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 & Defense1.75%-0.56 ppRail Transportation0.56%-0.39 ppIndustrial Conglomerates0.51%-0.37 ppIndustrial Machinery & Supplies & Components0.77%-0.28 ppAir Freight & Logistics0.47%-0.28 ppConstruction Machinery & Heavy Transportation Equipment0.46%-0.19 ppHuman Resource & Employment Services0.31%-0.19 ppAgricultural & Farm Machinery0.25%-0.14 ppElectrical Components & Equipment0.44%-0.13 ppBuilding Products0.34%-0.13 ppEnvironmental & Facilities Services0.32%-0.13 ppPassenger Airlines0.14%-0.11 ppResearch & Consulting Services0.14%-0.05 ppHeavy Electrical Equipment0.02%-0.04 ppTrading Companies & Distributors0.09%-0.04 ppCargo Ground Transportation0.08%-0.03 ppConstruction & Engineering0.09%-0.02 ppData Processing & Outsourced Services0.04%-0.02 ppDiversified Support Services0.11%-0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
1.75%
Industry change · 12M
-0.56 pp
Aerospace & Defense · contribution
-0.560 pp
Company participation
8%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 2023 · 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 |
|---|---|---|---|---|---|---|---|
| RTX Corporation → RTX | United States | $134.6bn | 0.333% | -0.173 pp | -0.177 pp | -0.9% | No |
| Lockheed Martin → LMT | United States | $112.4bn | 0.278% | -0.148 pp | -0.144 pp | +3.5% | No |
| Northrop Grumman → NOC | United States | $66.1bn | 0.163% | -0.086 pp | -0.099 pp | -5.6% | No |
| General Dynamics → GD | United States | $56.0bn | 0.138% | -0.082 pp | -0.087 pp | -7.2% | No |
| L3Harris → LHX | United States | $33.3bn | 0.082% | -0.059 pp | -0.085 pp | -25.5% | No |
| Axon Enterprise → AXON | United States | $14.3bn | 0.035% | +0.035 pp | +0.035 pp | +90.3% | Yes |
| Boeing → BA | United States | $123.7bn | 0.306% | -0.118 pp | +0.026 pp | +56.5% | No |
| GE Aerospace → GE | United States | $88.2bn | 0.218% | -0.041 pp | +0.025 pp | +66.8% | No |
| Textron → TXT | United States | $12.5bn | 0.031% | -0.022 pp | -0.020 pp | -5.1% | No |
| TransDigm Group → TDG | United States | $42.5bn | 0.105% | -0.038 pp | -0.014 pp | +31.4% | No |
| Huntington Ingalls Industries → HII | United States | $8.0bn | 0.020% | -0.010 pp | -0.011 pp | -2.2% | No |
| Howmet Aerospace → HWM | United States | $17.7bn | 0.044% | -0.017 pp | -0.010 pp | +19.9% | 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.