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 & Defense4.10%-1.41 ppIndustrial Machinery & Supplies & Components1.22%+0.22 ppAir Freight & Logistics0.89%+0.18 ppPassenger Airlines0.28%-0.18 ppIndustrial Conglomerates1.20%-0.15 ppBuilding Products0.55%+0.12 ppAgricultural & Farm Machinery0.35%+0.08 ppHuman Resource & Employment Services0.46%-0.07 ppCargo Ground Transportation0.11%+0.05 ppRail Transportation0.94%-0.03 ppEnvironmental & Facilities Services0.40%-0.03 ppConstruction Machinery & Heavy Transportation Equipment0.69%-0.02 ppTrading Companies & Distributors0.13%+0.02 ppResearch & Consulting Services0.22%+0.02 ppConstruction & Engineering0.09%+0.01 ppElectrical Components & Equipment0.64%-0.01 ppDiversified Support Services0.13%+0.00 ppData Processing & Outsourced Services0.07%+0.00 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
4.10%
Industry change · 12M
-1.41 pp
Aerospace & Defense · contribution
-1.412 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 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 |
|---|---|---|---|---|---|---|---|
| GE Aerospace → GE | United States | $444.5bn | 1.888% | +1.886 pp | -0.584 pp | -9.2% | Yes |
| Boeing → BA | United States | $119.0bn | 0.505% | +0.505 pp | -0.533 pp | -42.1% | Yes |
| Lockheed Martin → LMT | United States | $102.1bn | 0.434% | +0.433 pp | -0.122 pp | -4.3% | Yes |
| Northrop Grumman → NOC | United States | $50.4bn | 0.214% | +0.214 pp | -0.085 pp | -12.6% | Yes |
| General Dynamics → GD | United States | $42.9bn | 0.182% | +0.182 pp | -0.083 pp | -15.4% | Yes |
| RTX Corporation → RTX | United States | $108.9bn | 0.463% | +0.462 pp | +0.057 pp | -21.0% | Yes |
| L3Harris → LHX | United States | $40.3bn | 0.171% | +0.171 pp | -0.053 pp | -2.8% | Yes |
| Howmet Aerospace → HWM | United States | $10.2bn | 0.043% | +0.043 pp | +0.043 pp | -1.1% | Yes |
| Huntington Ingalls Industries → HII | United States | $6.5bn | 0.028% | +0.028 pp | -0.024 pp | -34.9% | Yes |
| TransDigm Group → TDG | United States | $31.5bn | 0.134% | +0.134 pp | -0.019 pp | +8.0% | Yes |
| Textron → TXT | United States | $10.3bn | 0.044% | +0.044 pp | -0.009 pp | -2.3% | 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.