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
Automobile Manufacturers1.65%+0.38 ppHome Improvement Retail1.95%+0.31 ppCasinos & Gaming0.19%-0.11 ppApparel Retail0.42%-0.09 ppRestaurants1.34%-0.07 ppBroadline Retail0.40%-0.07 ppApparel, Accessories & Luxury Goods0.49%-0.03 ppAutomotive Retail0.15%+0.03 ppComputer & Electronics Retail0.08%-0.03 ppHomebuilding0.24%+0.03 ppOther Specialty Retail0.09%+0.01 ppConsumer Electronics0.08%-0.01 ppLeisure Products0.04%-0.01 ppDistributors0.06%+0.01 ppHotels, Resorts & Cruise Lines0.47%+0.00 ppAutomotive Parts & Equipment0.14%+0.00 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Automobile Manufacturers
Automobile Manufacturers · weight
1.65%
Industry change · 12M
+0.38 pp
Automobile Manufacturers · contribution
+0.378 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 2021 · 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 |
|---|---|---|---|---|---|---|---|
| Tesla, Inc. → TSLA | United States | $353.8bn | 1.133% | +0.235 pp | +0.231 pp | +49.8% | Yes |
| Ford Motor Company → F | United States | $77.4bn | 0.248% | +0.063 pp | +0.115 pp | +137.5% | Yes |
| General Motors → GM | United States | $85.1bn | 0.273% | +0.004 pp | +0.031 pp | +40.8% | 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.