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›Office REITs›Office REITs

1 · Sector

Weight and 12M allocation change

Information Technology29.3%+4.19 ppConsumer Discretionary12.5%+1.15 ppIndustrials10.5%+0.21 ppReal Estate2.8%-0.41 ppMaterials2.8%-0.42 ppCommunication Services2.8%-0.51 ppUtilities2.6%-0.62 ppEnergy3.1%-0.63 ppConsumer Staples6.6%-0.85 ppFinancials11.6%-1.05 ppHealth Care15.5%-1.06 pp

2 · Industry

Inside Real Estate

Telecom Tower REITs0.47%-0.15 ppMulti-Family Residential REITs0.21%-0.08 ppIndustrial REITs0.35%-0.05 ppData Center REITs0.37%+0.04 ppRetail REITs0.34%-0.04 ppOffice REITs0.09%-0.04 ppSelf-Storage REITs0.23%-0.03 ppHotel & Resort REITs0.13%-0.03 ppHealth Care REITs0.23%-0.02 ppOther Specialized REITs0.07%+0.01 ppReal Estate Services0.18%-0.01 ppTimber REITs0.07%-0.01 ppSingle-Family Residential REITs0.06%-0.01 pp

3 · Sub-industry

Inside Office REITs

Office REITs0.09%-0.036 pp
Concentrated

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

View all contributions →
Office REITs · weight
0.09%
Industry change · 12M
-0.04 pp
Office REITs · contribution
-0.036 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 2024 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Alexandria Real Estate Equities →
ARE
United States$21.8bn0.063%+0.003 pp-0.029 pp-13.0%Yes
BXP, Inc. →
BXP
United States$10.2bn0.029%+0.001 pp-0.007 pp+5.6%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.