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 Discretionary47.4%+40.34 ppMaterials1.1%-1.02 ppUtilities1.9%-1.24 ppReal Estate1.9%-1.31 ppCommunication Services1.9%-1.52 ppEnergy2.7%-2.03 ppConsumer Staples4.8%-4.53 ppInformation Technology10.1%-5.91 ppHealth Care9.9%-6.82 ppIndustrials8.2%-7.41 ppFinancials9.9%-8.55 pp

2 · Industry

Inside Real Estate

Telecom Tower REITs0.42%-0.32 ppRetail REITs0.31%-0.19 ppData Center REITs0.19%-0.14 ppMulti-Family Residential REITs0.21%-0.13 ppHealth Care REITs0.19%-0.11 ppSelf-Storage REITs0.16%-0.10 ppIndustrial REITs0.12%-0.08 ppTimber REITs0.08%-0.08 ppOffice REITs0.11%-0.07 ppHotel & Resort REITs0.05%-0.04 ppReal Estate Services0.05%-0.03 ppOther Specialized REITs0.03%-0.02 ppSingle-Family Residential REITs0.00%+0.00 pp

3 · Sub-industry

Inside Office REITs

Office REITs0.11%-0.075 pp
Concentrated

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

View all contributions →
Office REITs · weight
0.11%
Industry change · 12M
-0.07 pp
Office REITs · contribution
-0.075 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Aug 2018 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
BXP, Inc. →
BXP
United States$20.1bn0.065%-0.049 pp-0.044 pp+6.8%No
Alexandria Real Estate Equities →
ARE
United States$13.6bn0.044%-0.034 pp-0.031 pp+0.4%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.