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
Home Improvement Retail0.76%-0.36 ppAutomobile Manufacturers3.08%+0.36 ppRestaurants0.74%-0.32 ppHotels, Resorts & Cruise Lines0.73%+0.18 ppBroadline Retail5.13%+0.12 ppApparel, Accessories & Luxury Goods0.14%-0.09 ppAutomotive Retail0.21%+0.06 ppOther Specialty Retail0.07%-0.04 ppHomebuilding0.14%-0.03 ppDistributors0.02%-0.02 ppCasinos & Gaming0.10%-0.01 ppConsumer Electronics0.08%-0.01 ppFootwear0.03%-0.01 ppAutomotive Parts & Equipment0.02%-0.01 ppHomefurnishing Retail0.04%-0.00 ppComputer & Electronics Retail0.03%-0.00 ppApparel Retail0.43%+0.00 ppLeisure Products0.02%-0.00 pp
3 · Sub-industry
Inside Automobile Manufacturers
Automobile Manufacturers · weight
3.08%
Industry change · 12M
+0.36 pp
Automobile Manufacturers · contribution
+0.356 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 2026 · 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 | $1635.3bn | 2.834% | +0.761 pp | +0.309 pp | +25.8% | Yes |
| Ford Motor Company → F | United States | $65.0bn | 0.113% | +0.041 pp | +0.025 pp | +76.3% | Yes |
| General Motors → GM | United States | $75.1bn | 0.130% | +0.032 pp | +0.022 pp | +69.5% | 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.