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
Construction Machinery & Heavy Transportation Equipment0.75%+0.17 ppRail Transportation0.85%-0.17 ppIndustrial Conglomerates0.77%-0.10 ppAir Freight & Logistics0.70%-0.09 ppIndustrial Machinery & Supplies & Components1.16%+0.07 ppAgricultural & Farm Machinery0.44%+0.05 ppHeavy Electrical Equipment0.03%-0.04 ppDiversified Support Services0.14%+0.04 ppTrading Companies & Distributors0.17%+0.03 ppAerospace & Defense2.51%+0.03 ppElectrical Components & Equipment0.64%+0.03 ppConstruction & Engineering0.13%+0.03 ppEnvironmental & Facilities Services0.42%+0.02 ppHuman Resource & Employment Services0.46%+0.01 ppPassenger Airlines0.22%-0.01 ppResearch & Consulting Services0.18%-0.01 ppBuilding Products0.53%+0.01 ppCargo Ground Transportation0.13%-0.00 ppData Processing & Outsourced Services0.06%-0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.51%
Industry change · 12M
+0.03 pp
Aerospace & Defense · contribution
+0.029 pp
Company participation
55%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 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 |
|---|---|---|---|---|---|---|---|
| GE Aerospace → GE | United States | $73.6bn | 0.259% | +0.060 pp | +0.032 pp | +14.1% | Yes |
| L3Harris → LHX | United States | $40.1bn | 0.141% | -0.006 pp | -0.028 pp | -14.7% | No |
| RTX Corporation → RTX | United States | $143.7bn | 0.505% | +0.013 pp | -0.026 pp | -2.3% | Yes |
| Lockheed Martin → LMT | United States | $121.1bn | 0.426% | -0.006 pp | +0.016 pp | +12.1% | No |
| TransDigm Group → TDG | United States | $40.6bn | 0.143% | +0.027 pp | +0.015 pp | +14.8% | Yes |
| Northrop Grumman → NOC | United States | $71.0bn | 0.250% | -0.029 pp | +0.010 pp | +6.5% | No |
| Howmet Aerospace → HWM | United States | $17.4bn | 0.061% | +0.008 pp | +0.009 pp | +17.8% | Yes |
| Boeing → BA | United States | $120.6bn | 0.424% | +0.062 pp | +0.009 pp | -1.8% | Yes |
| General Dynamics → GD | United States | $62.5bn | 0.220% | -0.015 pp | -0.006 pp | -0.6% | No |
| Textron → TXT | United States | $14.9bn | 0.052% | +0.002 pp | -0.003 pp | -0.7% | Yes |
| Huntington Ingalls Industries → HII | United States | $8.6bn | 0.030% | -0.001 pp | +0.002 pp | +7.6% | 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.