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
Passenger Ground Transportation0.44%+0.44 ppAir Freight & Logistics0.53%-0.20 ppConstruction Machinery & Heavy Transportation Equipment0.87%+0.16 ppIndustrial Machinery & Supplies & Components1.28%+0.14 ppIndustrial Conglomerates0.61%-0.12 ppAerospace & Defense2.36%-0.12 ppDiversified Support Services0.25%+0.11 ppElectrical Components & Equipment0.74%+0.10 ppAgricultural & Farm Machinery0.32%-0.10 ppEnvironmental & Facilities Services0.53%+0.09 ppBuilding Products0.56%+0.05 ppTrading Companies & Distributors0.20%+0.05 ppHuman Resource & Employment Services0.41%-0.05 ppConstruction & Engineering0.15%+0.03 ppRail Transportation0.78%-0.02 ppPassenger Airlines0.18%-0.01 ppData Processing & Outsourced Services0.07%+0.01 ppCargo Ground Transportation0.12%-0.00 ppHeavy Electrical Equipment0.02%-0.00 ppResearch & Consulting Services0.19%-0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.36%
Industry change · 12M
-0.12 pp
Aerospace & Defense · contribution
-0.119 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 2024 · 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 | $152.5bn | 0.423% | +0.092 pp | +0.139 pp | +84.0% | Yes |
| RTX Corporation → RTX | United States | $129.4bn | 0.359% | -0.002 pp | -0.131 pp | +2.3% | No |
| Boeing → BA | United States | $117.8bn | 0.327% | -0.144 pp | -0.107 pp | -9.2% | No |
| Lockheed Martin → LMT | United States | $109.9bn | 0.305% | -0.030 pp | -0.107 pp | -1.1% | No |
| Axon Enterprise → AXON | United States | $23.6bn | 0.065% | +0.008 pp | +0.065 pp | +39.2% | Yes |
| TransDigm Group → TDG | United States | $68.5bn | 0.190% | +0.023 pp | +0.053 pp | +73.2% | Yes |
| Northrop Grumman → NOC | United States | $71.8bn | 0.199% | -0.011 pp | -0.042 pp | +5.4% | No |
| Howmet Aerospace → HWM | United States | $28.1bn | 0.078% | +0.011 pp | +0.018 pp | +62.1% | Yes |
| L3Harris → LHX | United States | $40.5bn | 0.112% | -0.007 pp | -0.015 pp | +11.3% | No |
| Huntington Ingalls Industries → HII | United States | $11.5bn | 0.032% | +0.001 pp | +0.004 pp | +43.9% | Yes |
| Textron → TXT | United States | $18.5bn | 0.051% | +0.004 pp | +0.002 pp | +36.0% | Yes |
| General Dynamics → GD | United States | $77.4bn | 0.215% | +0.003 pp | +0.001 pp | +26.7% | 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.