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 & Defense2.24%-1.78 ppIndustrial Conglomerates0.77%-0.20 ppBuilding Products0.47%-0.11 ppHuman Resource & Employment Services0.53%+0.09 ppEnvironmental & Facilities Services0.50%+0.08 ppPassenger Airlines0.18%-0.07 ppIndustrial Machinery & Supplies & Components1.02%-0.06 ppAir Freight & Logistics0.68%-0.05 ppElectrical Components & Equipment0.58%-0.05 ppHeavy Electrical Equipment0.04%-0.05 ppResearch & Consulting Services0.19%-0.03 ppAgricultural & Farm Machinery0.40%+0.03 ppConstruction Machinery & Heavy Transportation Equipment0.59%-0.02 ppTrading Companies & Distributors0.13%-0.01 ppConstruction & Engineering0.12%+0.01 ppRail Transportation0.90%+0.00 ppCargo Ground Transportation0.12%-0.00 ppData Processing & Outsourced Services0.07%-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
0.50%
Industry change · 12M
+0.08 pp
Environmental & Facilities Services · contribution
+0.080 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 |
|---|---|---|---|---|---|---|---|
| Waste Management → WM | United States | $66.2bn | 0.260% | +0.013 pp | +0.039 pp | +9.0% | Yes |
| Republic Services → RSG | United States | $43.0bn | 0.169% | +0.008 pp | +0.035 pp | +14.9% | Yes |
| Rollins, Inc. → ROL | United States | $17.1bn | 0.067% | +0.000 pp | +0.006 pp | -0.5% | 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.