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
Rail Transportation0.80%-0.30 ppAerospace & Defense2.47%+0.11 ppIndustrial Machinery & Supplies & Components1.14%+0.11 ppIndustrial Conglomerates0.74%-0.11 ppConstruction Machinery & Heavy Transportation Equipment0.71%+0.08 ppAir Freight & Logistics0.73%-0.05 ppHeavy Electrical Equipment0.02%-0.04 ppPassenger Airlines0.19%-0.04 ppHuman Resource & Employment Services0.46%-0.03 ppDiversified Support Services0.14%+0.03 ppResearch & Consulting Services0.19%-0.03 ppElectrical Components & Equipment0.63%+0.02 ppEnvironmental & Facilities Services0.44%+0.02 ppAgricultural & Farm Machinery0.42%-0.01 ppConstruction & Engineering0.12%+0.01 ppBuilding Products0.50%+0.01 ppCargo Ground Transportation0.13%-0.00 ppData Processing & Outsourced Services0.06%-0.00 ppTrading Companies & Distributors0.15%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.47%
Industry change · 12M
+0.11 pp
Aerospace & Defense · contribution
+0.111 pp
Company participation
36%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 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 | $83.1bn | 0.284% | +0.078 pp | +0.073 pp | +34.4% | Yes |
| Boeing → BA | United States | $127.1bn | 0.434% | +0.024 pp | +0.058 pp | +10.9% | Yes |
| L3Harris → LHX | United States | $37.3bn | 0.127% | -0.016 pp | -0.034 pp | -19.4% | No |
| TransDigm Group → TDG | United States | $40.2bn | 0.137% | +0.014 pp | +0.016 pp | +16.3% | Yes |
| General Dynamics → GD | United States | $62.6bn | 0.214% | -0.032 pp | -0.012 pp | -3.3% | No |
| Howmet Aerospace → HWM | United States | $17.5bn | 0.060% | +0.001 pp | +0.009 pp | +18.3% | Yes |
| RTX Corporation → RTX | United States | $143.5bn | 0.489% | -0.046 pp | -0.008 pp | +1.2% | No |
| Lockheed Martin → LMT | United States | $120.7bn | 0.412% | -0.048 pp | +0.007 pp | +9.8% | No |
| Northrop Grumman → NOC | United States | $70.7bn | 0.241% | -0.062 pp | +0.006 pp | +4.7% | No |
| Textron → TXT | United States | $14.5bn | 0.049% | -0.004 pp | -0.005 pp | -4.9% | No |
| Huntington Ingalls Industries → HII | United States | $8.3bn | 0.028% | -0.005 pp | +0.001 pp | +6.1% | 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.