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 Manufacturers2.15%-0.80 ppBroadline Retail4.63%+0.17 ppHome Improvement Retail1.29%-0.12 ppRestaurants1.12%-0.09 ppCasinos & Gaming0.14%-0.06 ppAutomotive Parts & Equipment0.04%-0.05 ppHomebuilding0.28%+0.04 ppApparel Retail0.42%-0.04 ppAutomotive Retail0.14%-0.03 ppOther Specialty Retail0.06%-0.02 ppDistributors0.05%-0.02 ppApparel, Accessories & Luxury Goods0.28%-0.02 ppConsumer Electronics0.08%+0.01 ppHotels, Resorts & Cruise Lines0.49%-0.01 ppFootwear0.01%+0.01 ppLeisure Products0.02%-0.01 ppComputer & Electronics Retail0.05%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Automobile Manufacturers
Automobile Manufacturers · weight
2.15%
Industry change · 12M
-0.80 pp
Automobile Manufacturers · contribution
-0.804 pp
Company participation
67%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 2024 · 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 | $835.8bn | 1.946% | +0.763 pp | -0.707 pp | +4.6% | Yes |
| Ford Motor Company → F | United States | $39.4bn | 0.092% | +0.004 pp | -0.063 pp | -8.8% | No |
| General Motors → GM | United States | $50.4bn | 0.117% | +0.018 pp | -0.034 pp | +37.5% | 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.