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 & Defense6.76%-0.32 ppIndustrial Conglomerates1.30%-0.07 ppAir Freight & Logistics0.92%-0.06 ppRail Transportation0.98%+0.04 ppConstruction Machinery & Heavy Transportation Equipment0.80%-0.03 ppPassenger Airlines0.57%+0.01 ppResearch & Consulting Services0.19%+0.01 ppEnvironmental & Facilities Services0.36%+0.01 ppHuman Resource & Employment Services0.44%-0.01 ppBuilding Products0.46%-0.01 ppElectrical Components & Equipment0.73%+0.01 ppTrading Companies & Distributors0.11%+0.00 ppCargo Ground Transportation0.08%+0.00 ppAgricultural & Farm Machinery0.31%+0.00 ppDiversified Support Services0.03%+0.00 ppConstruction & Engineering0.07%+0.00 ppIndustrial Machinery & Supplies & Components1.08%+0.00 ppData Processing & Outsourced Services0.00%+0.00 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
6.76%
Industry change · 12M
-0.32 pp
Aerospace & Defense · contribution
-0.319 pp
Company participation
70%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 2018 · 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 | $560.9bn | 3.441% | -0.392 pp | -0.392 pp | -15.9% | No |
| Northrop Grumman → NOC | United States | $60.8bn | 0.373% | +0.035 pp | +0.035 pp | +2.9% | Yes |
| General Dynamics → GD | United States | $65.6bn | 0.402% | +0.024 pp | +0.024 pp | -0.7% | Yes |
| Boeing → BA | United States | $193.0bn | 1.184% | -0.020 pp | -0.020 pp | -7.0% | No |
| Lockheed Martin → LMT | United States | $96.5bn | 0.592% | +0.012 pp | +0.012 pp | -4.2% | Yes |
| L3Harris → LHX | United States | $19.1bn | 0.117% | +0.010 pp | +0.010 pp | +1.6% | Yes |
| Huntington Ingalls Industries → HII | United States | $11.5bn | 0.071% | +0.010 pp | +0.010 pp | +8.8% | Yes |
| RTX Corporation → RTX | United States | $63.3bn | 0.389% | -0.007 pp | -0.007 pp | -8.3% | No |
| Textron → TXT | United States | $15.4bn | 0.095% | +0.007 pp | +0.007 pp | +0.5% | Yes |
| TransDigm Group → TDG | United States | $16.0bn | 0.098% | +0.004 pp | +0.004 pp | -3.1% | 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.