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
Consumer Electronics45.19%+45.12 ppHome Improvement Retail0.94%-0.90 ppRestaurants0.87%-0.59 ppHotels, Resorts & Cruise Lines0.43%-0.51 ppAutomobile Manufacturers0.29%-0.29 ppBroadline Retail0.24%-0.20 ppApparel, Accessories & Luxury Goods0.27%-0.14 ppCasinos & Gaming0.10%-0.12 ppHomebuilding0.07%-0.09 ppAutomotive Parts & Equipment0.07%-0.08 ppComputer & Electronics Retail0.05%-0.07 ppAutomotive Retail0.08%-0.05 ppDistributors0.05%-0.04 ppLeisure Products0.04%-0.03 ppOther Specialty Retail0.06%-0.02 ppApparel Retail0.31%-0.01 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Homebuilding
Homebuilding · weight
0.07%
Industry change · 12M
-0.09 pp
Homebuilding · contribution
-0.086 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2019 · 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 | $14.4bn | 0.047% | +0.001 pp | -0.058 pp | -20.6% | No |
| PulteGroup → PHM | United States | $7.7bn | 0.025% | +0.002 pp | -0.028 pp | -11.4% | 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.