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 & Defense5.45%-1.10 ppIndustrial Conglomerates2.27%+1.06 ppAir Freight & Logistics0.72%-0.19 ppEnvironmental & Facilities Services0.46%+0.11 ppIndustrial Machinery & Supplies & Components0.92%-0.07 ppElectrical Components & Equipment0.63%-0.06 ppHuman Resource & Employment Services0.55%+0.04 ppPassenger Airlines0.47%-0.03 ppBuilding Products0.47%+0.03 ppCargo Ground Transportation0.05%-0.03 ppDiversified Support Services0.06%+0.03 ppResearch & Consulting Services0.22%+0.02 ppTrading Companies & Distributors0.08%-0.01 ppRail Transportation1.04%+0.01 ppAgricultural & Farm Machinery0.28%+0.01 ppConstruction & Engineering0.08%+0.01 ppConstruction Machinery & Heavy Transportation Equipment0.72%+0.00 ppData Processing & Outsourced Services0.08%-0.00 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
5.45%
Industry change · 12M
-1.10 pp
Aerospace & Defense · contribution
-1.099 pp
Company participation
90%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2019 · 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 | $456.4bn | 2.460% | -0.030 pp | -0.977 pp | -18.7% | Yes |
| Boeing → BA | United States | $204.8bn | 1.104% | -0.134 pp | -0.082 pp | +10.7% | No |
| General Dynamics → GD | United States | $52.5bn | 0.283% | +0.003 pp | -0.053 pp | -0.4% | Yes |
| Lockheed Martin → LMT | United States | $102.7bn | 0.554% | +0.066 pp | +0.042 pp | +26.4% | Yes |
| Textron → TXT | United States | $12.3bn | 0.067% | -0.002 pp | -0.036 pp | -19.4% | Yes |
| Northrop Grumman → NOC | United States | $54.9bn | 0.296% | +0.033 pp | -0.030 pp | +6.8% | Yes |
| TransDigm Group → TDG | United States | $25.7bn | 0.139% | +0.001 pp | +0.029 pp | +40.2% | Yes |
| L3Harris → LHX | United States | $22.3bn | 0.120% | +0.012 pp | +0.016 pp | +33.1% | Yes |
| Huntington Ingalls Industries → HII | United States | $9.3bn | 0.050% | +0.001 pp | -0.008 pp | +5.2% | Yes |
| RTX Corporation → RTX | United States | $70.7bn | 0.381% | -0.021 pp | -0.001 pp | +6.5% | 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.