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%-0.12 ppRestaurants1.50%+0.04 ppApparel, Accessories & Luxury Goods0.44%+0.03 ppHotels, Resorts & Cruise Lines0.92%-0.03 ppBroadline Retail0.46%+0.02 ppCasinos & Gaming0.24%+0.02 ppApparel Retail0.34%+0.02 ppAutomotive Retail0.12%-0.01 ppAutomobile Manufacturers0.57%-0.01 ppDistributors0.08%-0.01 ppHomebuilding0.15%-0.01 ppAutomotive Parts & Equipment0.14%-0.01 ppComputer & Electronics Retail0.13%+0.00 ppLeisure Products0.06%-0.00 ppOther Specialty Retail0.09%-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
0.46%
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
Mar 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 | $35.0bn | 0.215% | +0.016 pp | +0.016 pp | -0.2% | Yes |
| eBay Inc. → EBAY | United States | $40.7bn | 0.250% | +0.008 pp | +0.008 pp | -0.8% | 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.