Ownership of Murphy USA is heavily concentrated among major institutional asset management firms and large mutual fund organizations that hold substantial equity blocks on behalf of various portfolios and index funds. Prominent institutional investors holding significant stakes include global financial giants such as BlackRock, Inc., FMR LLC (Fidelity Investments), and various entities under the Vanguard Group umbrella. These institutional titans collectively control a vast majority of the outstanding common shares, exercising considerable influence during proxy votes and corporate governance matters while providing long-term capital stability for the publicly traded retail enterprise.