Which superinvestors and politicians own Merck & Co., Inc. (MRK)?

Merck & Co., Inc. (MRK) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in MRK. Across our datasets, 5 superinvestors hold MRK and 26 members of Congress have traded it.

Notable holders include Prem Watsa, Mairs & Power, and Matrix Asset Advisors. Active congressional traders include Ro Khanna, Michael McCaul, and Julie Johnson.