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 Retail1.73%-0.10 ppRestaurants1.56%+0.10 ppHotels, Resorts & Cruise Lines0.89%-0.05 ppApparel, Accessories & Luxury Goods0.45%+0.04 ppApparel Retail0.35%+0.03 ppBroadline Retail0.46%+0.02 ppAutomotive Retail0.11%-0.02 ppOther Specialty Retail0.10%+0.02 ppCasinos & Gaming0.23%+0.01 ppComputer & Electronics Retail0.13%+0.01 ppDistributors0.08%-0.01 ppAutomotive Parts & Equipment0.14%-0.01 ppHomebuilding0.16%-0.00 ppAutomobile Manufacturers0.58%-0.00 ppConsumer Electronics0.07%+0.00 ppLeisure Products0.07%+0.00 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Broadline Retail
Broadline Retail · weight
0.46%
Industry change · 12M
+0.02 pp
Broadline Retail · contribution
+0.024 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 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 | $38.0bn | 0.233% | +0.034 pp | +0.034 pp | +7.9% | Yes |
| eBay Inc. → EBAY | United States | $37.7bn | 0.231% | -0.010 pp | -0.010 pp | -6.7% | 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.