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 Aerospace & Defense
Aerospace & Defense · weight
3.57%
Industry change · 12M
-1.71 pp
Aerospace & Defense · contribution
-1.714 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 |
|---|---|---|---|---|---|---|---|
| GE Aerospace → GE | United States | $324.0bn | 1.534% | +1.533 pp | -0.731 pp | -25.3% | Yes |
| Boeing → BA | United States | $81.5bn | 0.386% | +0.385 pp | -0.611 pp | -57.0% | Yes |
| Lockheed Martin → LMT | United States | $98.0bn | 0.464% | +0.463 pp | -0.090 pp | -4.7% | Yes |
| General Dynamics → GD | United States | $37.7bn | 0.178% | +0.178 pp | -0.088 pp | -23.5% | Yes |
| Northrop Grumman → NOC | United States | $48.3bn | 0.229% | +0.228 pp | -0.081 pp | -16.5% | Yes |
| L3Harris → LHX | United States | $34.8bn | 0.165% | +0.165 pp | -0.073 pp | -20.6% | Yes |
| Howmet Aerospace → HWM | United States | $7.5bn | 0.036% | +0.036 pp | +0.036 pp | -18.0% | Yes |
| TransDigm Group → TDG | United States | $25.9bn | 0.123% | +0.122 pp | -0.024 pp | -4.1% | Yes |
| Huntington Ingalls Industries → HII | United States | $6.0bn | 0.028% | +0.028 pp | -0.020 pp | -33.3% | Yes |
| Textron → TXT | United States | $8.2bn | 0.039% | +0.039 pp | -0.016 pp | -22.2% | Yes |
| RTX Corporation → RTX | United States | $82.5bn | 0.391% | +0.390 pp | -0.016 pp | -38.3% | 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.