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

Information Technology34.0%+4.14 ppFinancials12.2%+0.98 ppConsumer Staples6.9%+0.08 ppIndustrials9.8%+0.03 ppUtilities2.8%-0.10 ppCommunication Services2.6%-0.24 ppConsumer Discretionary12.0%-0.29 ppReal Estate2.5%-0.34 ppMaterials2.4%-0.46 ppEnergy2.6%-0.67 ppHealth Care12.1%-3.14 pp

2 · Industry

Inside Real Estate

Telecom Tower REITs0.37%-0.17 ppIndustrial REITs0.24%-0.09 ppHealth Care REITs0.28%+0.05 ppHotel & Resort REITs0.10%-0.03 ppOther Specialized REITs0.08%+0.02 ppTimber REITs0.05%-0.02 ppData Center REITs0.35%-0.02 ppSingle-Family Residential REITs0.05%-0.02 ppOffice REITs0.07%-0.02 ppSelf-Storage REITs0.21%-0.01 ppRetail REITs0.32%-0.01 ppReal Estate Services0.17%-0.01 ppMulti-Family Residential REITs0.21%-0.01 pp

3 · Sub-industry

Inside Other Specialized REITs

Other Specialized REITs0.08%+0.022 pp
Concentrated

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

View all contributions →
Other Specialized REITs · weight
0.08%
Industry change · 12M
+0.02 pp
Other Specialized REITs · contribution
+0.022 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Nov 2024 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Iron Mountain →
IRM
United States$36.3bn0.080%-0.000 pp+0.022 pp+98.9%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.