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 Technology26.2%+5.17 ppConsumer Discretionary7.6%+1.03 ppIndustrials12.5%+0.98 ppFinancials14.5%+0.40 ppMaterials3.4%+0.25 ppEnergy2.2%-0.33 ppUtilities3.2%-0.52 ppReal Estate3.1%-0.54 ppCommunication Services4.6%-0.59 ppConsumer Staples7.1%-2.07 ppHealth Care15.5%-3.78 pp

2 · Industry

Inside Real Estate

Telecom Tower REITs0.82%-0.32 ppData Center REITs0.39%-0.11 ppMulti-Family Residential REITs0.28%-0.07 ppIndustrial REITs0.31%-0.06 ppOffice REITs0.16%-0.04 ppReal Estate Services0.10%+0.02 ppTimber REITs0.11%+0.01 ppRetail REITs0.32%+0.01 ppSelf-Storage REITs0.25%+0.00 ppHealth Care REITs0.26%-0.00 ppOther Specialized REITs0.04%+0.00 ppHotel & Resort REITs0.05%-0.00 ppSingle-Family Residential REITs0.00%+0.00 pp

3 · Sub-industry

Inside Data Center REITs

Data Center REITs0.39%-0.107 pp
Concentrated

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

View all contributions →
Data Center REITs · weight
0.39%
Industry change · 12M
-0.11 pp
Data Center REITs · contribution
-0.107 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 2021 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Equinix →
EQIX
United States$64.6bn0.234%+0.076 pp-0.089 pp+8.4%Yes
Digital Realty →
DLR
United States$43.4bn0.157%+0.061 pp-0.018 pp+6.7%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.