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 & Defense2.57%+0.51 ppConstruction Machinery & Heavy Transportation Equipment0.72%+0.14 ppAgricultural & Farm Machinery0.46%+0.12 ppRail Transportation0.90%-0.12 ppAir Freight & Logistics0.67%-0.11 ppBuilding Products0.51%-0.09 ppHeavy Electrical Equipment0.02%-0.05 ppResearch & Consulting Services0.19%-0.05 ppDiversified Support Services0.15%+0.04 ppIndustrial Conglomerates0.87%-0.03 ppEnvironmental & Facilities Services0.44%+0.03 ppConstruction & Engineering0.12%+0.02 ppHuman Resource & Employment Services0.51%+0.02 ppElectrical Components & Equipment0.65%+0.02 ppIndustrial Machinery & Supplies & Components1.10%-0.02 ppPassenger Airlines0.19%-0.01 ppCargo Ground Transportation0.12%-0.01 ppData Processing & Outsourced Services0.06%-0.01 ppTrading Companies & Distributors0.14%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.57%
Industry change · 12M
+0.51 pp
Aerospace & Defense · contribution
+0.507 pp
Company participation
91%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 2022 · 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 |
|---|---|---|---|---|---|---|---|
| Lockheed Martin → LMT | United States | $127.5bn | 0.460% | +0.058 pp | +0.146 pp | +40.5% | Yes |
| RTX Corporation → RTX | United States | $148.4bn | 0.535% | +0.060 pp | +0.123 pp | +20.0% | Yes |
| Northrop Grumman → NOC | United States | $84.0bn | 0.303% | +0.017 pp | +0.106 pp | +43.0% | Yes |
| General Dynamics → GD | United States | $68.1bn | 0.246% | +0.017 pp | +0.059 pp | +21.7% | Yes |
| Boeing → BA | United States | $113.5bn | 0.410% | +0.127 pp | +0.031 pp | -5.4% | Yes |
| Howmet Aerospace → HWM | United States | $16.3bn | 0.059% | +0.008 pp | +0.015 pp | +24.2% | Yes |
| TransDigm Group → TDG | United States | $34.2bn | 0.124% | +0.012 pp | +0.011 pp | +1.8% | Yes |
| Huntington Ingalls Industries → HII | United States | $9.2bn | 0.033% | -0.002 pp | +0.009 pp | +26.3% | Yes |
| L3Harris → LHX | United States | $39.6bn | 0.143% | -0.013 pp | +0.009 pp | -0.5% | No |
| GE Aerospace → GE | United States | $57.0bn | 0.206% | +0.040 pp | -0.001 pp | -10.9% | Yes |
| Textron → TXT | United States | $14.8bn | 0.053% | +0.005 pp | -0.001 pp | -8.2% | Yes |
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.