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 Machinery & Supplies & Components0.72%-0.30 ppHuman Resource & Employment Services0.16%-0.24 ppAerospace & Defense2.04%-0.20 ppEnvironmental & Facilities Services0.30%-0.18 ppRail Transportation0.42%-0.17 ppIndustrial Conglomerates0.43%-0.16 ppDiversified Support Services0.19%-0.15 ppPassenger Ground Transportation0.21%-0.14 ppBuilding Products0.41%-0.14 ppConstruction & Engineering0.25%+0.13 ppElectrical Components & Equipment0.45%-0.13 ppHeavy Electrical Equipment0.34%+0.12 ppAir Freight & Logistics0.27%-0.10 ppResearch & Consulting Services0.07%-0.09 ppConstruction Machinery & Heavy Transportation Equipment0.74%+0.06 ppAgricultural & Farm Machinery0.23%-0.06 ppPassenger Airlines0.14%-0.06 ppData Processing & Outsourced Services0.03%-0.03 ppCargo Ground Transportation0.09%-0.03 ppTrading Companies & Distributors0.15%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.04%
Industry change · 12M
-0.20 pp
Aerospace & Defense · contribution
-0.205 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 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 |
|---|---|---|---|---|---|---|---|
| TransDigm Group → TDG | United States | $73.6bn | 0.101% | -0.049 pp | -0.070 pp | +1.8% | No |
| Boeing → BA | United States | $178.7bn | 0.245% | -0.037 pp | -0.048 pp | +30.3% | No |
| Axon Enterprise → AXON | United States | $43.6bn | 0.060% | -0.024 pp | -0.031 pp | +2.6% | No |
| Lockheed Martin → LMT | United States | $151.4bn | 0.208% | -0.000 pp | -0.029 pp | +50.4% | No |
| RTX Corporation → RTX | United States | $272.0bn | 0.373% | -0.087 pp | -0.023 pp | +54.9% | No |
| Howmet Aerospace → HWM | United States | $105.3bn | 0.144% | -0.017 pp | +0.021 pp | +92.7% | No |
| General Dynamics → GD | United States | $96.5bn | 0.133% | -0.049 pp | -0.020 pp | +44.1% | No |
| Huntington Ingalls Industries → HII | United States | $17.4bn | 0.024% | -0.000 pp | +0.009 pp | +157.9% | No |
| Northrop Grumman → NOC | United States | $102.8bn | 0.141% | -0.019 pp | -0.008 pp | +60.1% | No |
| Textron → TXT | United States | $17.2bn | 0.024% | -0.005 pp | -0.007 pp | +32.1% | No |
| L3Harris → LHX | United States | $68.1bn | 0.093% | -0.009 pp | +0.007 pp | +80.3% | No |
| GE Aerospace → GE | United States | $359.0bn | 0.493% | -0.126 pp | -0.004 pp | +66.3% | 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.