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 Transportation0.33%+0.33 ppAerospace & Defense2.14%-0.25 ppHeavy Electrical Equipment0.23%+0.21 ppAir Freight & Logistics0.41%-0.17 ppRail Transportation0.62%-0.16 ppDiversified Support Services0.38%+0.14 ppIndustrial Conglomerates0.59%-0.07 ppIndustrial Machinery & Supplies & Components1.11%-0.07 ppBuilding Products0.56%+0.06 ppAgricultural & Farm Machinery0.28%-0.05 ppConstruction Machinery & Heavy Transportation Equipment0.76%+0.05 ppPassenger Airlines0.20%+0.04 ppHuman Resource & Employment Services0.39%-0.04 ppResearch & Consulting Services0.16%-0.03 ppEnvironmental & Facilities Services0.47%-0.03 ppTrading Companies & Distributors0.18%+0.02 ppConstruction & Engineering0.15%+0.02 ppCargo Ground Transportation0.15%+0.02 ppElectrical Components & Equipment0.67%+0.02 ppData Processing & Outsourced Services0.06%-0.01 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.14%
Industry change · 12M
-0.25 pp
Aerospace & Defense · contribution
-0.251 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 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 |
|---|---|---|---|---|---|---|---|
| Boeing → BA | United States | $96.1bn | 0.212% | -0.047 pp | -0.225 pp | -32.9% | No |
| GE Aerospace → GE | United States | $197.2bn | 0.435% | -0.022 pp | +0.105 pp | +88.4% | Yes |
| Lockheed Martin → LMT | United States | $125.5bn | 0.277% | -0.050 pp | -0.069 pp | +20.6% | No |
| Northrop Grumman → NOC | United States | $71.3bn | 0.157% | -0.027 pp | -0.066 pp | +4.3% | Yes |
| Axon Enterprise → AXON | United States | $49.3bn | 0.109% | +0.042 pp | +0.055 pp | +181.4% | Yes |
| Howmet Aerospace → HWM | United States | $48.1bn | 0.106% | +0.011 pp | +0.039 pp | +125.7% | Yes |
| General Dynamics → GD | United States | $78.1bn | 0.172% | -0.026 pp | -0.038 pp | +17.3% | No |
| Huntington Ingalls Industries → HII | United States | $7.7bn | 0.017% | -0.010 pp | -0.012 pp | -14.7% | No |
| Textron → TXT | United States | $15.9bn | 0.035% | -0.006 pp | -0.012 pp | +11.8% | No |
| TransDigm Group → TDG | United States | $70.5bn | 0.155% | -0.031 pp | -0.011 pp | +37.4% | No |
| L3Harris → LHX | United States | $46.7bn | 0.103% | -0.005 pp | -0.010 pp | +31.7% | Yes |
| RTX Corporation → RTX | United States | $162.2bn | 0.358% | -0.039 pp | -0.007 pp | +53.0% | 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.