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 & Defense3.90%+3.90 ppIndustrial Machinery & Supplies & Components1.13%+1.13 ppIndustrial Conglomerates1.01%+1.01 ppRail Transportation0.93%+0.93 ppAir Freight & Logistics0.77%+0.77 ppElectrical Components & Equipment0.67%+0.67 ppConstruction Machinery & Heavy Transportation Equipment0.62%+0.62 ppBuilding Products0.61%+0.61 ppHuman Resource & Employment Services0.43%+0.43 ppEnvironmental & Facilities Services0.41%+0.41 ppAgricultural & Farm Machinery0.39%+0.39 ppPassenger Airlines0.24%+0.24 ppResearch & Consulting Services0.22%+0.22 ppTrading Companies & Distributors0.14%+0.14 ppCargo Ground Transportation0.12%+0.12 ppDiversified Support Services0.11%+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
3.90%
Industry change · 12M
+3.90 pp
Aerospace & Defense · contribution
+3.895 pp
Company participation
73%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 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 | $576.7bn | 1.928% | -0.275 pp | +1.927 pp | +108.7% | Yes |
| Boeing → BA | United States | $128.7bn | 0.430% | -0.087 pp | +0.430 pp | +27.8% | No |
| RTX Corporation → RTX | United States | $127.8bn | 0.427% | -0.054 pp | +0.427 pp | +42.5% | Yes |
| Lockheed Martin → LMT | United States | $99.6bn | 0.333% | -0.047 pp | +0.333 pp | -5.1% | No |
| Northrop Grumman → NOC | United States | $58.9bn | 0.197% | -0.014 pp | +0.197 pp | +9.3% | Yes |
| General Dynamics → GD | United States | $56.0bn | 0.187% | -0.005 pp | +0.187 pp | +37.9% | Yes |
| L3Harris → LHX | United States | $46.8bn | 0.157% | -0.004 pp | +0.156 pp | +31.4% | Yes |
| TransDigm Group → TDG | United States | $33.5bn | 0.112% | -0.016 pp | +0.112 pp | +21.6% | Yes |
| Textron → TXT | United States | $16.3bn | 0.054% | -0.001 pp | +0.054 pp | +84.6% | Yes |
| Howmet Aerospace → HWM | United States | $13.6bn | 0.046% | -0.010 pp | +0.045 pp | +81.3% | No |
| Huntington Ingalls Industries → HII | United States | $8.2bn | 0.027% | -0.004 pp | +0.027 pp | +38.0% | 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.