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 Technology33.6%+3.90 ppConsumer Discretionary13.1%+1.27 ppFinancials12.6%+0.85 ppConsumer Staples6.8%+0.07 ppUtilities2.6%-0.07 ppCommunication Services2.5%-0.41 ppReal Estate2.3%-0.46 ppMaterials2.3%-0.48 ppIndustrials9.6%-0.62 ppEnergy2.5%-0.66 ppHealth Care12.2%-3.40 pp

2 · Industry

Inside Real Estate

Telecom Tower REITs0.33%-0.16 ppIndustrial REITs0.25%-0.10 ppHealth Care REITs0.28%+0.05 ppSelf-Storage REITs0.19%-0.05 ppData Center REITs0.32%-0.04 ppHotel & Resort REITs0.10%-0.04 ppRetail REITs0.30%-0.03 ppOffice REITs0.06%-0.03 ppMulti-Family Residential REITs0.20%-0.02 ppTimber REITs0.05%-0.02 ppSingle-Family Residential REITs0.04%-0.02 ppReal Estate Services0.17%-0.01 ppOther Specialized REITs0.07%+0.01 pp

3 · Sub-industry

Inside Data Center REITs

Data Center REITs0.32%-0.041 pp
Concentrated

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

View all contributions →
Data Center REITs · weight
0.32%
Industry change · 12M
-0.04 pp
Data Center REITs · contribution
-0.041 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 2025 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Equinix →
EQIX
United States$88.2bn0.196%-0.010 pp-0.036 pp+12.3%No
Digital Realty →
DLR
United States$54.4bn0.121%-0.016 pp-0.006 pp+20.3%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.