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
1.35%
Industry change · 12M
+1.35 pp
Automobile Manufacturers · contribution
+1.352 pp
Company participation
67%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Tesla, Inc. →
TSLA
United States$255.9bn0.898%+0.131 pp+0.898 pp+80.8%Yes
General Motors →
GM
United States$76.5bn0.269%-0.034 pp+0.268 pp+78.1%No
Ford Motor Company →
F
United States$52.8bn0.185%-0.010 pp+0.185 pp+112.6%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.