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 Real Estate
Telecom Tower REITs0.99%+0.25 ppHealth Care REITs0.41%+0.10 ppTimber REITs0.10%-0.07 ppMulti-Family Residential REITs0.43%+0.06 ppIndustrial REITs0.27%+0.06 ppData Center REITs0.38%+0.05 ppRetail REITs0.55%+0.03 ppSelf-Storage REITs0.32%+0.02 ppOffice REITs0.21%+0.02 ppHotel & Resort REITs0.08%-0.02 ppOther Specialized REITs0.05%-0.01 ppReal Estate Services0.09%-0.01 ppSingle-Family Residential REITs0.00%+0.00 pp
3 · Sub-industry
Inside Real Estate Services
Real Estate Services · weight
0.09%
Industry change · 12M
-0.01 pp
Real Estate Services · contribution
-0.006 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 |
|---|---|---|---|---|---|---|---|
| CBRE Group → CBRE | United States | $15.4bn | 0.089% | -0.009 pp | -0.006 pp | -1.1% | 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.