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
Consumer Electronics0.10%-44.32 ppHome Improvement Retail1.79%+0.85 ppRestaurants1.54%+0.67 ppApparel Retail0.57%+0.33 ppCasinos & Gaming0.39%+0.31 ppHotels, Resorts & Cruise Lines0.67%+0.24 ppApparel, Accessories & Luxury Goods0.44%+0.18 ppHomebuilding0.23%+0.16 ppBroadline Retail0.38%+0.15 ppAutomobile Manufacturers0.44%+0.15 ppAutomotive Retail0.15%+0.08 ppAutomotive Parts & Equipment0.12%+0.05 ppComputer & Electronics Retail0.10%+0.03 ppDistributors0.08%+0.03 ppLeisure Products0.06%+0.02 ppOther Specialty Retail0.08%+0.02 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Automotive Retail
Automotive Retail · weight
0.15%
Industry change · 12M
+0.08 pp
Automotive Retail · contribution
+0.084 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 2019 · 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 |
|---|---|---|---|---|---|---|---|
| AutoZone → AZO | United States | $27.3bn | 0.142% | -0.004 pp | +0.079 pp | +56.0% | No |
| O'Reilly Automotive → ORLY | United States | $2.2bn | 0.012% | +0.001 pp | +0.006 pp | +35.8% | Yes |
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.