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 Retail1.66%+1.66 ppRestaurants1.38%+1.38 ppAutomobile Manufacturers1.24%+1.24 ppApparel, Accessories & Luxury Goods0.53%+0.53 ppHotels, Resorts & Cruise Lines0.47%+0.47 ppBroadline Retail0.45%+0.45 ppApparel Retail0.43%+0.43 ppHomebuilding0.23%+0.23 ppCasinos & Gaming0.21%+0.21 ppAutomotive Parts & Equipment0.15%+0.15 ppAutomotive Retail0.13%+0.13 ppConsumer Electronics0.10%+0.10 ppComputer & Electronics Retail0.10%+0.10 ppOther Specialty Retail0.08%+0.08 ppDistributors0.06%+0.06 ppLeisure Products0.05%+0.05 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Broadline Retail
Broadline Retail · weight
0.45%
Industry change · 12M
+0.45 pp
Broadline Retail · contribution
+0.448 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 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 | $84.3bn | 0.289% | -0.028 pp | +0.289 pp | +5.1% | Yes |
| eBay Inc. → EBAY | United States | $46.5bn | 0.159% | +0.022 pp | +0.159 pp | +24.9% | 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.