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 Discretionary11.3%+4.18 ppEnergy3.7%+0.58 ppIndustrials10.3%+0.07 ppUtilities3.2%+0.05 ppMaterials3.2%+0.02 ppReal Estate3.2%+0.00 ppHealth Care16.6%-0.02 ppConsumer Staples7.5%-0.07 ppCommunication Services3.3%-0.59 ppFinancials12.6%-0.72 ppInformation Technology25.1%-3.51 pp

2 · Industry

Inside Real Estate

Hotel & Resort REITs0.16%+0.12 ppTelecom Tower REITs0.62%-0.10 ppReal Estate Services0.19%+0.08 ppSingle-Family Residential REITs0.07%+0.07 ppOffice REITs0.13%-0.04 ppSelf-Storage REITs0.26%-0.04 ppMulti-Family Residential REITs0.29%-0.03 ppIndustrial REITs0.40%+0.03 ppData Center REITs0.33%-0.03 ppTimber REITs0.08%-0.02 ppHealth Care REITs0.24%-0.02 ppRetail REITs0.38%-0.01 ppOther Specialized REITs0.05%+0.00 pp

3 · Sub-industry

Inside Office REITs

Office REITs0.13%-0.044 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
-0.044 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
BXP, Inc. →
BXP
United States$10.3bn0.036%-0.002 pp-0.030 pp-43.9%No
Alexandria Real Estate Equities →
ARE
United States$25.9bn0.091%+0.004 pp-0.014 pp-18.4%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.