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
Aerospace & Defense2.28%-3.35 ppIndustrial Conglomerates0.70%-0.51 ppRail Transportation0.52%-0.47 ppIndustrial Machinery & Supplies & Components0.65%-0.32 ppHuman Resource & Employment Services0.25%-0.27 ppElectrical Components & Equipment0.36%-0.27 ppPassenger Airlines0.15%-0.27 ppEnvironmental & Facilities Services0.21%-0.24 ppConstruction Machinery & Heavy Transportation Equipment0.41%-0.23 ppAir Freight & Logistics0.45%-0.17 ppResearch & Consulting Services0.12%-0.10 ppBuilding Products0.32%-0.10 ppDiversified Support Services0.07%-0.06 ppConstruction & Engineering0.05%-0.03 ppData Processing & Outsourced Services0.04%-0.03 ppAgricultural & Farm Machinery0.22%-0.03 ppTrading Companies & Distributors0.07%-0.03 ppCargo Ground Transportation0.06%-0.02 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.28%
Industry change · 12M
-3.35 pp
Aerospace & Defense · contribution
-3.355 pp
Company participation
9%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2021 · 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 | $466.3bn | 1.117% | -0.417 pp | -1.557 pp | -13.8% | Yes |
| Boeing → BA | United States | $109.6bn | 0.263% | -0.123 pp | -0.622 pp | -38.6% | No |
| Lockheed Martin → LMT | United States | $90.1bn | 0.216% | -0.248 pp | -0.380 pp | -22.9% | No |
| Northrop Grumman → NOC | United States | $47.8bn | 0.114% | -0.114 pp | -0.195 pp | -22.2% | No |
| RTX Corporation → RTX | United States | $101.3bn | 0.243% | -0.148 pp | -0.160 pp | -27.4% | No |
| L3Harris → LHX | United States | $36.0bn | 0.086% | -0.079 pp | -0.155 pp | -21.1% | No |
| General Dynamics → GD | United States | $42.1bn | 0.101% | -0.078 pp | -0.150 pp | -13.8% | No |
| TransDigm Group → TDG | United States | $30.1bn | 0.072% | -0.050 pp | -0.098 pp | -14.0% | No |
| Huntington Ingalls Industries → HII | United States | $6.4bn | 0.015% | -0.013 pp | -0.037 pp | -38.3% | No |
| Textron → TXT | United States | $10.4bn | 0.025% | -0.014 pp | -0.027 pp | -1.2% | No |
| Howmet Aerospace → HWM | United States | $10.7bn | 0.026% | -0.010 pp | +0.026 pp | +7.1% | 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.