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 Manufacturers2.95%+0.56 ppBroadline Retail4.54%-0.55 ppRestaurants0.75%-0.27 ppHome Improvement Retail0.83%-0.23 ppHotels, Resorts & Cruise Lines0.77%+0.19 ppApparel, Accessories & Luxury Goods0.13%-0.10 ppAutomotive Retail0.22%+0.08 ppOther Specialty Retail0.06%-0.04 ppApparel Retail0.41%+0.02 ppHomebuilding0.16%-0.02 ppCasinos & Gaming0.09%-0.02 ppAutomotive Parts & Equipment0.02%-0.01 ppFootwear0.02%-0.01 ppDistributors0.03%-0.01 ppConsumer Electronics0.08%-0.01 ppHomefurnishing Retail0.05%+0.00 ppComputer & Electronics Retail0.03%-0.00 ppLeisure Products0.02%-0.00 pp
3 · Sub-industry
Inside Homebuilding
Homebuilding · weight
0.16%
Industry change · 12M
-0.02 pp
Homebuilding · contribution
-0.020 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2026 · 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 |
|---|---|---|---|---|---|---|---|
| NVR, Inc. → NVR | United States | $18.4bn | 0.032% | +0.005 pp | -0.015 pp | -7.7% | Yes |
| D. R. Horton → DHI | United States | $46.2bn | 0.080% | +0.022 pp | -0.005 pp | +27.8% | Yes |
| PulteGroup → PHM | United States | $26.1bn | 0.045% | +0.012 pp | -0.000 pp | +31.1% | 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.