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

Materials33.4%+3.81 ppIndustrials7.3%+0.36 ppFinancials8.1%+0.32 ppConsumer Staples5.3%-0.02 ppEnergy2.2%-0.17 ppUtilities2.1%-0.18 ppCommunication Services1.9%-0.26 ppReal Estate1.8%-0.32 ppConsumer Discretionary7.9%-0.56 ppHealth Care10.3%-1.48 ppInformation Technology19.7%-1.49 pp

2 · Industry

Inside Real Estate

Telecom Tower REITs0.30%-0.09 ppIndustrial REITs0.20%-0.09 ppMulti-Family Residential REITs0.15%-0.04 ppReal Estate Services0.11%-0.02 ppHotel & Resort REITs0.08%-0.02 ppHealth Care REITs0.18%+0.02 ppData Center REITs0.23%-0.02 ppSelf-Storage REITs0.15%-0.02 ppSingle-Family Residential REITs0.04%-0.01 ppTimber REITs0.04%-0.01 ppOffice REITs0.06%-0.01 ppRetail REITs0.23%-0.01 ppOther Specialized REITs0.05%+0.01 pp

3 · Sub-industry

Inside Office REITs

Office REITs0.06%-0.009 pp
Concentrated

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

View all contributions →
Office REITs · weight
0.06%
Industry change · 12M
-0.01 pp
Office REITs · contribution
-0.009 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 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$20.8bn0.040%-0.023 pp-0.009 pp+9.6%No
BXP, Inc. →
BXP
United States$9.5bn0.018%-0.011 pp-0.001 pp+32.9%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.