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 Manufacturers3.20%+1.09 ppBroadline Retail5.19%+0.52 ppRestaurants0.82%-0.27 ppHome Improvement Retail1.00%-0.27 ppAutomotive Retail0.28%+0.15 ppHomebuilding0.17%-0.08 ppApparel, Accessories & Luxury Goods0.19%-0.07 ppOther Specialty Retail0.10%+0.05 ppHomefurnishing Retail0.05%+0.05 ppFootwear0.02%-0.03 ppHotels, Resorts & Cruise Lines0.51%-0.03 ppCasinos & Gaming0.12%-0.02 ppComputer & Electronics Retail0.03%-0.01 ppConsumer Electronics0.08%-0.01 ppAutomotive Parts & Equipment0.03%+0.00 ppDistributors0.03%-0.00 ppApparel Retail0.41%-0.00 ppLeisure Products0.02%-0.00 pp
3 · Sub-industry
Inside Homebuilding
Homebuilding · weight
0.17%
Industry change · 12M
-0.08 pp
Homebuilding · contribution
-0.085 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 2025 · 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 | $44.4bn | 0.087% | -0.003 pp | -0.042 pp | -10.8% | No |
| NVR, Inc. → NVR | United States | $20.7bn | 0.041% | -0.006 pp | -0.026 pp | -21.2% | No |
| PulteGroup → PHM | United States | $23.4bn | 0.046% | -0.001 pp | -0.017 pp | -6.7% | 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.