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 & Defense2.45%+0.26 ppRail Transportation0.85%-0.16 ppConstruction Machinery & Heavy Transportation Equipment0.72%+0.12 ppIndustrial Conglomerates0.81%-0.09 ppAir Freight & Logistics0.69%-0.09 ppAgricultural & Farm Machinery0.43%+0.04 ppDiversified Support Services0.14%+0.04 ppHeavy Electrical Equipment0.03%-0.03 ppHuman Resource & Employment Services0.46%+0.03 ppBuilding Products0.53%-0.03 ppConstruction & Engineering0.12%+0.02 ppTrading Companies & Distributors0.15%+0.02 ppIndustrial Machinery & Supplies & Components1.12%+0.02 ppEnvironmental & Facilities Services0.41%+0.01 ppResearch & Consulting Services0.19%-0.01 ppElectrical Components & Equipment0.63%+0.01 ppPassenger Airlines0.21%-0.01 ppCargo Ground Transportation0.13%+0.00 ppData Processing & Outsourced Services0.06%-0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.45%
Industry change · 12M
+0.26 pp
Aerospace & Defense · contribution
+0.263 pp
Company participation
55%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2023 · 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 |
|---|---|---|---|---|---|---|---|
| Lockheed Martin → LMT | United States | $118.3bn | 0.405% | -0.048 pp | +0.048 pp | +22.2% | No |
| RTX Corporation → RTX | United States | $146.8bn | 0.502% | +0.008 pp | +0.048 pp | +13.3% | Yes |
| Boeing → BA | United States | $127.4bn | 0.436% | +0.135 pp | +0.043 pp | +6.4% | Yes |
| Northrop Grumman → NOC | United States | $68.6bn | 0.235% | -0.065 pp | +0.040 pp | +22.9% | No |
| GE Aerospace → GE | United States | $70.2bn | 0.240% | +0.052 pp | +0.023 pp | +9.6% | Yes |
| General Dynamics → GD | United States | $64.0bn | 0.219% | -0.024 pp | +0.020 pp | +12.3% | No |
| TransDigm Group → TDG | United States | $39.0bn | 0.134% | +0.023 pp | +0.019 pp | +19.8% | Yes |
| Howmet Aerospace → HWM | United States | $16.8bn | 0.058% | +0.005 pp | +0.013 pp | +31.2% | Yes |
| Huntington Ingalls Industries → HII | United States | $8.8bn | 0.030% | -0.006 pp | +0.005 pp | +20.5% | No |
| L3Harris → LHX | United States | $40.9bn | 0.140% | -0.027 pp | +0.002 pp | +4.6% | No |
| Textron → TXT | United States | $15.2bn | 0.052% | +0.001 pp | +0.002 pp | +7.2% | 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.