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 & Defense2.06%-1.97 ppIndustrial Conglomerates0.90%-0.31 ppRail Transportation1.02%+0.11 ppConstruction Machinery & Heavy Transportation Equipment0.58%-0.09 ppBuilding Products0.60%+0.07 ppHeavy Electrical Equipment0.07%+0.07 ppPassenger Airlines0.21%-0.06 ppHuman Resource & Employment Services0.49%+0.05 ppIndustrial Machinery & Supplies & Components1.11%-0.04 ppAir Freight & Logistics0.78%-0.04 ppEnvironmental & Facilities Services0.42%+0.04 ppCargo Ground Transportation0.13%+0.03 ppDiversified Support Services0.11%-0.02 ppElectrical Components & Equipment0.64%+0.02 ppConstruction & Engineering0.10%+0.01 ppTrading Companies & Distributors0.14%+0.01 ppAgricultural & Farm Machinery0.34%-0.00 ppData Processing & Outsourced Services0.07%-0.00 ppResearch & Consulting Services0.23%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.06%
Industry change · 12M
-1.97 pp
Aerospace & Defense · contribution
-1.973 pp
Company participation
18%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 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 | $64.6bn | 0.207% | -1.772 pp | -1.701 pp | +9.7% | No |
| Boeing → BA | United States | $118.3bn | 0.379% | -0.074 pp | -0.110 pp | -6.0% | No |
| Lockheed Martin → LMT | United States | $98.0bn | 0.314% | -0.022 pp | -0.088 pp | +3.2% | No |
| RTX Corporation → RTX | United States | $128.8bn | 0.413% | -0.042 pp | -0.027 pp | +23.3% | No |
| L3Harris → LHX | United States | $41.8bn | 0.134% | -0.021 pp | -0.027 pp | +15.0% | No |
| TransDigm Group → TDG | United States | $35.2bn | 0.113% | -0.008 pp | -0.024 pp | +2.8% | No |
| General Dynamics → GD | United States | $58.2bn | 0.186% | -0.006 pp | +0.014 pp | +43.8% | No |
| Textron → TXT | United States | $17.0bn | 0.055% | -0.000 pp | +0.010 pp | +59.9% | Yes |
| Northrop Grumman → NOC | United States | $61.4bn | 0.197% | -0.006 pp | -0.009 pp | +29.3% | Yes |
| Howmet Aerospace → HWM | United States | $13.6bn | 0.044% | -0.003 pp | -0.007 pp | +11.7% | No |
| Huntington Ingalls Industries → HII | United States | $7.5bn | 0.024% | -0.003 pp | -0.004 pp | +12.1% | 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.