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
-0.92 pp
Health Care Services · contribution
-0.919 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
CVS Health →
CVS
United States$85.7bn0.000%+0.000 pp-0.396 pp+29.2%No
Cigna →
CI
United States$72.8bn0.000%+0.000 pp-0.327 pp+33.3%No
Labcorp →
LH
United States$14.6bn0.000%+0.000 pp-0.080 pp+7.8%No
Quest Diagnostics →
DGX
United States$15.8bn0.000%+0.000 pp-0.075 pp+26.2%No
DaVita →
DVA
United States$9.9bn0.000%+0.000 pp-0.042 pp+86.5%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.