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
Human Resource & Employment Services0.45%+0.00 ppBuilding Products0.47%+0.00 ppElectrical Components & Equipment0.72%+0.00 ppAerospace & Defense7.08%+0.00 ppConstruction Machinery & Heavy Transportation Equipment0.83%+0.00 ppAir Freight & Logistics0.98%+0.00 ppRail Transportation0.94%+0.00 ppDiversified Support Services0.03%+0.00 ppPassenger Airlines0.55%+0.00 ppAgricultural & Farm Machinery0.31%+0.00 ppIndustrial Machinery & Supplies & Components1.08%+0.00 ppResearch & Consulting Services0.18%+0.00 ppTrading Companies & Distributors0.11%+0.00 ppIndustrial Conglomerates1.37%+0.00 ppConstruction & Engineering0.07%+0.00 ppCargo Ground Transportation0.08%+0.00 ppEnvironmental & Facilities Services0.35%+0.00 ppData Processing & Outsourced Services0.00%+0.00 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
7.08%
Industry change · 12M
+0.00 pp
Aerospace & Defense · contribution
+0.000 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2018 · 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 | $672.0bn | 3.833% | +0.000 pp | +0.000 pp | +0.0% | No |
| Boeing → BA | United States | $211.1bn | 1.204% | +0.000 pp | +0.000 pp | +0.0% | No |
| Lockheed Martin → LMT | United States | $101.7bn | 0.580% | +0.000 pp | +0.000 pp | +0.0% | No |
| RTX Corporation → RTX | United States | $69.4bn | 0.396% | +0.000 pp | +0.000 pp | +0.0% | No |
| General Dynamics → GD | United States | $66.4bn | 0.379% | +0.000 pp | +0.000 pp | +0.0% | No |
| Northrop Grumman → NOC | United States | $59.3bn | 0.338% | +0.000 pp | +0.000 pp | +0.0% | No |
| L3Harris → LHX | United States | $18.9bn | 0.108% | +0.000 pp | +0.000 pp | +0.0% | No |
| TransDigm Group → TDG | United States | $16.5bn | 0.094% | +0.000 pp | +0.000 pp | +0.0% | No |
| Textron → TXT | United States | $15.5bn | 0.088% | +0.000 pp | +0.000 pp | +0.0% | No |
| Huntington Ingalls Industries → HII | United States | $10.8bn | 0.061% | +0.000 pp | +0.000 pp | +0.0% | 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.