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 Manufacturers3.20%+1.09 ppBroadline Retail5.19%+0.52 ppRestaurants0.82%-0.27 ppHome Improvement Retail1.00%-0.27 ppAutomotive Retail0.28%+0.15 ppHomebuilding0.17%-0.08 ppApparel, Accessories & Luxury Goods0.19%-0.07 ppOther Specialty Retail0.10%+0.05 ppHomefurnishing Retail0.05%+0.05 ppFootwear0.02%-0.03 ppHotels, Resorts & Cruise Lines0.51%-0.03 ppCasinos & Gaming0.12%-0.02 ppComputer & Electronics Retail0.03%-0.01 ppConsumer Electronics0.08%-0.01 ppAutomotive Parts & Equipment0.03%+0.00 ppDistributors0.03%-0.00 ppApparel Retail0.41%-0.00 ppLeisure Products0.02%-0.00 pp
3 · Sub-industry
Inside Automotive Retail
Automotive Retail · weight
0.28%
Industry change · 12M
+0.15 pp
Automotive Retail · contribution
+0.147 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 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 | $80.1bn | 0.157% | +0.145 pp | +0.146 pp | +22.8% | Yes |
| AutoZone → AZO | United States | $61.1bn | 0.120% | -0.013 pp | +0.000 pp | +22.1% | 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.