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 Transportation0.40%+0.40 ppAir Freight & Logistics0.53%-0.16 ppConstruction Machinery & Heavy Transportation Equipment0.84%+0.16 ppElectrical Components & Equipment0.75%+0.15 ppIndustrial Machinery & Supplies & Components1.25%+0.14 ppHeavy Electrical Equipment0.15%+0.12 ppIndustrial Conglomerates0.62%-0.12 ppDiversified Support Services0.25%+0.11 ppBuilding Products0.59%+0.10 ppEnvironmental & Facilities Services0.55%+0.09 ppAerospace & Defense2.51%+0.07 ppAgricultural & Farm Machinery0.32%-0.06 ppTrading Companies & Distributors0.19%+0.05 ppHuman Resource & Employment Services0.41%-0.03 ppConstruction & Engineering0.15%+0.03 ppResearch & Consulting Services0.17%-0.02 ppCargo Ground Transportation0.11%-0.02 ppRail Transportation0.76%-0.01 ppData Processing & Outsourced Services0.07%+0.01 ppPassenger Airlines0.19%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.51%
Industry change · 12M
+0.07 pp
Aerospace & Defense · contribution
+0.066 pp
Company participation
83%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 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 | $177.1bn | 0.513% | +0.171 pp | +0.223 pp | +105.7% | Yes |
| Boeing → BA | United States | $103.0bn | 0.298% | -0.084 pp | -0.122 pp | -18.8% | No |
| RTX Corporation → RTX | United States | $135.0bn | 0.391% | +0.001 pp | -0.102 pp | +4.4% | Yes |
| Lockheed Martin → LMT | United States | $111.6bn | 0.323% | +0.015 pp | -0.074 pp | +2.9% | Yes |
| Axon Enterprise → AXON | United States | $23.6bn | 0.068% | +0.013 pp | +0.068 pp | +48.9% | Yes |
| TransDigm Group → TDG | United States | $69.4bn | 0.201% | +0.021 pp | +0.060 pp | +69.1% | Yes |
| Northrop Grumman → NOC | United States | $71.8bn | 0.208% | +0.009 pp | -0.029 pp | +6.9% | Yes |
| General Dynamics → GD | United States | $78.8bn | 0.228% | +0.013 pp | +0.026 pp | +34.5% | Yes |
| Howmet Aerospace → HWM | United States | $27.4bn | 0.079% | +0.010 pp | +0.018 pp | +51.3% | Yes |
| L3Harris → LHX | United States | $40.6bn | 0.118% | +0.000 pp | -0.007 pp | +12.4% | Yes |
| Huntington Ingalls Industries → HII | United States | $11.0bn | 0.032% | +0.001 pp | +0.005 pp | +40.3% | Yes |
| Textron → TXT | United States | $16.1bn | 0.047% | -0.003 pp | +0.001 pp | +26.5% | 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.