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 Retail1.72%-0.11 ppBroadline Retail0.48%+0.04 ppApparel, Accessories & Luxury Goods0.43%+0.02 ppHomebuilding0.14%-0.02 ppApparel Retail0.34%+0.01 ppHotels, Resorts & Cruise Lines0.93%-0.01 ppAutomotive Retail0.12%-0.01 ppAutomobile Manufacturers0.57%-0.01 ppDistributors0.08%-0.01 ppComputer & Electronics Retail0.13%+0.01 ppCasinos & Gaming0.22%+0.00 ppOther Specialty Retail0.08%-0.00 ppLeisure Products0.07%+0.00 ppAutomotive Parts & Equipment0.15%+0.00 ppRestaurants1.46%-0.00 ppConsumer Electronics0.07%-0.00 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Broadline Retail
Broadline Retail · weight
0.48%
Industry change · 12M
+0.04 pp
Broadline Retail · contribution
+0.038 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 2018 · 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 | $36.6bn | 0.219% | +0.020 pp | +0.020 pp | +4.2% | Yes |
| eBay Inc. → EBAY | United States | $43.4bn | 0.260% | +0.018 pp | +0.018 pp | +5.6% | 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.