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
Latest available · not live
20182026
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Industrials
Aerospace & Defense2.18%-0.41 ppElectrical Components & Equipment0.89%+0.29 ppIndustrial Conglomerates0.28%-0.23 ppConstruction Machinery & Heavy Transportation Equipment0.92%+0.19 ppPassenger Ground Transportation0.24%-0.17 ppConstruction & Engineering0.34%+0.12 ppIndustrial Machinery & Supplies & Components0.79%-0.12 ppEnvironmental & Facilities Services0.31%-0.12 ppDiversified Support Services0.20%-0.10 ppHuman Resource & Employment Services0.23%-0.10 ppHeavy Electrical Equipment0.45%+0.09 ppBuilding Products0.47%-0.07 ppResearch & Consulting Services0.06%-0.07 ppAgricultural & Farm Machinery0.30%+0.06 ppCargo Ground Transportation0.12%+0.04 ppTrading Companies & Distributors0.27%+0.04 ppData Processing & Outsourced Services0.03%-0.02 ppAir Freight & Logistics0.29%+0.02 ppPassenger Airlines0.19%+0.02 ppRail Transportation0.53%-0.02 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.18%
Industry change · 12M
-0.41 pp
Aerospace & Defense · contribution
-0.411 pp
Company participation
8%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 |
|---|---|---|---|---|---|---|---|
| GE Aerospace → GE | United States | $324.0bn | 0.544% | -0.133 pp | -0.094 pp | +4.2% | No |
| Honeywell Aerospace → HONA | United States | $49.1bn | 0.083% | +0.083 pp | +0.083 pp | +0.0% | Yes |
| Boeing → BA | United States | $147.0bn | 0.247% | -0.049 pp | -0.080 pp | -13.8% | No |
| Northrop Grumman → NOC | United States | $68.7bn | 0.115% | -0.010 pp | -0.059 pp | -19.4% | No |
| Axon Enterprise → AXON | United States | $34.3bn | 0.058% | -0.021 pp | -0.055 pp | -41.1% | No |
| TransDigm Group → TDG | United States | $59.8bn | 0.101% | -0.029 pp | -0.048 pp | -17.9% | No |
| L3Harris → LHX | United States | $44.1bn | 0.074% | -0.020 pp | -0.040 pp | -21.2% | No |
| Lockheed Martin → LMT | United States | $117.5bn | 0.197% | -0.007 pp | -0.036 pp | +4.6% | No |
| General Dynamics → GD | United States | $89.7bn | 0.151% | -0.016 pp | -0.033 pp | -1.0% | No |
| RTX Corporation → RTX | United States | $250.2bn | 0.420% | -0.024 pp | -0.028 pp | +12.6% | No |
| Textron → TXT | United States | $13.1bn | 0.022% | -0.006 pp | -0.008 pp | -9.7% | No |
| Howmet Aerospace → HWM | United States | $90.2bn | 0.152% | -0.035 pp | -0.007 pp | +15.5% | No |
| Huntington Ingalls Industries → HII | United States | $10.5bn | 0.018% | -0.001 pp | -0.005 pp | -5.7% | 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.