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 & Defense3.30%-3.78 ppIndustrial Conglomerates0.70%-0.67 ppIndustrial Machinery & Supplies & Components0.57%-0.51 ppAir Freight & Logistics0.51%-0.47 ppConstruction Machinery & Heavy Transportation Equipment0.42%-0.41 ppRail Transportation0.61%-0.33 ppElectrical Components & Equipment0.41%-0.31 ppPassenger Airlines0.32%-0.23 ppBuilding Products0.24%-0.23 ppHuman Resource & Employment Services0.29%-0.16 ppAgricultural & Farm Machinery0.15%-0.15 ppEnvironmental & Facilities Services0.20%-0.15 ppResearch & Consulting Services0.11%-0.07 ppTrading Companies & Distributors0.06%-0.05 ppData Processing & Outsourced Services0.05%+0.05 ppCargo Ground Transportation0.04%-0.03 ppConstruction & Engineering0.04%-0.03 ppDiversified Support Services0.03%+0.00 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
3.30%
Industry change · 12M
-3.78 pp
Aerospace & Defense · contribution
-3.777 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 | $470.2bn | 1.498% | -1.939 pp | -2.335 pp | -28.3% | No |
| Boeing → BA | United States | $213.7bn | 0.681% | -0.505 pp | -0.523 pp | +6.5% | No |
| Lockheed Martin → LMT | United States | $98.5bn | 0.314% | -0.198 pp | -0.266 pp | -0.7% | No |
| General Dynamics → GD | United States | $60.7bn | 0.193% | -0.143 pp | -0.186 pp | -7.1% | No |
| RTX Corporation → RTX | United States | $70.4bn | 0.224% | -0.158 pp | -0.171 pp | +3.0% | No |
| Northrop Grumman → NOC | United States | $55.3bn | 0.176% | -0.149 pp | -0.162 pp | -5.8% | No |
| L3Harris → LHX | United States | $19.9bn | 0.063% | -0.041 pp | -0.045 pp | +7.4% | No |
| Textron → TXT | United States | $17.8bn | 0.057% | -0.046 pp | -0.032 pp | +21.9% | No |
| TransDigm Group → TDG | United States | $19.6bn | 0.062% | -0.047 pp | -0.031 pp | +17.5% | No |
| Huntington Ingalls Industries → HII | United States | $11.1bn | 0.035% | -0.023 pp | -0.026 pp | +8.8% | 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.