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
Latest available · not live
20182026
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Consumer Discretionary
Automobile Manufacturers2.54%-0.53 ppHome Improvement Retail0.65%-0.44 ppRestaurants0.64%-0.25 ppBroadline Retail4.59%-0.18 ppAutomotive Retail0.19%-0.13 ppHotels, Resorts & Cruise Lines0.67%+0.12 ppApparel, Accessories & Luxury Goods0.11%-0.10 ppHomebuilding0.13%-0.07 ppCasinos & Gaming0.07%-0.05 ppApparel Retail0.37%-0.05 ppOther Specialty Retail0.07%-0.04 ppAutomotive Parts & Equipment0.02%-0.02 ppFootwear0.02%-0.01 ppDistributors0.03%-0.01 ppHomefurnishing Retail0.05%-0.00 ppConsumer Electronics0.09%-0.00 ppComputer & Electronics Retail0.03%-0.00 ppLeisure Products0.02%-0.00 pp
3 · Sub-industry
Inside Automotive Retail
Automotive Retail · weight
0.19%
Industry change · 12M
-0.13 pp
Automotive Retail · contribution
-0.133 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 |
|---|---|---|---|---|---|---|---|
| O'Reilly Automotive → ORLY | United States | $69.1bn | 0.116% | -0.017 pp | -0.067 pp | -20.8% | No |
| AutoZone → AZO | United States | $46.2bn | 0.078% | -0.013 pp | -0.066 pp | -34.0% | 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.