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 Technology29.0%+4.54 ppConsumer Discretionary12.1%+0.51 ppIndustrials9.9%+0.06 ppMaterials2.9%-0.07 ppReal Estate2.8%-0.34 ppCommunication Services2.9%-0.37 ppUtilities2.9%-0.44 ppEnergy3.6%-0.51 ppConsumer Staples7.1%-0.55 ppFinancials11.0%-1.14 ppHealth Care15.8%-1.70 pp

2 · Industry

Inside Real Estate

Telecom Tower REITs0.50%-0.15 ppData Center REITs0.36%+0.08 ppSelf-Storage REITs0.22%-0.06 ppMulti-Family Residential REITs0.23%-0.06 ppIndustrial REITs0.32%-0.05 ppOffice REITs0.08%-0.04 ppRetail REITs0.32%-0.04 ppHealth Care REITs0.24%+0.04 ppReal Estate Services0.17%-0.03 ppHotel & Resort REITs0.14%-0.02 ppTimber REITs0.07%-0.01 ppSingle-Family Residential REITs0.06%-0.01 ppOther Specialized REITs0.06%+0.01 pp

3 · Sub-industry

Inside Data Center REITs

Data Center REITs0.36%+0.076 pp
Concentrated

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

View all contributions →
Data Center REITs · weight
0.36%
Industry change · 12M
+0.08 pp
Data Center REITs · contribution
+0.076 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Equinix →
EQIX
United States$68.5bn0.233%+0.068 pp+0.050 pp+31.3%Yes
Digital Realty →
DLR
United States$37.6bn0.128%+0.049 pp+0.026 pp+29.6%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.