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
Industrial Conglomerates0.29%-0.25 ppConstruction Machinery & Heavy Transportation Equipment0.93%+0.23 ppAerospace & Defense2.39%-0.19 ppConstruction & Engineering0.33%+0.17 ppPassenger Ground Transportation0.26%-0.15 ppElectrical Components & Equipment0.74%+0.13 ppIndustrial Machinery & Supplies & Components0.82%-0.12 ppEnvironmental & Facilities Services0.33%-0.12 ppDiversified Support Services0.21%-0.11 ppBuilding Products0.46%-0.11 ppHuman Resource & Employment Services0.26%-0.09 ppResearch & Consulting Services0.08%-0.06 ppRail Transportation0.58%+0.05 ppCargo Ground Transportation0.14%+0.05 ppHeavy Electrical Equipment0.42%+0.05 ppAir Freight & Logistics0.32%+0.04 ppTrading Companies & Distributors0.27%+0.03 ppData Processing & Outsourced Services0.03%-0.03 ppAgricultural & Farm Machinery0.29%+0.03 ppPassenger Airlines0.18%-0.01 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.39%
Industry change · 12M
-0.19 pp
Aerospace & Defense · contribution
-0.194 pp
Company participation
46%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 2026 · 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 |
|---|---|---|---|---|---|---|---|
| Boeing → BA | United States | $164.2bn | 0.273% | -0.042 pp | -0.094 pp | -11.5% | No |
| Honeywell Aerospace → HONA | United States | $50.1bn | 0.083% | +0.083 pp | +0.083 pp | +0.0% | Yes |
| TransDigm Group → TDG | United States | $64.8bn | 0.108% | -0.014 pp | -0.056 pp | -10.5% | No |
| Northrop Grumman → NOC | United States | $76.7bn | 0.128% | -0.011 pp | -0.047 pp | -6.7% | No |
| Axon Enterprise → AXON | United States | $46.0bn | 0.077% | +0.014 pp | -0.045 pp | -24.2% | Yes |
| RTX Corporation → RTX | United States | $280.0bn | 0.466% | +0.047 pp | +0.026 pp | +32.9% | Yes |
| L3Harris → LHX | United States | $49.6bn | 0.083% | -0.019 pp | -0.025 pp | -2.5% | No |
| GE Aerospace → GE | United States | $348.3bn | 0.580% | -0.005 pp | -0.025 pp | +22.6% | Yes |
| Howmet Aerospace → HWM | United States | $97.7bn | 0.163% | -0.016 pp | +0.017 pp | +41.0% | No |
| General Dynamics → GD | United States | $100.4bn | 0.167% | +0.005 pp | -0.014 pp | +16.4% | Yes |
| Textron → TXT | United States | $13.9bn | 0.023% | -0.005 pp | -0.007 pp | +0.6% | No |
| Lockheed Martin → LMT | United States | $129.5bn | 0.216% | +0.004 pp | -0.005 pp | +26.5% | Yes |
| Huntington Ingalls Industries → HII | United States | $11.5bn | 0.019% | -0.002 pp | -0.003 pp | +9.3% | 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.