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 & Defense6.93%-0.15 ppAir Freight & Logistics0.91%-0.07 ppIndustrial Conglomerates1.35%-0.02 ppConstruction Machinery & Heavy Transportation Equipment0.82%-0.01 ppIndustrial Machinery & Supplies & Components1.07%-0.01 ppEnvironmental & Facilities Services0.36%+0.01 ppElectrical Components & Equipment0.73%+0.01 ppHuman Resource & Employment Services0.45%-0.01 ppAgricultural & Farm Machinery0.31%+0.00 ppBuilding Products0.46%-0.00 ppPassenger Airlines0.55%-0.00 ppResearch & Consulting Services0.18%+0.00 ppTrading Companies & Distributors0.11%+0.00 ppCargo Ground Transportation0.08%+0.00 ppRail Transportation0.94%-0.00 ppDiversified Support Services0.03%+0.00 ppConstruction & Engineering0.07%+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
6.93%
Industry change · 12M
-0.15 pp
Aerospace & Defense · contribution
-0.149 pp
Company participation
80%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 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 | $587.1bn | 3.518% | -0.315 pp | -0.315 pp | -12.0% | No |
| Boeing → BA | United States | $213.2bn | 1.277% | +0.074 pp | +0.074 pp | +2.7% | Yes |
| Northrop Grumman → NOC | United States | $60.9bn | 0.365% | +0.027 pp | +0.027 pp | +2.8% | Yes |
| Lockheed Martin → LMT | United States | $100.6bn | 0.603% | +0.023 pp | +0.023 pp | -0.1% | Yes |
| General Dynamics → GD | United States | $66.1bn | 0.396% | +0.017 pp | +0.017 pp | -0.0% | Yes |
| RTX Corporation → RTX | United States | $67.8bn | 0.406% | +0.011 pp | +0.011 pp | -1.8% | Yes |
| Huntington Ingalls Industries → HII | United States | $11.7bn | 0.070% | +0.009 pp | +0.009 pp | +10.6% | Yes |
| Textron → TXT | United States | $15.7bn | 0.094% | +0.006 pp | +0.006 pp | +2.0% | Yes |
| TransDigm Group → TDG | United States | $15.0bn | 0.090% | -0.004 pp | -0.004 pp | -9.0% | No |
| L3Harris → LHX | United States | $18.5bn | 0.111% | +0.003 pp | +0.003 pp | -2.0% | 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.