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
Universe›Consumer Discretionary›Homebuilding›Homebuilding
Homebuilding · weight
0.12%
Industry change · 12M
+0.12 pp
Homebuilding · contribution
+0.124 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 2021 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
D. R. Horton →
DHI
United States$32.4bn0.063%-0.038 pp+0.063 pp+165.2%No
NVR, Inc. →
NVR
United States$17.3bn0.034%-0.028 pp+0.034 pp+83.4%No
PulteGroup →
PHM
United States$13.9bn0.027%-0.020 pp+0.027 pp+137.8%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.