The folk tale itself is in the public domain; there are many copyrightable works by that same title, however.
Nobody owns the copyright of a single word. Perhaps you mean trademark.
Campbell Soup owns Prego
the coca cola company owns the copyright
A minor owns the copyright on any works they create.
Universal.
General Mills owns Progresso Soup along with Hamburger Helper, Fruit Roll Ups and Cheerios.
Word Music.
Paramount.
Rankin/Bass.
Rondor Music.
There are 24 different copyright-protected items by that name.
Campbell Soup