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›Real Estate›Other Specialized REITs›Other Specialized REITs

1 · Sector

Weight and 12M allocation change

Consumer Discretionary11.3%+4.18 ppEnergy3.7%+0.58 ppIndustrials10.3%+0.07 ppUtilities3.2%+0.05 ppMaterials3.2%+0.02 ppReal Estate3.2%+0.00 ppHealth Care16.6%-0.02 ppConsumer Staples7.5%-0.07 ppCommunication Services3.3%-0.59 ppFinancials12.6%-0.72 ppInformation Technology25.1%-3.51 pp

2 · Industry

Inside Real Estate

Hotel & Resort REITs0.16%+0.12 ppTelecom Tower REITs0.62%-0.10 ppReal Estate Services0.19%+0.08 ppSingle-Family Residential REITs0.07%+0.07 ppOffice REITs0.13%-0.04 ppSelf-Storage REITs0.26%-0.04 ppMulti-Family Residential REITs0.29%-0.03 ppIndustrial REITs0.40%+0.03 ppData Center REITs0.33%-0.03 ppTimber REITs0.08%-0.02 ppHealth Care REITs0.24%-0.02 ppRetail REITs0.38%-0.01 ppOther Specialized REITs0.05%+0.00 pp

3 · Sub-industry

Inside Other Specialized REITs

Other Specialized REITs0.05%+0.004 pp
Concentrated

Most of this industry's gains came from a few companies.

View all contributions →
Other Specialized REITs · weight
0.05%
Industry change · 12M
+0.00 pp
Other Specialized REITs · contribution
+0.004 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Iron Mountain →
IRM
United States$15.3bn0.054%+0.000 pp+0.004 pp+12.5%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.