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 & Defense2.16%-1.41 ppIndustrial Conglomerates0.94%-0.22 ppAir Freight & Logistics0.79%-0.13 ppRail Transportation1.02%+0.11 ppHeavy Electrical Equipment0.11%+0.11 ppIndustrial Machinery & Supplies & Components1.10%-0.10 ppConstruction Machinery & Heavy Transportation Equipment0.61%-0.09 ppTrading Companies & Distributors0.15%+0.03 ppPassenger Airlines0.23%-0.02 ppElectrical Components & Equipment0.64%+0.02 ppCargo Ground Transportation0.14%+0.02 ppAgricultural & Farm Machinery0.35%+0.02 ppConstruction & Engineering0.11%+0.02 ppEnvironmental & Facilities Services0.42%+0.02 ppBuilding Products0.58%+0.02 ppResearch & Consulting Services0.23%+0.01 ppDiversified Support Services0.12%-0.01 ppData Processing & Outsourced Services0.07%-0.01 ppHuman Resource & Employment Services0.46%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.16%
Industry change · 12M
-1.41 pp
Aerospace & Defense · contribution
-1.407 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 2021 · 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 | $71.7bn | 0.240% | -1.704 pp | -1.294 pp | +77.2% | No |
| Lockheed Martin → LMT | United States | $91.6bn | 0.306% | -0.047 pp | -0.158 pp | -2.3% | No |
| RTX Corporation → RTX | United States | $133.0bn | 0.444% | -0.005 pp | +0.054 pp | +67.8% | No |
| Northrop Grumman → NOC | United States | $56.6bn | 0.189% | -0.010 pp | -0.040 pp | +25.5% | No |
| Boeing → BA | United States | $121.7bn | 0.406% | -0.049 pp | +0.020 pp | +43.4% | No |
| Textron → TXT | United States | $16.3bn | 0.054% | +0.001 pp | +0.016 pp | +106.6% | No |
| L3Harris → LHX | United States | $45.2bn | 0.151% | -0.008 pp | -0.014 pp | +45.8% | No |
| General Dynamics → GD | United States | $56.6bn | 0.189% | +0.001 pp | +0.011 pp | +58.5% | No |
| TransDigm Group → TDG | United States | $34.4bn | 0.115% | -0.006 pp | -0.008 pp | +30.7% | No |
| Howmet Aerospace → HWM | United States | $12.7bn | 0.043% | -0.006 pp | +0.007 pp | +72.2% | No |
| Huntington Ingalls Industries → HII | United States | $8.1bn | 0.027% | -0.001 pp | -0.001 pp | +40.8% | 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.