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 REITs0.48%-0.20 ppMulti-Family Residential REITs0.22%-0.07 ppIndustrial REITs0.35%-0.06 ppRetail REITs0.33%-0.06 ppOffice REITs0.09%-0.04 ppHotel & Resort REITs0.13%-0.03 ppReal Estate Services0.18%-0.02 ppHealth Care REITs0.22%-0.02 ppSelf-Storage REITs0.24%-0.02 ppTimber REITs0.07%-0.02 ppData Center REITs0.36%+0.01 ppSingle-Family Residential REITs0.06%-0.01 ppOther Specialized REITs0.06%+0.00 pp
3 · Sub-industry
Inside Retail REITs
Retail REITs · weight
0.33%
Industry change · 12M
-0.06 pp
Retail REITs · contribution
-0.058 pp
Company participation
20%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2024 · 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 |
|---|---|---|---|---|---|---|---|
| Realty Income → O | United States | $39.4bn | 0.117% | +0.003 pp | -0.029 pp | -15.4% | No |
| Kimco Realty → KIM | United States | $12.5bn | 0.037% | -0.001 pp | -0.010 pp | -5.2% | No |
| Simon Property Group → SPG | United States | $39.3bn | 0.117% | +0.011 pp | -0.008 pp | +14.9% | Yes |
| Federal Realty Investment Trust → FRT | United States | $8.3bn | 0.025% | -0.001 pp | -0.006 pp | -4.7% | No |
| Regency Centers → REG | United States | $11.6bn | 0.034% | -0.001 pp | -0.005 pp | -1.9% | 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.