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 Manufacturers1.82%+1.41 ppHome Improvement Retail1.97%+0.22 ppRestaurants1.30%-0.14 ppCasinos & Gaming0.19%-0.10 ppApparel Retail0.41%-0.08 ppBroadline Retail0.44%-0.04 ppComputer & Electronics Retail0.09%-0.03 ppHotels, Resorts & Cruise Lines0.44%-0.03 ppAutomotive Retail0.14%+0.02 ppAutomotive Parts & Equipment0.15%+0.01 ppLeisure Products0.05%-0.01 ppConsumer Electronics0.09%-0.01 ppOther Specialty Retail0.09%+0.01 ppHomebuilding0.22%-0.01 ppApparel, Accessories & Luxury Goods0.53%+0.00 ppDistributors0.06%+0.00 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Homebuilding
Homebuilding · weight
0.22%
Industry change · 12M
-0.01 pp
Homebuilding · contribution
-0.006 pp
Company participation
33%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 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 |
|---|---|---|---|---|---|---|---|
| PulteGroup → PHM | United States | $12.7bn | 0.043% | -0.004 pp | -0.007 pp | +16.0% | No |
| D. R. Horton → DHI | United States | $34.8bn | 0.118% | +0.003 pp | +0.002 pp | +32.4% | Yes |
| NVR, Inc. → NVR | United States | $18.2bn | 0.061% | -0.000 pp | -0.002 pp | +30.7% | 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.