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 Automotive Retail
Automotive Retail · weight
0.21%
Industry change · 12M
+0.06 pp
Automotive Retail · contribution
+0.055 pp
Company participation
0%
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 |
|---|---|---|---|---|---|---|---|
| O'Reilly Automotive → ORLY | United States | $72.0bn | 0.125% | +0.017 pp | +0.113 pp | -4.7% | No |
| AutoZone → AZO | United States | $48.4bn | 0.084% | -0.002 pp | -0.058 pp | -21.4% | 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.