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
-0.93 pp
Health Care Services · contribution
-0.930 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
CVS Health →
CVS
United States$82.3bn0.000%-0.449 pp-0.386 pp+16.1%No
Cigna →
CI
United States$63.7bn0.000%-0.407 pp-0.343 pp+1.7%No
Labcorp →
LH
United States$16.1bn0.000%-0.077 pp-0.075 pp+15.2%No
Quest Diagnostics →
DGX
United States$17.1bn0.000%-0.082 pp-0.073 pp+27.3%No
DaVita →
DVA
United States$10.7bn0.000%-0.055 pp-0.053 pp+46.0%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.