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 Retail1.71%+1.71 ppRestaurants1.36%+1.36 ppAutomobile Manufacturers1.22%+1.22 ppHotels, Resorts & Cruise Lines0.54%+0.54 ppApparel, Accessories & Luxury Goods0.46%+0.46 ppApparel Retail0.45%+0.45 ppBroadline Retail0.44%+0.44 ppCasinos & Gaming0.29%+0.29 ppHomebuilding0.24%+0.24 ppAutomotive Parts & Equipment0.15%+0.15 ppAutomotive Retail0.12%+0.12 ppComputer & Electronics Retail0.10%+0.10 ppConsumer Electronics0.10%+0.10 ppOther Specialty Retail0.08%+0.08 ppDistributors0.07%+0.07 ppLeisure Products0.05%+0.05 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Broadline Retail
Broadline Retail · weight
0.44%
Industry change · 12M
+0.44 pp
Broadline Retail · contribution
+0.439 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 2021 · 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 |
|---|---|---|---|---|---|---|---|
| Amazon → AMZN | United States | $81.3bn | 0.291% | +0.136 pp | +0.291 pp | +32.0% | Yes |
| eBay Inc. → EBAY | United States | $41.5bn | 0.149% | +0.072 pp | +0.148 pp | +35.3% | 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.