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 & Defense2.58%+0.23 ppHeavy Electrical Equipment0.37%+0.21 ppAir Freight & Logistics0.29%-0.15 ppRail Transportation0.53%-0.15 ppIndustrial Machinery & Supplies & Components0.95%-0.14 ppDiversified Support Services0.32%+0.10 ppTrading Companies & Distributors0.25%+0.08 ppIndustrial Conglomerates0.54%-0.07 ppCargo Ground Transportation0.09%-0.05 ppPassenger Airlines0.19%+0.05 ppResearch & Consulting Services0.14%-0.04 ppEnvironmental & Facilities Services0.45%-0.04 ppPassenger Ground Transportation0.41%+0.03 ppHuman Resource & Employment Services0.36%-0.03 ppConstruction & Engineering0.15%+0.02 ppConstruction Machinery & Heavy Transportation Equipment0.70%-0.02 ppAgricultural & Farm Machinery0.27%+0.01 ppElectrical Components & Equipment0.60%-0.01 ppBuilding Products0.57%+0.01 ppData Processing & Outsourced Services0.06%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.58%
Industry change · 12M
+0.23 pp
Aerospace & Defense · contribution
+0.231 pp
Company participation
67%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 2025 · 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 | $291.8bn | 0.605% | +0.011 pp | +0.147 pp | +58.6% | Yes |
| Boeing → BA | United States | $177.5bn | 0.368% | +0.014 pp | +0.109 pp | +35.1% | Yes |
| Lockheed Martin → LMT | United States | $106.4bn | 0.221% | -0.036 pp | -0.107 pp | -17.7% | No |
| Axon Enterprise → AXON | United States | $58.7bn | 0.122% | -0.011 pp | +0.055 pp | +104.8% | Yes |
| Howmet Aerospace → HWM | United States | $70.2bn | 0.145% | -0.010 pp | +0.050 pp | +80.6% | No |
| RTX Corporation → RTX | United States | $212.3bn | 0.440% | +0.027 pp | +0.044 pp | +31.2% | Yes |
| TransDigm Group → TDG | United States | $78.8bn | 0.163% | -0.023 pp | -0.023 pp | +7.6% | No |
| General Dynamics → GD | United States | $87.3bn | 0.181% | +0.012 pp | -0.018 pp | +10.7% | Yes |
| Textron → TXT | United States | $14.3bn | 0.030% | -0.001 pp | -0.012 pp | -12.0% | No |
| Northrop Grumman → NOC | United States | $84.5bn | 0.175% | +0.017 pp | -0.010 pp | +14.8% | Yes |
| Huntington Ingalls Industries → HII | United States | $10.6bn | 0.022% | +0.002 pp | -0.005 pp | -1.8% | Yes |
| L3Harris → LHX | United States | $51.9bn | 0.108% | +0.004 pp | -0.001 pp | +19.7% | 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.