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›Health Care›Health Care Facilities›Health Care Facilities

1 · Sector

Weight and 12M allocation change

Materials29.2%+26.88 ppEnergy2.3%-0.54 ppCommunication Services2.2%-0.64 ppUtilities2.1%-0.78 ppReal Estate1.6%-0.97 ppIndustrials7.6%-2.18 ppConsumer Staples4.9%-2.47 ppConsumer Discretionary8.4%-3.06 ppFinancials7.9%-4.65 ppHealth Care8.0%-4.97 ppInformation Technology25.9%-6.63 pp

2 · Industry

Inside Health Care

Health Care Equipment1.41%-1.27 ppPharmaceuticals3.06%-1.12 ppManaged Health Care0.51%-1.01 ppBiotechnology1.45%-0.69 ppLife Sciences Tools & Services0.65%-0.44 ppHealth Care Services0.31%-0.22 ppHealth Care Distributors0.33%-0.10 ppHealth Care Facilities0.15%-0.05 ppHealth Care Supplies0.06%-0.04 ppHealth Care Technology0.02%-0.01 pp

3 · Sub-industry

Inside Health Care Facilities

Health Care Facilities0.15%-0.050 pp
Concentrated

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

View all contributions →
Health Care Facilities · weight
0.15%
Industry change · 12M
-0.05 pp
Health Care Facilities · contribution
-0.050 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 2026 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
HCA Healthcare →
HCA
United States$105.8bn0.154%-0.055 pp-0.050 pp+37.9%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.