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 & Defense4.42%+4.41 ppIndustrial Machinery & Supplies & Components1.18%+1.18 ppIndustrial Conglomerates1.12%+1.12 ppAir Freight & Logistics0.91%+0.91 ppRail Transportation0.88%+0.88 ppConstruction Machinery & Heavy Transportation Equipment0.74%+0.74 ppElectrical Components & Equipment0.63%+0.63 ppBuilding Products0.59%+0.59 ppHuman Resource & Employment Services0.43%+0.43 ppAgricultural & Farm Machinery0.40%+0.40 ppEnvironmental & Facilities Services0.40%+0.40 ppPassenger Airlines0.31%+0.31 ppResearch & Consulting Services0.20%+0.20 ppTrading Companies & Distributors0.14%+0.14 ppCargo Ground Transportation0.12%+0.12 ppDiversified Support Services0.11%+0.11 ppConstruction & Engineering0.10%+0.10 ppHeavy Electrical Equipment0.07%+0.07 ppData Processing & Outsourced Services0.07%+0.07 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
4.42%
Industry change · 12M
+4.41 pp
Aerospace & Defense · contribution
+4.412 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 | $615.2bn | 2.204% | +1.109 pp | +2.202 pp | +115.0% | Yes |
| Boeing → BA | United States | $144.5bn | 0.518% | +0.270 pp | +0.517 pp | +69.4% | Yes |
| RTX Corporation → RTX | United States | $134.4bn | 0.481% | +0.263 pp | +0.481 pp | +41.2% | Yes |
| Lockheed Martin → LMT | United States | $106.2bn | 0.381% | +0.196 pp | +0.380 pp | +1.1% | Yes |
| Northrop Grumman → NOC | United States | $58.9bn | 0.211% | +0.114 pp | +0.211 pp | +11.1% | Yes |
| General Dynamics → GD | United States | $53.7bn | 0.192% | +0.099 pp | +0.192 pp | +33.1% | Yes |
| L3Harris → LHX | United States | $44.7bn | 0.160% | +0.084 pp | +0.160 pp | +11.9% | Yes |
| TransDigm Group → TDG | United States | $35.6bn | 0.128% | +0.065 pp | +0.127 pp | +52.7% | Yes |
| Textron → TXT | United States | $15.5bn | 0.055% | +0.033 pp | +0.055 pp | +121.5% | Yes |
| Howmet Aerospace → HWM | United States | $15.4bn | 0.055% | +0.031 pp | +0.055 pp | +171.3% | Yes |
| Huntington Ingalls Industries → HII | United States | $8.7bn | 0.031% | +0.017 pp | +0.031 pp | +10.9% | 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.