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%+1.71 ppRestaurants1.36%+1.36 ppAutomobile Manufacturers1.22%+1.22 ppHotels, Resorts & Cruise Lines0.54%+0.54 ppApparel, Accessories & Luxury Goods0.46%+0.46 ppApparel Retail0.45%+0.45 ppBroadline Retail0.44%+0.44 ppCasinos & Gaming0.29%+0.29 ppHomebuilding0.24%+0.24 ppAutomotive Parts & Equipment0.15%+0.15 ppAutomotive Retail0.12%+0.12 ppComputer & Electronics Retail0.10%+0.10 ppConsumer Electronics0.10%+0.10 ppOther Specialty Retail0.08%+0.08 ppDistributors0.07%+0.07 ppLeisure Products0.05%+0.05 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Homebuilding
Homebuilding · weight
0.24%
Industry change · 12M
+0.24 pp
Homebuilding · contribution
+0.241 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 |
|---|---|---|---|---|---|---|---|
| D. R. Horton → DHI | United States | $34.4bn | 0.123% | +0.067 pp | +0.123 pp | +74.0% | Yes |
| NVR, Inc. → NVR | United States | $17.8bn | 0.064% | +0.031 pp | +0.064 pp | +51.7% | Yes |
| PulteGroup → PHM | United States | $15.2bn | 0.054% | +0.030 pp | +0.054 pp | +72.2% | 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.