Some numbers here: https://www.kff.org/report-section/ehbs-2023-section-10-plan-funding/#:~:text=plan%20in%202023.-,SELF%2DFUNDED%20PLANS,61%25)%20%5BFigure%20

Some numbers here: https://www.kff.org/report-section/ehbs-2023-section-10-plan-funding/#:~:text=plan%20in%202023.-,SELF%2DFUNDED%20PLANS,61%25)%20%5BFigure%2010.2%5D. https://www.kff.org/report-section/ehbs-2023-section-10-plan... While everyone calls them "health insurers", the industry term is "managed care organizations" (MCOs), which sell a variety of services, which may or may not include healthcare, managed care, insurance, negotiated pricing, and even retail pharmacy services.