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
Passenger Ground Transportation0.36%+0.36 ppAerospace & Defense2.20%-0.21 ppHeavy Electrical Equipment0.22%+0.20 ppAir Freight & Logistics0.42%-0.18 ppRail Transportation0.62%-0.16 ppDiversified Support Services0.37%+0.14 ppIndustrial Conglomerates0.58%-0.11 ppAgricultural & Farm Machinery0.26%-0.10 ppIndustrial Machinery & Supplies & Components1.10%-0.07 ppBuilding Products0.55%+0.07 ppHuman Resource & Employment Services0.40%-0.05 ppElectrical Components & Equipment0.62%-0.04 ppEnvironmental & Facilities Services0.46%-0.04 ppPassenger Airlines0.19%+0.04 ppConstruction Machinery & Heavy Transportation Equipment0.74%+0.03 ppTrading Companies & Distributors0.18%+0.03 ppConstruction & Engineering0.15%+0.02 ppResearch & Consulting Services0.17%-0.01 ppCargo Ground Transportation0.14%+0.01 ppData Processing & Outsourced Services0.06%-0.01 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.20%
Industry change · 12M
-0.21 pp
Aerospace & Defense · contribution
-0.213 pp
Company participation
83%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 2024 · 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 | $92.3bn | 0.217% | +0.006 pp | -0.167 pp | -20.1% | No |
| GE Aerospace → GE | United States | $185.9bn | 0.437% | +0.106 pp | +0.116 pp | +99.2% | Yes |
| Lockheed Martin → LMT | United States | $129.4bn | 0.304% | +0.073 pp | -0.079 pp | +23.4% | Yes |
| Northrop Grumman → NOC | United States | $74.2bn | 0.174% | +0.047 pp | -0.067 pp | +9.8% | Yes |
| General Dynamics → GD | United States | $80.2bn | 0.188% | +0.041 pp | -0.035 pp | +23.3% | Yes |
| Howmet Aerospace → HWM | United States | $40.7bn | 0.096% | +0.026 pp | +0.034 pp | +126.9% | Yes |
| Axon Enterprise → AXON | United States | $32.0bn | 0.075% | +0.035 pp | +0.023 pp | +107.1% | Yes |
| RTX Corporation → RTX | United States | $161.0bn | 0.378% | +0.098 pp | -0.019 pp | +52.5% | Yes |
| TransDigm Group → TDG | United States | $73.1bn | 0.172% | +0.042 pp | +0.016 pp | +72.1% | Yes |
| Textron → TXT | United States | $14.9bn | 0.035% | +0.004 pp | -0.016 pp | +5.9% | Yes |
| Huntington Ingalls Industries → HII | United States | $7.2bn | 0.017% | -0.003 pp | -0.013 pp | -14.2% | No |
| L3Harris → LHX | United States | $46.9bn | 0.110% | +0.033 pp | -0.005 pp | +41.0% | 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.