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

Health Care17.6%+1.90 ppEnergy4.0%+1.62 ppInformation Technology26.9%+1.35 ppUtilities3.6%+0.53 ppConsumer Staples7.7%+0.52 ppReal Estate3.4%+0.27 ppMaterials3.5%-0.04 ppConsumer Discretionary6.7%-0.71 ppCommunication Services3.8%-0.73 ppFinancials12.8%-1.90 ppIndustrials10.0%-2.80 pp

2 · Industry

Inside Real Estate

Retail REITs0.39%+0.07 ppMulti-Family Residential REITs0.36%+0.07 ppSelf-Storage REITs0.30%+0.05 ppHealth Care REITs0.29%+0.03 ppTelecom Tower REITs0.85%+0.03 ppIndustrial REITs0.34%+0.03 ppData Center REITs0.37%-0.02 ppOther Specialized REITs0.06%+0.01 ppReal Estate Services0.10%-0.01 ppHotel & Resort REITs0.05%+0.01 ppTimber REITs0.11%+0.00 ppOffice REITs0.16%+0.00 ppSingle-Family Residential REITs0.00%+0.00 pp

3 · Sub-industry

Inside Office REITs

Office REITs0.16%+0.000 pp
Concentrated

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

View all contributions →
Office REITs · weight
0.16%
Industry change · 12M
+0.00 pp
Office REITs · contribution
+0.000 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 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$27.1bn0.098%-0.008 pp+0.003 pp-4.8%No
BXP, Inc. →
BXP
United States$17.4bn0.063%-0.004 pp-0.003 pp-2.2%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.