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 & Defense2.33%-1.90 ppIndustrial Conglomerates0.87%-0.22 ppRail Transportation1.02%+0.14 ppIndustrial Machinery & Supplies & Components1.03%-0.14 ppAir Freight & Logistics0.72%-0.14 ppBuilding Products0.48%-0.09 ppConstruction Machinery & Heavy Transportation Equipment0.63%-0.08 ppHuman Resource & Employment Services0.49%+0.08 ppEnvironmental & Facilities Services0.46%+0.06 ppPassenger Airlines0.26%-0.05 ppHeavy Electrical Equipment0.05%-0.02 ppCargo Ground Transportation0.12%+0.02 ppConstruction & Engineering0.11%+0.01 ppElectrical Components & Equipment0.61%-0.01 ppData Processing & Outsourced Services0.06%-0.01 ppResearch & Consulting Services0.21%-0.00 ppAgricultural & Farm Machinery0.42%-0.00 ppDiversified Support Services0.11%+0.00 ppTrading Companies & Distributors0.14%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.33%
Industry change · 12M
-1.90 pp
Aerospace & Defense · contribution
-1.899 pp
Company participation
82%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 2022 · 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 | $51.1bn | 0.185% | -0.033 pp | -1.896 pp | -28.7% | No |
| Boeing → BA | United States | $88.1bn | 0.318% | -0.074 pp | -0.178 pp | -36.5% | No |
| RTX Corporation → RTX | United States | $141.2bn | 0.510% | +0.056 pp | +0.053 pp | +16.7% | Yes |
| General Dynamics → GD | United States | $65.7bn | 0.237% | +0.038 pp | +0.043 pp | +27.3% | Yes |
| Northrop Grumman → NOC | United States | $68.3bn | 0.247% | +0.053 pp | +0.040 pp | +26.1% | Yes |
| Lockheed Martin → LMT | United States | $115.0bn | 0.416% | +0.059 pp | +0.032 pp | +16.9% | Yes |
| L3Harris → LHX | United States | $44.8bn | 0.162% | +0.024 pp | +0.006 pp | +13.0% | Yes |
| TransDigm Group → TDG | United States | $33.0bn | 0.119% | +0.005 pp | -0.002 pp | -3.1% | Yes |
| Howmet Aerospace → HWM | United States | $14.3bn | 0.052% | +0.007 pp | +0.001 pp | +7.0% | Yes |
| Textron → TXT | United States | $14.9bn | 0.054% | +0.003 pp | +0.001 pp | +7.9% | Yes |
| Huntington Ingalls Industries → HII | United States | $8.5bn | 0.031% | +0.006 pp | -0.000 pp | +2.6% | 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.