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
Rail Transportation1.09%+0.62 ppIndustrial Machinery & Supplies & Components1.03%+0.43 ppAir Freight & Logistics0.78%+0.37 ppElectrical Components & Equipment0.61%+0.28 ppIndustrial Conglomerates0.84%+0.27 ppHuman Resource & Employment Services0.49%+0.26 ppConstruction Machinery & Heavy Transportation Equipment0.63%+0.24 ppEnvironmental & Facilities Services0.42%+0.22 ppBuilding Products0.50%+0.20 ppAgricultural & Farm Machinery0.43%+0.20 ppResearch & Consulting Services0.21%+0.11 ppAerospace & Defense2.36%+0.10 ppCargo Ground Transportation0.13%+0.07 ppTrading Companies & Distributors0.14%+0.07 ppConstruction & Engineering0.11%+0.06 ppPassenger Airlines0.23%+0.06 ppDiversified Support Services0.11%+0.06 ppData Processing & Outsourced Services0.06%+0.03 ppHeavy Electrical Equipment0.06%+0.02 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.36%
Industry change · 12M
+0.10 pp
Aerospace & Defense · contribution
+0.100 pp
Company participation
82%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 2022 · 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 | $62.7bn | 0.211% | +0.004 pp | -0.911 pp | -12.6% | No |
| RTX Corporation → RTX | United States | $147.8bn | 0.498% | +0.085 pp | +0.268 pp | +31.2% | Yes |
| Lockheed Martin → LMT | United States | $120.2bn | 0.405% | +0.091 pp | +0.202 pp | +23.0% | Yes |
| Northrop Grumman → NOC | United States | $69.8bn | 0.235% | +0.038 pp | +0.129 pp | +40.5% | Yes |
| General Dynamics → GD | United States | $67.0bn | 0.225% | +0.039 pp | +0.124 pp | +36.1% | Yes |
| Boeing → BA | United States | $111.6bn | 0.376% | -0.003 pp | +0.085 pp | -24.8% | No |
| L3Harris → LHX | United States | $48.0bn | 0.161% | +0.027 pp | +0.080 pp | +24.8% | Yes |
| TransDigm Group → TDG | United States | $36.1bn | 0.122% | +0.009 pp | +0.059 pp | +10.8% | Yes |
| Textron → TXT | United States | $16.1bn | 0.054% | -0.000 pp | +0.029 pp | +32.8% | Yes |
| Howmet Aerospace → HWM | United States | $15.1bn | 0.051% | +0.007 pp | +0.023 pp | +12.1% | Yes |
| Huntington Ingalls Industries → HII | United States | $8.0bn | 0.027% | +0.003 pp | +0.011 pp | -0.8% | 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.