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 Transportation1.01%+0.49 ppIndustrial Machinery & Supplies & Components1.10%+0.45 ppAir Freight & Logistics0.77%+0.32 ppElectrical Components & Equipment0.62%+0.26 ppBuilding Products0.56%+0.24 ppIndustrial Conglomerates0.90%+0.20 ppConstruction Machinery & Heavy Transportation Equipment0.60%+0.20 ppHuman Resource & Employment Services0.43%+0.19 ppEnvironmental & Facilities Services0.40%+0.19 ppAgricultural & Farm Machinery0.39%+0.17 ppAerospace & Defense2.19%-0.09 ppResearch & Consulting Services0.20%+0.08 ppPassenger Airlines0.22%+0.07 ppCargo Ground Transportation0.13%+0.07 ppHeavy Electrical Equipment0.06%+0.06 ppTrading Companies & Distributors0.13%+0.06 ppConstruction & Engineering0.10%+0.05 ppDiversified Support Services0.10%+0.03 ppData Processing & Outsourced Services0.06%+0.02 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.19%
Industry change · 12M
-0.09 pp
Aerospace & Defense · contribution
-0.090 pp
Company participation
45%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 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 | $64.6bn | 0.217% | -0.022 pp | -0.899 pp | +10.9% | No |
| RTX Corporation → RTX | United States | $135.0bn | 0.454% | +0.010 pp | +0.211 pp | +38.4% | Yes |
| Lockheed Martin → LMT | United States | $106.0bn | 0.356% | +0.050 pp | +0.141 pp | +24.6% | Yes |
| Boeing → BA | United States | $116.7bn | 0.393% | -0.014 pp | +0.130 pp | +3.1% | No |
| General Dynamics → GD | United States | $59.2bn | 0.199% | +0.010 pp | +0.098 pp | +48.2% | Yes |
| Northrop Grumman → NOC | United States | $57.7bn | 0.194% | +0.005 pp | +0.080 pp | +31.4% | No |
| L3Harris → LHX | United States | $41.1bn | 0.138% | -0.013 pp | +0.052 pp | +24.4% | No |
| TransDigm Group → TDG | United States | $34.0bn | 0.114% | -0.000 pp | +0.042 pp | +11.4% | Yes |
| Textron → TXT | United States | $15.0bn | 0.050% | -0.004 pp | +0.026 pp | +50.6% | No |
| Howmet Aerospace → HWM | United States | $13.3bn | 0.045% | +0.002 pp | +0.019 pp | +26.7% | Yes |
| Huntington Ingalls Industries → HII | United States | $7.5bn | 0.025% | -0.002 pp | +0.010 pp | +21.8% | 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.