It was sold privately, as were others, one has engine/taxi runs from time to time.
But the last flying one, XH558, is in the hands of a dedicated team trying to get her flying again.
A difficult, complex, expensive task, with tons of bureaucracy to contend with, after all the Vulcan is a lot more complex than your average preserved warbird.
Here is these people's site, detailed and informative;
(I have absolutely no affiliation with this organisation, this is not a spam).
The Vulcan is a spectacular aircraft, once seen never forgotten.
In fact, I've really cut down on going to airshows since XH558 was grounded!
Photo © Paul Dopson
Photo © Gerhard Plomitzer
Photo © AirNikon