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 & Defense5.41%-1.40 ppAir Freight & Logistics0.71%-0.27 ppEnvironmental & Facilities Services0.48%+0.13 ppIndustrial Machinery & Supplies & Components0.91%-0.11 ppElectrical Components & Equipment0.61%-0.10 ppConstruction Machinery & Heavy Transportation Equipment0.68%-0.10 ppHuman Resource & Employment Services0.59%+0.09 ppIndustrial Conglomerates1.14%-0.09 ppData Processing & Outsourced Services0.08%+0.08 ppRail Transportation1.11%+0.07 ppPassenger Airlines0.47%-0.06 ppAgricultural & Farm Machinery0.26%-0.04 ppCargo Ground Transportation0.05%-0.03 ppResearch & Consulting Services0.22%+0.03 ppTrading Companies & Distributors0.08%-0.03 ppDiversified Support Services0.06%+0.03 ppBuilding Products0.46%+0.03 ppConstruction & Engineering0.08%+0.00 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
5.41%
Industry change · 12M
-1.40 pp
Aerospace & Defense · contribution
-1.403 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 2019 · 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 | $410.3bn | 2.389% | -0.223 pp | -1.166 pp | -28.8% | Yes |
| Boeing → BA | United States | $192.2bn | 1.119% | -0.322 pp | -0.126 pp | -1.0% | Yes |
| General Dynamics → GD | United States | $46.5bn | 0.271% | -0.014 pp | -0.093 pp | -18.6% | Yes |
| Northrop Grumman → NOC | United States | $51.5bn | 0.300% | +0.015 pp | -0.046 pp | -5.4% | Yes |
| Textron → TXT | United States | $10.5bn | 0.061% | -0.012 pp | -0.042 pp | -31.9% | Yes |
| TransDigm Group → TDG | United States | $23.4bn | 0.137% | +0.003 pp | +0.030 pp | +32.0% | Yes |
| L3Harris → LHX | United States | $22.1bn | 0.129% | +0.016 pp | +0.020 pp | +26.5% | Yes |
| RTX Corporation → RTX | United States | $68.5bn | 0.399% | +0.004 pp | +0.018 pp | +3.5% | Yes |
| Lockheed Martin → LMT | United States | $95.7bn | 0.557% | +0.050 pp | +0.012 pp | +10.6% | Yes |
| Huntington Ingalls Industries → HII | United States | $8.5bn | 0.050% | -0.001 pp | -0.010 pp | -5.8% | 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.