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 & Defense2.55%+0.92 ppHeavy Electrical Equipment0.33%+0.23 ppBuilding Products0.61%+0.22 ppIndustrial Machinery & Supplies & Components0.97%+0.18 ppDiversified Support Services0.34%+0.17 ppElectrical Components & Equipment0.63%+0.15 ppConstruction Machinery & Heavy Transportation Equipment0.68%+0.15 ppPassenger Ground Transportation0.42%+0.14 ppIndustrial Conglomerates0.57%+0.13 ppHuman Resource & Employment Services0.38%+0.12 ppEnvironmental & Facilities Services0.48%+0.11 ppAgricultural & Farm Machinery0.30%+0.10 ppRail Transportation0.55%+0.08 ppConstruction & Engineering0.15%+0.06 ppPassenger Airlines0.17%+0.05 ppTrading Companies & Distributors0.16%+0.04 ppAir Freight & Logistics0.31%-0.04 ppResearch & Consulting Services0.16%+0.04 ppData Processing & Outsourced Services0.06%+0.02 ppCargo Ground Transportation0.10%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.55%
Industry change · 12M
+0.92 pp
Aerospace & Defense · contribution
+0.919 pp
Company participation
83%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2025 · 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 | $274.5bn | 0.592% | +0.082 pp | +0.266 pp | +63.0% | Yes |
| RTX Corporation → RTX | United States | $195.1bn | 0.421% | +0.002 pp | +0.170 pp | +48.5% | Yes |
| Boeing → BA | United States | $158.0bn | 0.341% | +0.037 pp | +0.131 pp | +15.1% | Yes |
| Howmet Aerospace → HWM | United States | $75.1bn | 0.162% | +0.037 pp | +0.103 pp | +140.5% | Yes |
| Axon Enterprise → AXON | United States | $64.5bn | 0.139% | +0.043 pp | +0.097 pp | +181.4% | Yes |
| TransDigm Group → TDG | United States | $85.4bn | 0.184% | -0.000 pp | +0.050 pp | +25.7% | Yes |
| Northrop Grumman → NOC | United States | $72.0bn | 0.155% | -0.021 pp | +0.034 pp | +16.7% | No |
| Lockheed Martin → LMT | United States | $108.5bn | 0.234% | -0.016 pp | +0.024 pp | +1.8% | No |
| L3Harris → LHX | United States | $46.9bn | 0.101% | +0.008 pp | +0.021 pp | +14.0% | Yes |
| General Dynamics → GD | United States | $78.3bn | 0.169% | -0.006 pp | +0.020 pp | +2.6% | Yes |
| Huntington Ingalls Industries → HII | United States | $9.5bn | 0.020% | +0.001 pp | +0.002 pp | +0.5% | Yes |
| Textron → TXT | United States | $14.5bn | 0.031% | -0.000 pp | +0.001 pp | -6.4% | 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.