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 & Defense2.14%+2.13 ppIndustrial Machinery & Supplies & Components0.57%+0.57 ppIndustrial Conglomerates0.54%+0.54 ppRail Transportation0.45%+0.45 ppAir Freight & Logistics0.39%+0.39 ppConstruction Machinery & Heavy Transportation Equipment0.38%+0.38 ppElectrical Components & Equipment0.32%+0.32 ppBuilding Products0.27%+0.27 ppAgricultural & Farm Machinery0.22%+0.22 ppHuman Resource & Employment Services0.21%+0.21 ppEnvironmental & Facilities Services0.18%+0.18 ppPassenger Airlines0.16%+0.16 ppResearch & Consulting Services0.09%+0.09 ppTrading Companies & Distributors0.07%+0.07 ppDiversified Support Services0.05%+0.05 ppCargo Ground Transportation0.05%+0.05 ppConstruction & Engineering0.05%+0.05 ppData Processing & Outsourced Services0.03%+0.03 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.14%
Industry change · 12M
+2.13 pp
Aerospace & Defense · contribution
+2.133 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 2021 · 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 | $548.0bn | 1.095% | -0.792 pp | +1.093 pp | +15.8% | No |
| Boeing → BA | United States | $123.6bn | 0.247% | -0.258 pp | +0.246 pp | -22.9% | No |
| RTX Corporation → RTX | United States | $109.4bn | 0.219% | -0.244 pp | +0.218 pp | -9.8% | No |
| Lockheed Martin → LMT | United States | $92.5bn | 0.185% | -0.249 pp | +0.184 pp | -8.3% | No |
| Northrop Grumman → NOC | United States | $48.6bn | 0.097% | -0.117 pp | +0.097 pp | -9.7% | No |
| General Dynamics → GD | United States | $46.8bn | 0.094% | -0.089 pp | +0.093 pp | +5.5% | No |
| L3Harris → LHX | United States | $38.2bn | 0.076% | -0.095 pp | +0.076 pp | -6.3% | No |
| TransDigm Group → TDG | United States | $31.5bn | 0.063% | -0.071 pp | +0.063 pp | +3.4% | No |
| Howmet Aerospace → HWM | United States | $12.2bn | 0.024% | -0.019 pp | +0.024 pp | +24.9% | No |
| Textron → TXT | United States | $11.4bn | 0.023% | -0.021 pp | +0.023 pp | +24.3% | No |
| Huntington Ingalls Industries → HII | United States | $7.1bn | 0.014% | -0.013 pp | +0.014 pp | -12.3% | 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.