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 Technology28.3%+2.98 ppConsumer Discretionary12.3%+1.34 ppIndustrials9.9%+0.26 ppEnergy3.7%+0.18 ppMaterials2.9%-0.09 ppCommunication Services2.9%-0.40 ppReal Estate2.8%-0.49 ppUtilities2.8%-0.68 ppConsumer Staples7.1%-0.72 ppFinancials11.1%-0.86 ppHealth Care16.2%-1.52 pp

2 · Industry

Inside Real Estate

Telecom Tower REITs0.46%-0.30 ppMulti-Family Residential REITs0.24%-0.09 ppSelf-Storage REITs0.24%-0.05 ppIndustrial REITs0.35%+0.05 ppOffice REITs0.09%-0.05 ppRetail REITs0.32%-0.04 ppData Center REITs0.35%+0.03 ppHotel & Resort REITs0.14%-0.02 ppSingle-Family Residential REITs0.06%-0.02 ppReal Estate Services0.18%-0.01 ppTimber REITs0.07%-0.01 ppOther Specialized REITs0.06%+0.01 ppHealth Care REITs0.23%+0.00 pp

3 · Sub-industry

Inside Data Center REITs

Data Center REITs0.35%+0.034 pp
Concentrated

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

View all contributions →
Data Center REITs · weight
0.35%
Industry change · 12M
+0.03 pp
Data Center REITs · contribution
+0.034 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Equinix →
EQIX
United States$68.0bn0.227%+0.057 pp+0.023 pp+30.1%Yes
Digital Realty →
DLR
United States$36.6bn0.122%+0.046 pp+0.010 pp+27.5%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.