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
0.51%
Industry change · 12M
-0.06 pp
Automobile Manufacturers · contribution
-0.056 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Ford Motor Company →
F
United States$32.7bn0.189%+0.073 pp-0.048 pp-12.0%Yes
General Motors →
GM
United States$55.6bn0.323%+0.145 pp-0.008 pp+4.4%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.