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 Manufacturers3.04%+0.37 ppHome Improvement Retail0.97%-0.31 ppRestaurants0.87%-0.20 ppAutomotive Retail0.30%+0.17 ppBroadline Retail4.97%+0.08 ppApparel, Accessories & Luxury Goods0.19%-0.07 ppHomebuilding0.18%-0.06 ppOther Specialty Retail0.10%+0.05 ppHotels, Resorts & Cruise Lines0.52%-0.04 ppHomefurnishing Retail0.04%+0.04 ppFootwear0.03%-0.04 ppApparel Retail0.44%+0.02 ppConsumer Electronics0.07%-0.02 ppComputer & Electronics Retail0.03%-0.01 ppAutomotive Parts & Equipment0.03%+0.00 ppDistributors0.04%-0.00 ppCasinos & Gaming0.14%+0.00 ppLeisure Products0.02%+0.00 pp
3 · Sub-industry
Inside Automotive Retail
Automotive Retail · weight
0.30%
Industry change · 12M
+0.17 pp
Automotive Retail · contribution
+0.169 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 2025 · 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 |
|---|---|---|---|---|---|---|---|
| O'Reilly Automotive → ORLY | United States | $85.8bn | 0.169% | -0.014 pp | +0.158 pp | +22.7% | Yes |
| AutoZone → AZO | United States | $65.8bn | 0.129% | -0.016 pp | +0.011 pp | +24.8% | No |
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.