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
Broadline Retail4.97%-0.66 ppAutomobile Manufacturers3.33%+0.25 ppHome Improvement Retail1.00%-0.24 ppRestaurants0.88%-0.19 ppAutomotive Retail0.28%+0.14 ppApparel, Accessories & Luxury Goods0.19%-0.10 ppOther Specialty Retail0.11%+0.05 ppHomefurnishing Retail0.05%+0.05 ppHomebuilding0.17%-0.04 ppFootwear0.03%-0.03 ppHotels, Resorts & Cruise Lines0.57%-0.02 ppConsumer Electronics0.07%-0.02 ppComputer & Electronics Retail0.03%-0.01 ppApparel Retail0.44%+0.01 ppCasinos & Gaming0.11%-0.01 ppLeisure Products0.02%+0.01 ppAutomotive Parts & Equipment0.03%-0.00 ppDistributors0.04%+0.00 pp
3 · Sub-industry
Inside Automotive Retail
Automotive Retail · weight
0.28%
Industry change · 12M
+0.14 pp
Automotive Retail · contribution
+0.140 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 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 | $83.1bn | 0.159% | +0.002 pp | +0.148 pp | +14.0% | No |
| AutoZone → AZO | United States | $61.4bn | 0.117% | -0.002 pp | -0.008 pp | +10.6% | 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.