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 Transportation0.37%+0.37 ppAir Freight & Logistics0.43%-0.22 ppHeavy Electrical Equipment0.19%+0.16 ppRail Transportation0.64%-0.13 ppIndustrial Conglomerates0.59%-0.10 ppAgricultural & Farm Machinery0.27%-0.10 ppHuman Resource & Employment Services0.38%-0.09 ppElectrical Components & Equipment0.62%-0.08 ppBuilding Products0.58%+0.06 ppConstruction Machinery & Heavy Transportation Equipment0.74%-0.05 ppEnvironmental & Facilities Services0.46%+0.04 ppIndustrial Machinery & Supplies & Components1.10%-0.03 ppTrading Companies & Distributors0.17%+0.02 ppPassenger Airlines0.16%-0.02 ppResearch & Consulting Services0.17%-0.02 ppData Processing & Outsourced Services0.06%-0.01 ppAerospace & Defense2.29%+0.00 ppDiversified Support Services0.22%-0.00 ppConstruction & Engineering0.14%+0.00 ppCargo Ground Transportation0.14%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.29%
Industry change · 12M
+0.00 pp
Aerospace & Defense · contribution
+0.004 pp
Company participation
92%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 | $93.7bn | 0.218% | +0.009 pp | -0.168 pp | -20.7% | No |
| GE Aerospace → GE | United States | $204.5bn | 0.476% | +0.150 pp | +0.155 pp | +114.9% | Yes |
| Northrop Grumman → NOC | United States | $77.2bn | 0.180% | +0.059 pp | -0.043 pp | +22.0% | Yes |
| Howmet Aerospace → HWM | United States | $40.9bn | 0.095% | +0.036 pp | +0.032 pp | +117.5% | Yes |
| TransDigm Group → TDG | United States | $80.1bn | 0.186% | +0.052 pp | +0.031 pp | +75.5% | Yes |
| RTX Corporation → RTX | United States | $161.2bn | 0.375% | +0.125 pp | +0.025 pp | +72.7% | Yes |
| Axon Enterprise → AXON | United States | $30.2bn | 0.070% | +0.029 pp | +0.021 pp | +100.8% | Yes |
| Lockheed Martin → LMT | United States | $139.3bn | 0.324% | +0.114 pp | -0.020 pp | +46.8% | Yes |
| Textron → TXT | United States | $16.6bn | 0.039% | +0.008 pp | -0.013 pp | +13.5% | Yes |
| General Dynamics → GD | United States | $83.0bn | 0.193% | +0.044 pp | -0.008 pp | +39.7% | Yes |
| L3Harris → LHX | United States | $45.1bn | 0.105% | +0.025 pp | -0.005 pp | +39.6% | Yes |
| Huntington Ingalls Industries → HII | United States | $10.4bn | 0.024% | +0.006 pp | -0.003 pp | +31.8% | 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.