How do you find out who owns a corporation?
Many states have a database run through their department of corporations or government websites. Search for the state you are in and the word "corporations".
this was written on the museum's website At met museum.org/visitor/Faq Who owns the works of art in the Museum? The Museum is a nonprofit corporation, and the governing body of the corporation holds the works of art in trust. Who owns the building? The City of New York owns the Museum building and the property on which it is located.