PBMs ranked by market share: CVS Caremark is No. 1

PBMs ranked by market share: CVS Caremark is No. 1

Source: 
Beckers Hospital Review
snippet: 

Three companies dominate the pharmacy benefit manager market, accounting for 79 percent of all prescription claims in 2020, according to data from Health Industries Research Companies, an independent, non-partisan market research firm.

To assess market share, HIRC used self-reported data from 29 pharmacy benefit manager leaders collected in December 2020 and January 2021.