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 Distributors›Health Care Distributors
Health Care Distributors · weight
0.00%
Industry change · 12M
-0.36 pp
Health Care Distributors · contribution
-0.360 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
McKesson Corporation →
MCK
United States$23.9bn0.000%-0.122 pp-0.129 pp+16.9%No
Cencora →
COR
United States$18.2bn0.000%-0.086 pp-0.096 pp+20.3%No
Cardinal Health →
CAH
United States$14.0bn0.000%-0.073 pp-0.082 pp+3.6%No
Henry Schein →
HSIC
United States$7.2bn0.000%-0.048 pp-0.052 pp-16.0%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.