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 & Defense4.22%+4.21 ppIndustrial Machinery & Supplies & Components1.14%+1.14 ppIndustrial Conglomerates1.05%+1.05 ppAir Freight & Logistics0.87%+0.87 ppRail Transportation0.84%+0.84 ppConstruction Machinery & Heavy Transportation Equipment0.67%+0.67 ppElectrical Components & Equipment0.64%+0.64 ppBuilding Products0.59%+0.59 ppHuman Resource & Employment Services0.43%+0.43 ppEnvironmental & Facilities Services0.39%+0.39 ppAgricultural & Farm Machinery0.39%+0.39 ppPassenger Airlines0.27%+0.27 ppResearch & Consulting Services0.20%+0.20 ppTrading Companies & Distributors0.13%+0.13 ppDiversified Support Services0.11%+0.11 ppCargo Ground Transportation0.11%+0.11 ppConstruction & Engineering0.10%+0.10 ppHeavy Electrical Equipment0.09%+0.09 ppData Processing & Outsourced Services0.07%+0.07 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
4.22%
Industry change · 12M
+4.21 pp
Aerospace & Defense · contribution
+4.211 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2021 · 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 | $588.9bn | 2.079% | +0.957 pp | +2.078 pp | +97.9% | Yes |
| Boeing → BA | United States | $140.1bn | 0.495% | +0.204 pp | +0.494 pp | +30.7% | Yes |
| RTX Corporation → RTX | United States | $129.3bn | 0.456% | +0.227 pp | +0.456 pp | +42.2% | Yes |
| Lockheed Martin → LMT | United States | $105.2bn | 0.371% | +0.169 pp | +0.371 pp | +6.6% | Yes |
| Northrop Grumman → NOC | United States | $58.5bn | 0.207% | +0.101 pp | +0.206 pp | +20.3% | Yes |
| General Dynamics → GD | United States | $53.2bn | 0.188% | +0.086 pp | +0.188 pp | +29.6% | Yes |
| L3Harris → LHX | United States | $44.3bn | 0.156% | +0.075 pp | +0.156 pp | +29.8% | Yes |
| TransDigm Group → TDG | United States | $35.5bn | 0.125% | +0.063 pp | +0.125 pp | +46.4% | Yes |
| Textron → TXT | United States | $15.5bn | 0.055% | +0.030 pp | +0.055 pp | +109.3% | Yes |
| Howmet Aerospace → HWM | United States | $15.0bn | 0.053% | +0.026 pp | +0.053 pp | +117.5% | Yes |
| Huntington Ingalls Industries → HII | United States | $8.5bn | 0.030% | +0.014 pp | +0.030 pp | +23.8% | 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.