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›Consumer Discretionary›Automobile Manufacturers›Automobile Manufacturers
Automobile Manufacturers · weight
0.29%
Industry change · 12M
-0.29 pp
Automobile Manufacturers · contribution
-0.287 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
General Motors →
GM
United States$55.1bn0.182%+0.007 pp-0.162 pp-4.2%Yes
Ford Motor Company →
F
United States$32.8bn0.108%-0.012 pp-0.125 pp-14.6%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.