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

Consumer Discretionary11.6%+3.82 ppEnergy4.1%+1.64 ppHealth Care17.5%+1.01 ppConsumer Staples7.7%+0.70 ppUtilities3.4%+0.36 ppReal Estate3.1%-0.10 ppMaterials2.9%-0.29 ppIndustrials9.8%-0.41 ppCommunication Services3.3%-0.64 ppFinancials12.1%-2.06 ppInformation Technology24.5%-4.05 pp

2 · Industry

Inside Real Estate

Telecom Tower REITs0.65%-0.17 ppHotel & Resort REITs0.16%+0.12 ppData Center REITs0.29%-0.11 ppReal Estate Services0.20%+0.08 ppSingle-Family Residential REITs0.07%+0.07 ppHealth Care REITs0.20%-0.04 ppOffice REITs0.13%-0.04 ppMulti-Family Residential REITs0.29%-0.03 ppRetail REITs0.36%+0.03 ppTimber REITs0.08%-0.01 ppOther Specialized REITs0.05%+0.01 ppSelf-Storage REITs0.28%-0.01 ppIndustrial REITs0.36%+0.00 pp

3 · Sub-industry

Inside Office REITs

Office REITs0.13%-0.040 pp
Concentrated

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

View all contributions →
Office REITs · weight
0.13%
Industry change · 12M
-0.04 pp
Office REITs · contribution
-0.040 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 2022 · 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$23.8bn0.085%-0.008 pp-0.021 pp-26.8%No
BXP, Inc. →
BXP
United States$11.4bn0.040%-0.009 pp-0.019 pp-33.4%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.