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 Services›Health Care Services
Health Care Services · weight
0.00%
Industry change · 12M
-0.95 pp
Health Care Services · contribution
-0.947 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Aug 2020 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
CVS Health →
CVS
United States$81.3bn0.000%-0.000 pp-0.430 pp+5.1%No
Cigna →
CI
United States$65.1bn0.000%-0.000 pp-0.316 pp+15.2%No
Labcorp →
LH
United States$14.7bn0.000%-0.000 pp-0.076 pp+4.9%No
Quest Diagnostics →
DGX
United States$14.9bn0.000%-0.000 pp-0.075 pp+11.1%No
DaVita →
DVA
United States$10.6bn0.000%-0.000 pp-0.049 pp+53.9%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.