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
2.26%
Industry change · 12M
+2.26 pp
Aerospace & Defense · contribution
+2.261 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 2021 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
GE Aerospace →
GE
United States$573.8bn1.122%-0.786 pp+1.120 pp+66.2%No
Boeing →
BA
United States$148.5bn0.290%-0.199 pp+0.290 pp+70.8%No
RTX Corporation →
RTX
United States$117.4bn0.230%-0.210 pp+0.229 pp+34.1%No
Lockheed Martin →
LMT
United States$103.5bn0.202%-0.200 pp+0.202 pp+12.0%No
Northrop Grumman →
NOC
United States$54.0bn0.106%-0.100 pp+0.105 pp+8.9%No
General Dynamics →
GD
United States$52.0bn0.102%-0.071 pp+0.101 pp+41.5%No
L3Harris →
LHX
United States$41.7bn0.081%-0.079 pp+0.081 pp+14.6%No
TransDigm Group →
TDG
United States$32.2bn0.063%-0.073 pp+0.063 pp+83.6%No
Howmet Aerospace →
HWM
United States$13.9bn0.027%-0.023 pp+0.027 pp+160.9%No
Textron →
TXT
United States$12.7bn0.025%-0.020 pp+0.025 pp+110.7%No
Huntington Ingalls Industries →
HII
United States$8.3bn0.016%-0.012 pp+0.016 pp+15.8%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.