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 & Defense2.46%+0.32 ppIndustrial Machinery & Supplies & Components0.91%-0.20 ppDiversified Support Services0.27%-0.12 ppHuman Resource & Employment Services0.28%-0.11 ppHeavy Electrical Equipment0.34%+0.11 ppAir Freight & Logistics0.31%-0.10 ppRail Transportation0.53%-0.09 ppConstruction Machinery & Heavy Transportation Equipment0.84%+0.09 ppElectrical Components & Equipment0.59%-0.08 ppConstruction & Engineering0.22%+0.07 ppCargo Ground Transportation0.09%-0.06 ppIndustrial Conglomerates0.53%-0.06 ppEnvironmental & Facilities Services0.41%-0.05 ppResearch & Consulting Services0.11%-0.05 ppBuilding Products0.51%-0.05 ppAgricultural & Farm Machinery0.25%-0.03 ppPassenger Ground Transportation0.36%+0.02 ppPassenger Airlines0.18%-0.02 ppTrading Companies & Distributors0.19%+0.01 ppData Processing & Outsourced Services0.05%-0.01 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.46%
Industry change · 12M
+0.32 pp
Aerospace & Defense · contribution
+0.325 pp
Company participation
42%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 2025 · 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 | $314.8bn | 0.618% | +0.013 pp | +0.183 pp | +64.9% | Yes |
| RTX Corporation → RTX | United States | $234.5bn | 0.461% | +0.021 pp | +0.103 pp | +46.2% | Yes |
| Boeing → BA | United States | $143.7bn | 0.282% | -0.086 pp | +0.070 pp | +21.6% | No |
| Lockheed Martin → LMT | United States | $105.9bn | 0.208% | -0.012 pp | -0.069 pp | -11.1% | No |
| Howmet Aerospace → HWM | United States | $82.3bn | 0.162% | +0.016 pp | +0.055 pp | +73.3% | Yes |
| Axon Enterprise → AXON | United States | $42.6bn | 0.084% | -0.038 pp | -0.025 pp | -16.5% | No |
| General Dynamics → GD | United States | $92.3bn | 0.181% | +0.000 pp | +0.009 pp | +22.8% | Yes |
| Huntington Ingalls Industries → HII | United States | $12.3bn | 0.024% | +0.002 pp | +0.007 pp | +62.2% | Yes |
| Textron → TXT | United States | $14.7bn | 0.029% | -0.001 pp | -0.006 pp | -2.8% | No |
| TransDigm Group → TDG | United States | $76.6bn | 0.150% | -0.013 pp | -0.005 pp | +16.0% | No |
| Northrop Grumman → NOC | United States | $81.7bn | 0.160% | -0.015 pp | +0.003 pp | +18.9% | No |
| L3Harris → LHX | United States | $52.1bn | 0.102% | -0.005 pp | -0.001 pp | +15.3% | No |
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.