PBM market share is one piece of the prescription drug pricing puzzle. To understand the consumer impact, we also need to look at manufacturer prices, negotiated rebates, insurer costs and pharmacy reimbursement. This AMA analysis adds useful context.
ama-assn.org
AMA analysis: PBM market concentration continues to rise
Four largest PBMs held 75% of national market in 2024, while 94% of local PBM markets were highly concentrated.
