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 Transportation0.38%+0.38 ppIndustrial Conglomerates0.68%-0.19 ppAerospace & Defense2.41%-0.17 ppAgricultural & Farm Machinery0.33%-0.13 ppIndustrial Machinery & Supplies & Components1.21%+0.12 ppAir Freight & Logistics0.57%-0.10 ppHuman Resource & Employment Services0.41%-0.09 ppRail Transportation0.81%-0.09 ppDiversified Support Services0.23%+0.08 ppEnvironmental & Facilities Services0.49%+0.05 ppConstruction Machinery & Heavy Transportation Equipment0.77%+0.05 ppTrading Companies & Distributors0.17%+0.03 ppPassenger Airlines0.17%-0.02 ppElectrical Components & Equipment0.67%+0.02 ppData Processing & Outsourced Services0.07%+0.02 ppConstruction & Engineering0.13%+0.02 ppBuilding Products0.52%+0.01 ppResearch & Consulting Services0.19%+0.01 ppCargo Ground Transportation0.13%+0.01 ppHeavy Electrical Equipment0.02%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.41%
Industry change · 12M
-0.17 pp
Aerospace & Defense · contribution
-0.165 pp
Company participation
92%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 2023 · 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 |
|---|---|---|---|---|---|---|---|
| RTX Corporation → RTX | United States | $121.0bn | 0.361% | +0.011 pp | -0.175 pp | -14.4% | Yes |
| GE Aerospace → GE | United States | $110.9bn | 0.331% | +0.010 pp | +0.125 pp | +95.7% | Yes |
| Lockheed Martin → LMT | United States | $112.4bn | 0.335% | -0.009 pp | -0.125 pp | -4.3% | No |
| Northrop Grumman → NOC | United States | $70.6bn | 0.211% | -0.012 pp | -0.093 pp | -12.8% | Yes |
| Boeing → BA | United States | $157.7bn | 0.470% | +0.084 pp | +0.061 pp | +36.8% | Yes |
| Axon Enterprise → AXON | United States | $19.4bn | 0.058% | +0.008 pp | +0.058 pp | +55.7% | Yes |
| TransDigm Group → TDG | United States | $56.0bn | 0.167% | +0.011 pp | +0.043 pp | +66.6% | Yes |
| General Dynamics → GD | United States | $70.9bn | 0.211% | +0.010 pp | -0.034 pp | +7.1% | Yes |
| L3Harris → LHX | United States | $39.9bn | 0.119% | +0.009 pp | -0.024 pp | +3.7% | Yes |
| Howmet Aerospace → HWM | United States | $22.3bn | 0.066% | +0.003 pp | +0.008 pp | +37.8% | Yes |
| Textron → TXT | United States | $15.8bn | 0.047% | -0.005 pp | -0.006 pp | +13.7% | Yes |
| Huntington Ingalls Industries → HII | United States | $10.3bn | 0.031% | +0.004 pp | -0.002 pp | +15.2% | 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.