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
Automobile Manufacturers2.15%-0.80 ppBroadline Retail4.63%+0.17 ppHome Improvement Retail1.29%-0.12 ppRestaurants1.12%-0.09 ppCasinos & Gaming0.14%-0.06 ppAutomotive Parts & Equipment0.04%-0.05 ppHomebuilding0.28%+0.04 ppApparel Retail0.42%-0.04 ppAutomotive Retail0.14%-0.03 ppOther Specialty Retail0.06%-0.02 ppDistributors0.05%-0.02 ppApparel, Accessories & Luxury Goods0.28%-0.02 ppConsumer Electronics0.08%+0.01 ppHotels, Resorts & Cruise Lines0.49%-0.01 ppFootwear0.01%+0.01 ppLeisure Products0.02%-0.01 ppComputer & Electronics Retail0.05%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Broadline Retail
Broadline Retail · weight
4.63%
Industry change · 12M
+0.17 pp
Broadline Retail · contribution
+0.168 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 2024 · 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 | $1955.6bn | 4.553% | +0.783 pp | +0.173 pp | +46.6% | Yes |
| eBay Inc. → EBAY | United States | $31.8bn | 0.074% | +0.024 pp | -0.004 pp | +50.8% | 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.