.7% | 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.