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
Industrial Conglomerates0.69%-0.12 ppDiversified Support Services0.23%+0.12 ppIndustrial Machinery & Supplies & Components1.16%+0.11 ppAgricultural & Farm Machinery0.36%-0.07 ppHuman Resource & Employment Services0.44%-0.07 ppElectrical Components & Equipment0.67%+0.06 ppRail Transportation0.78%-0.06 ppPassenger Airlines0.15%-0.05 ppEnvironmental & Facilities Services0.50%+0.05 ppAir Freight & Logistics0.60%-0.05 ppConstruction Machinery & Heavy Transportation Equipment0.71%+0.04 ppTrading Companies & Distributors0.15%+0.02 ppAerospace & Defense2.42%+0.02 ppConstruction & Engineering0.13%+0.01 ppCargo Ground Transportation0.13%+0.01 ppBuilding Products0.48%+0.01 ppHeavy Electrical Equipment0.02%-0.01 ppResearch & Consulting Services0.18%+0.01 ppData Processing & Outsourced Services0.07%+0.01 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.42%
Industry change · 12M
+0.02 pp
Aerospace & Defense · contribution
+0.021 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 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 |
|---|---|---|---|---|---|---|---|
| GE Aerospace → GE | United States | $94.4bn | 0.321% | +0.105 pp | +0.133 pp | +79.4% | Yes |
| RTX Corporation → RTX | United States | $117.0bn | 0.398% | +0.119 pp | -0.097 pp | -12.0% | Yes |
| Boeing → BA | United States | $113.0bn | 0.384% | +0.070 pp | +0.083 pp | +31.1% | Yes |
| Lockheed Martin → LMT | United States | $112.8bn | 0.383% | +0.138 pp | -0.069 pp | -4.1% | Yes |
| Northrop Grumman → NOC | United States | $71.1bn | 0.242% | +0.095 pp | -0.058 pp | -12.8% | Yes |
| Axon Enterprise → AXON | United States | $15.3bn | 0.052% | +0.022 pp | +0.052 pp | +40.6% | Yes |
| L3Harris → LHX | United States | $34.0bn | 0.116% | +0.037 pp | -0.051 pp | -25.5% | Yes |
| TransDigm Group → TDG | United States | $45.7bn | 0.155% | +0.048 pp | +0.045 pp | +43.8% | Yes |
| General Dynamics → GD | United States | $65.9bn | 0.224% | +0.091 pp | -0.019 pp | -1.1% | Yes |
| Howmet Aerospace → HWM | United States | $18.2bn | 0.062% | +0.016 pp | +0.010 pp | +24.5% | Yes |
| Huntington Ingalls Industries → HII | United States | $8.8bn | 0.030% | +0.010 pp | -0.007 pp | -12.5% | Yes |
| Textron → TXT | United States | $14.9bn | 0.051% | +0.017 pp | -0.000 pp | +11.2% | 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.