UHG is a very big market cap player.
UnitedHealth Group Incorporated is an American multinational managed healthcare and insurance company based in Minnetonka, Minnesota. It offers health care products and insurance services. UnitedHealth Group is the world's eighth-largest company by revenue and second-largest healthcare company behind CVS Health by revenue, and the largest insurance company by net premiums. UnitedHealthcare revenues comprise 80% of the Group's overall revenue