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 Technology38.2%+3.54 ppFinancials11.8%+0.88 ppConsumer Discretionary12.1%+0.80 ppIndustrials9.7%-0.00 ppCommunication Services2.4%-0.05 ppUtilities2.7%-0.15 ppEnergy2.3%-0.17 ppMaterials2.1%-0.43 ppReal Estate2.2%-0.45 ppConsumer Staples6.2%-0.90 ppHealth Care10.4%-3.06 pp

2 · Industry

Inside Real Estate

Telecom Tower REITs0.31%-0.13 ppSelf-Storage REITs0.16%-0.08 ppIndustrial REITs0.21%-0.06 ppMulti-Family Residential REITs0.16%-0.05 ppHealth Care REITs0.33%+0.05 ppData Center REITs0.27%-0.05 ppRetail REITs0.29%-0.04 ppOffice REITs0.05%-0.03 ppTimber REITs0.04%-0.02 ppOther Specialized REITs0.06%-0.02 ppHotel & Resort REITs0.09%-0.02 ppSingle-Family Residential REITs0.04%-0.01 ppReal Estate Services0.17%+0.00 pp

3 · Sub-industry

Inside Data Center REITs

Data Center REITs0.27%-0.048 pp
Concentrated

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

View all contributions →
Data Center REITs · weight
0.27%
Industry change · 12M
-0.05 pp
Data Center REITs · contribution
-0.048 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Equinix →
EQIX
United States$76.7bn0.153%-0.014 pp-0.043 pp-9.9%No
Digital Realty →
DLR
United States$59.0bn0.118%-0.009 pp-0.005 pp+10.0%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.