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 REITs0.00%-0.94 ppRetail REITs0.00%-0.51 ppMulti-Family Residential REITs0.00%-0.40 ppHealth Care REITs0.00%-0.39 ppData Center REITs0.00%-0.35 ppSelf-Storage REITs0.00%-0.30 ppIndustrial REITs0.00%-0.27 ppOffice REITs0.00%-0.20 ppTimber REITs0.00%-0.10 ppReal Estate Services0.00%-0.09 ppHotel & Resort REITs0.00%-0.07 ppOther Specialized REITs0.00%-0.04 ppSingle-Family Residential REITs0.00%+0.00 pp
3 · Sub-industry
Inside Office REITs
Office REITs · weight
0.00%
Industry change · 12M
-0.20 pp
Office REITs · contribution
-0.197 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2020 · 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 |
|---|---|---|---|---|---|---|---|
| BXP, Inc. → BXP | United States | $13.8bn | 0.000% | -0.084 pp | -0.109 pp | -30.5% | No |
| Alexandria Real Estate Equities → ARE | United States | $22.4bn | 0.000% | -0.111 pp | -0.088 pp | +24.6% | 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.