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 & Defense2.40%+0.33 ppConstruction Machinery & Heavy Transportation Equipment0.68%+0.11 ppRail Transportation0.89%-0.10 ppAgricultural & Farm Machinery0.45%+0.09 ppBuilding Products0.51%-0.09 ppHeavy Electrical Equipment0.02%-0.07 ppAir Freight & Logistics0.69%-0.06 ppIndustrial Conglomerates0.84%-0.06 ppResearch & Consulting Services0.18%-0.06 ppHuman Resource & Employment Services0.52%+0.05 ppIndustrial Machinery & Supplies & Components1.07%-0.04 ppDiversified Support Services0.14%+0.04 ppEnvironmental & Facilities Services0.45%+0.03 ppCargo Ground Transportation0.12%-0.02 ppConstruction & Engineering0.12%+0.01 ppTrading Companies & Distributors0.13%-0.01 ppPassenger Airlines0.21%-0.01 ppData Processing & Outsourced Services0.06%-0.01 ppElectrical Components & Equipment0.63%-0.01 ppPassenger Ground Transportation0.00%+0.00 pp
3 · Sub-industry
Inside Aerospace & Defense
Aerospace & Defense · weight
2.40%
Industry change · 12M
+0.33 pp
Aerospace & Defense · contribution
+0.335 pp
Company participation
64%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 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 |
|---|---|---|---|---|---|---|---|
| Lockheed Martin → LMT | United States | $127.2bn | 0.432% | +0.033 pp | +0.121 pp | +49.4% | Yes |
| Northrop Grumman → NOC | United States | $82.1bn | 0.279% | +0.014 pp | +0.092 pp | +55.1% | No |
| RTX Corporation → RTX | United States | $145.1bn | 0.493% | +0.018 pp | +0.083 pp | +24.9% | No |
| General Dynamics → GD | United States | $69.3bn | 0.235% | +0.010 pp | +0.057 pp | +36.6% | Yes |
| Boeing → BA | United States | $106.6bn | 0.362% | +0.021 pp | -0.031 pp | -9.6% | Yes |
| GE Aerospace → GE | United States | $58.5bn | 0.199% | +0.019 pp | -0.021 pp | -9.1% | Yes |
| Howmet Aerospace → HWM | United States | $15.6bn | 0.053% | +0.000 pp | +0.012 pp | +34.3% | Yes |
| L3Harris → LHX | United States | $43.2bn | 0.147% | -0.010 pp | +0.008 pp | +10.7% | No |
| TransDigm Group → TDG | United States | $34.2bn | 0.116% | -0.001 pp | +0.008 pp | +11.8% | Yes |
| Huntington Ingalls Industries → HII | United States | $9.3bn | 0.031% | -0.002 pp | +0.007 pp | +33.6% | No |
| Textron → TXT | United States | $14.9bn | 0.051% | +0.003 pp | -0.002 pp | +0.9% | 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.