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
Universe›Industrials›Aerospace & Defense›Aerospace & Defense
Aerospace & Defense · weight
5.35%
Industry change · 12M
-1.14 pp
Aerospace & Defense · contribution
-1.138 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jul 2019 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
GE Aerospace →
GE
United States$454.5bn2.419%-0.044 pp-0.892 pp-19.2%No
Boeing →
BA
United States$192.0bn1.022%-0.162 pp-0.172 pp-2.3%No
General Dynamics →
GD
United States$53.7bn0.286%-0.002 pp-0.059 pp-4.9%Yes
Textron →
TXT
United States$11.3bn0.060%-0.008 pp-0.039 pp-27.7%No
TransDigm Group →
TDG
United States$25.8bn0.137%-0.005 pp+0.023 pp+29.3%No
L3Harris →
LHX
United States$24.5bn0.131%+0.020 pp+0.016 pp+28.0%Yes
RTX Corporation →
RTX
United States$72.5bn0.386%-0.045 pp-0.013 pp+0.7%No
Huntington Ingalls Industries →
HII
United States$9.5bn0.050%-0.001 pp-0.010 pp-0.6%Yes
Northrop Grumman →
NOC
United States$58.5bn0.311%+0.037 pp+0.006 pp+17.0%Yes
Lockheed Martin →
LMT
United States$102.3bn0.544%+0.020 pp+0.003 pp+14.1%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.