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 & Defense5.54%-1.28 ppAir Freight & Logistics0.78%-0.19 ppRail Transportation1.12%+0.13 ppHuman Resource & Employment Services0.57%+0.11 ppEnvironmental & Facilities Services0.45%+0.10 ppData Processing & Outsourced Services0.08%+0.08 ppConstruction Machinery & Heavy Transportation Equipment0.73%-0.06 ppIndustrial Machinery & Supplies & Components0.98%-0.03 ppDiversified Support Services0.05%+0.03 ppAgricultural & Farm Machinery0.29%+0.02 ppPassenger Airlines0.51%-0.02 ppResearch & Consulting Services0.21%+0.02 ppCargo Ground Transportation0.06%-0.02 ppElectrical Components & Equipment0.67%-0.02 ppBuilding Products0.46%+0.02 ppIndustrial Conglomerates1.20%-0.02 ppConstruction & Engineering0.08%+0.01 ppTrading Companies & Distributors0.09%-0.01 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
5.54%
Industry change · 12M
-1.28 pp
Aerospace & Defense · contribution
-1.283 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 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 | $442.0bn | 2.463% | +1.066 pp | -1.135 pp | -23.3% | Yes |
| General Dynamics → GD | United States | $51.6bn | 0.288% | +0.120 pp | -0.080 pp | -9.3% | Yes |
| Northrop Grumman → NOC | United States | $49.2bn | 0.274% | +0.120 pp | -0.071 pp | -8.5% | Yes |
| RTX Corporation → RTX | United States | $77.4bn | 0.431% | +0.235 pp | +0.059 pp | +21.4% | Yes |
| TransDigm Group → TDG | United States | $25.5bn | 0.142% | +0.074 pp | +0.039 pp | +50.5% | Yes |
| Lockheed Martin → LMT | United States | $94.2bn | 0.525% | +0.253 pp | -0.038 pp | +6.7% | Yes |
| Textron → TXT | United States | $12.3bn | 0.069% | +0.026 pp | -0.029 pp | -14.6% | Yes |
| Huntington Ingalls Industries → HII | United States | $9.2bn | 0.052% | +0.022 pp | -0.015 pp | -7.2% | Yes |
| Boeing → BA | United States | $212.5bn | 1.184% | +0.462 pp | -0.010 pp | +15.5% | Yes |
| L3Harris → LHX | United States | $19.9bn | 0.111% | +0.051 pp | -0.004 pp | +9.6% | 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.