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 & Defense4.02%+4.02 ppIndustrial Machinery & Supplies & Components1.09%+1.08 ppIndustrial Conglomerates0.96%+0.96 ppRail Transportation0.89%+0.89 ppAir Freight & Logistics0.73%+0.73 ppElectrical Components & Equipment0.63%+0.63 ppConstruction Machinery & Heavy Transportation Equipment0.60%+0.60 ppBuilding Products0.58%+0.58 ppHuman Resource & Employment Services0.44%+0.44 ppEnvironmental & Facilities Services0.42%+0.42 ppAgricultural & Farm Machinery0.36%+0.36 ppPassenger Airlines0.26%+0.26 ppResearch & Consulting Services0.22%+0.22 ppTrading Companies & Distributors0.14%+0.14 ppCargo Ground Transportation0.12%+0.12 ppDiversified Support Services0.11%+0.11 ppConstruction & Engineering0.11%+0.11 ppHeavy Electrical Equipment0.09%+0.09 ppData Processing & Outsourced Services0.07%+0.07 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
4.02%
Industry change · 12M
+4.02 pp
Aerospace & Defense · contribution
+4.019 pp
Company participation
27%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 | $563.7bn | 1.979% | -0.100 pp | +1.978 pp | +107.4% | No |
| RTX Corporation → RTX | United States | $129.6bn | 0.455% | -0.001 pp | +0.455 pp | +53.2% | Yes |
| Boeing → BA | United States | $128.9bn | 0.453% | -0.042 pp | +0.452 pp | +33.1% | No |
| Lockheed Martin → LMT | United States | $95.6bn | 0.336% | -0.036 pp | +0.335 pp | -7.4% | No |
| Northrop Grumman → NOC | United States | $57.7bn | 0.202% | -0.004 pp | +0.202 pp | +16.2% | No |
| General Dynamics → GD | United States | $54.8bn | 0.192% | +0.005 pp | +0.192 pp | +45.6% | Yes |
| L3Harris → LHX | United States | $44.3bn | 0.155% | -0.001 pp | +0.155 pp | +32.1% | No |
| TransDigm Group → TDG | United States | $34.4bn | 0.121% | -0.005 pp | +0.121 pp | +31.5% | No |
| Textron → TXT | United States | $15.6bn | 0.055% | +0.000 pp | +0.055 pp | +93.7% | Yes |
| Howmet Aerospace → HWM | United States | $13.4bn | 0.047% | -0.006 pp | +0.047 pp | +86.7% | No |
| Huntington Ingalls Industries → HII | United States | $7.7bn | 0.027% | -0.003 pp | +0.027 pp | +40.5% | 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.