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 Manufacturers2.96%+1.52 ppHome Improvement Retail1.41%-0.16 ppBroadline Retail4.46%-0.15 ppHotels, Resorts & Cruise Lines0.50%+0.09 ppApparel Retail0.47%+0.07 ppHomebuilding0.24%+0.06 ppRestaurants1.21%-0.06 ppOther Specialty Retail0.08%-0.02 ppDistributors0.07%-0.02 ppApparel, Accessories & Luxury Goods0.29%-0.01 ppAutomotive Parts & Equipment0.09%+0.01 ppAutomotive Retail0.17%-0.01 ppCasinos & Gaming0.20%+0.01 ppConsumer Electronics0.07%+0.01 ppLeisure Products0.03%-0.01 ppComputer & Electronics Retail0.05%-0.01 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Homebuilding
Homebuilding · weight
0.24%
Industry change · 12M
+0.06 pp
Homebuilding · contribution
+0.063 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 2023 · 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 | $36.4bn | 0.121% | +0.025 pp | +0.029 pp | +61.1% | Yes |
| PulteGroup → PHM | United States | $16.2bn | 0.054% | +0.014 pp | +0.020 pp | +99.6% | Yes |
| NVR, Inc. → NVR | United States | $19.5bn | 0.065% | +0.017 pp | +0.014 pp | +49.6% | 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.