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
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Consumer Discretionary
Hotels, Resorts & Cruise Lines0.42%-0.37 ppAutomobile Manufacturers0.28%-0.24 ppRestaurants1.48%-0.15 ppCasinos & Gaming0.30%+0.14 ppHomebuilding0.20%+0.06 ppApparel Retail0.51%-0.06 ppBroadline Retail0.50%+0.05 ppOther Specialty Retail0.08%-0.05 ppApparel, Accessories & Luxury Goods0.44%-0.03 ppAutomotive Parts & Equipment0.10%-0.02 ppDistributors0.06%-0.02 ppLeisure Products0.06%-0.02 ppHome Improvement Retail1.76%+0.01 ppAutomotive Retail0.14%-0.01 ppConsumer Electronics0.09%-0.01 ppComputer & Electronics Retail0.11%-0.00 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Automobile Manufacturers
Automobile Manufacturers · weight
0.28%
Industry change · 12M
-0.24 pp
Automobile Manufacturers · contribution
-0.240 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 2020 · sorted by absolute contribution to 12-month change
| Company | Country | Market cap | Universe weight | 3M contribution | 12M contribution | 12M price return | Above 6M weight average |
|---|---|---|---|---|---|---|---|
| General Motors → GM | United States | $31.9bn | 0.178% | -0.057 pp | -0.130 pp | -40.2% | Yes |
| Ford Motor Company → F | United States | $19.0bn | 0.106% | -0.056 pp | -0.111 pp | -48.9% | 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.