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›Data Center REITs›Data Center REITs

1 · Sector

Weight and 12M allocation change

Information Technology27.2%+8.81 ppConsumer Discretionary7.5%+0.48 ppMaterials3.1%-0.14 ppCommunication Services5.1%-0.22 ppReal Estate2.9%-0.60 ppUtilities2.9%-0.78 ppHealth Care16.1%-0.85 ppConsumer Staples7.8%-0.86 ppIndustrials12.1%-1.12 ppEnergy1.9%-1.68 ppFinancials13.4%-3.05 pp

2 · Industry

Inside Real Estate

Retail REITs0.27%-0.20 ppMulti-Family Residential REITs0.26%-0.13 ppTelecom Tower REITs0.81%-0.11 ppHealth Care REITs0.25%-0.10 ppData Center REITs0.42%+0.05 ppOffice REITs0.16%-0.04 ppSelf-Storage REITs0.22%-0.03 ppHotel & Resort REITs0.04%-0.02 ppIndustrial REITs0.30%+0.02 ppReal Estate Services0.09%-0.02 ppOther Specialized REITs0.03%-0.01 ppTimber REITs0.10%-0.01 ppSingle-Family Residential REITs0.00%+0.00 pp

3 · Sub-industry

Inside Data Center REITs

Data Center REITs0.42%+0.049 pp
Concentrated

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

View all contributions →
Data Center REITs · weight
0.42%
Industry change · 12M
+0.05 pp
Data Center REITs · contribution
+0.049 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 2020 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Digital Realty →
DLR
United States$39.1bn0.158%+0.158 pp+0.036 pp+20.4%Yes
Equinix →
EQIX
United States$63.6bn0.258%+0.257 pp+0.013 pp+24.2%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.