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 & Defense4.04%-1.18 ppPassenger Airlines0.27%-0.17 ppIndustrial Machinery & Supplies & Components1.16%+0.15 ppAir Freight & Logistics0.83%+0.14 ppIndustrial Conglomerates1.20%-0.12 ppBuilding Products0.53%+0.11 ppAgricultural & Farm Machinery0.34%+0.07 ppHuman Resource & Employment Services0.44%-0.07 ppRail Transportation0.91%-0.05 ppEnvironmental & Facilities Services0.38%-0.04 ppResearch & Consulting Services0.23%+0.03 ppElectrical Components & Equipment0.62%-0.03 ppConstruction Machinery & Heavy Transportation Equipment0.67%-0.02 ppCargo Ground Transportation0.10%+0.02 ppTrading Companies & Distributors0.12%+0.01 ppConstruction & Engineering0.09%+0.01 ppData Processing & Outsourced Services0.07%+0.00 ppDiversified Support Services0.13%+0.00 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
4.04%
Industry change · 12M
-1.18 pp
Aerospace & Defense · contribution
-1.180 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 2020 · 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 | $471.5bn | 1.908% | +1.907 pp | -0.475 pp | -2.7% | Yes |
| Boeing → BA | United States | $120.8bn | 0.489% | +0.489 pp | -0.410 pp | -33.9% | Yes |
| Lockheed Martin → LMT | United States | $99.3bn | 0.402% | +0.401 pp | -0.137 pp | -6.5% | Yes |
| Northrop Grumman → NOC | United States | $50.8bn | 0.206% | +0.205 pp | -0.079 pp | -9.9% | Yes |
| General Dynamics → GD | United States | $42.7bn | 0.173% | +0.173 pp | -0.077 pp | -13.1% | Yes |
| L3Harris → LHX | United States | $39.7bn | 0.161% | +0.161 pp | -0.054 pp | -2.8% | Yes |
| Howmet Aerospace → HWM | United States | $12.4bn | 0.050% | +0.050 pp | +0.050 pp | +21.0% | Yes |
| RTX Corporation → RTX | United States | $108.6bn | 0.440% | +0.439 pp | +0.040 pp | -22.0% | Yes |
| Huntington Ingalls Industries → HII | United States | $6.9bn | 0.028% | +0.028 pp | -0.022 pp | -30.5% | Yes |
| TransDigm Group → TDG | United States | $33.7bn | 0.136% | +0.136 pp | -0.011 pp | +10.5% | Yes |
| Textron → TXT | United States | $11.1bn | 0.045% | +0.045 pp | -0.005 pp | +8.6% | 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.