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 Manufacturers1.65%+0.38 ppHome Improvement Retail1.95%+0.31 ppCasinos & Gaming0.19%-0.11 ppApparel Retail0.42%-0.09 ppRestaurants1.34%-0.07 ppBroadline Retail0.40%-0.07 ppApparel, Accessories & Luxury Goods0.49%-0.03 ppAutomotive Retail0.15%+0.03 ppComputer & Electronics Retail0.08%-0.03 ppHomebuilding0.24%+0.03 ppOther Specialty Retail0.09%+0.01 ppConsumer Electronics0.08%-0.01 ppLeisure Products0.04%-0.01 ppDistributors0.06%+0.01 ppHotels, Resorts & Cruise Lines0.47%+0.00 ppAutomotive Parts & Equipment0.14%+0.00 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Homebuilding
Homebuilding · weight
0.24%
Industry change · 12M
+0.03 pp
Homebuilding · contribution
+0.026 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 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 | $38.7bn | 0.124% | +0.018 pp | +0.022 pp | +58.7% | Yes |
| NVR, Inc. → NVR | United States | $20.6bn | 0.066% | +0.006 pp | +0.004 pp | +44.8% | Yes |
| PulteGroup → PHM | United States | $14.5bn | 0.046% | +0.005 pp | -0.000 pp | +34.0% | 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.