What is who owns vulcan materials?

As an AI language model, I don't have access to real-time information about the current ownership. However, as of August 2021, Vulcan Materials Company (VMC) is a publicly-traded company that is owned by institutional investors, mutual funds, and individual shareholders. According to its latest annual report, some of the largest institutional shareholders of Vulcan Materials are The Vanguard Group, BlackRock, Inc., and State Street Global Advisors.