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 Lines0.87%-0.07 ppHome Improvement Retail1.78%-0.05 ppAutomobile Manufacturers0.63%+0.05 ppApparel, Accessories & Luxury Goods0.45%+0.04 ppApparel Retail0.35%+0.03 ppBroadline Retail0.47%+0.03 ppCasinos & Gaming0.24%+0.02 ppOther Specialty Retail0.10%+0.01 ppAutomotive Retail0.11%-0.01 ppAutomotive Parts & Equipment0.16%+0.01 ppHomebuilding0.15%-0.01 ppDistributors0.08%-0.01 ppComputer & Electronics Retail0.12%-0.00 ppLeisure Products0.07%-0.00 ppRestaurants1.46%-0.00 ppConsumer Electronics0.07%+0.00 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Automotive Retail
Automotive Retail · weight
0.11%
Industry change · 12M
-0.01 pp
Automotive Retail · contribution
-0.013 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 2018 · 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 |
|---|---|---|---|---|---|---|---|
| AutoZone → AZO | United States | $17.5bn | 0.106% | -0.003 pp | -0.013 pp | -15.2% | No |
| O'Reilly Automotive → ORLY | United States | $1.5bn | 0.009% | +0.001 pp | +0.000 pp | +1.8% | 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.