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 & Defense4.00%+4.00 ppIndustrial Machinery & Supplies & Components1.14%+1.14 ppIndustrial Conglomerates1.05%+1.05 ppRail Transportation0.96%+0.96 ppAir Freight & Logistics0.79%+0.79 ppElectrical Components & Equipment0.66%+0.66 ppConstruction Machinery & Heavy Transportation Equipment0.63%+0.62 ppBuilding Products0.62%+0.62 ppHuman Resource & Employment Services0.45%+0.45 ppEnvironmental & Facilities Services0.41%+0.41 ppAgricultural & Farm Machinery0.39%+0.39 ppPassenger Airlines0.24%+0.24 ppResearch & Consulting Services0.21%+0.21 ppTrading Companies & Distributors0.14%+0.14 ppDiversified Support Services0.12%+0.12 ppCargo Ground Transportation0.11%+0.11 ppConstruction & Engineering0.09%+0.09 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
4.00%
Industry change · 12M
+4.00 pp
Aerospace & Defense · contribution
+3.995 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 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 | $566.8bn | 1.943% | -0.137 pp | +1.942 pp | +114.2% | Yes |
| Boeing → BA | United States | $132.8bn | 0.455% | -0.041 pp | +0.455 pp | +43.3% | Yes |
| RTX Corporation → RTX | United States | $131.1bn | 0.450% | -0.008 pp | +0.449 pp | +57.6% | Yes |
| Lockheed Martin → LMT | United States | $102.9bn | 0.353% | -0.030 pp | +0.352 pp | +0.8% | Yes |
| Northrop Grumman → NOC | United States | $58.1bn | 0.199% | -0.007 pp | +0.199 pp | +13.7% | Yes |
| General Dynamics → GD | United States | $54.8bn | 0.188% | -0.007 pp | +0.188 pp | +37.3% | Yes |
| L3Harris → LHX | United States | $46.5bn | 0.159% | +0.003 pp | +0.159 pp | +37.3% | Yes |
| TransDigm Group → TDG | United States | $35.2bn | 0.121% | -0.001 pp | +0.121 pp | +48.5% | Yes |
| Textron → TXT | United States | $15.5bn | 0.053% | +0.000 pp | +0.053 pp | +97.8% | Yes |
| Howmet Aerospace → HWM | United States | $14.3bn | 0.049% | -0.001 pp | +0.049 pp | +122.1% | Yes |
| Huntington Ingalls Industries → HII | United States | $8.3bn | 0.028% | -0.003 pp | +0.028 pp | +21.1% | 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.