The ownership of the specific prop swords used in the movie Kill Bill is not publicly known or readily available information. Movie props, including iconic items like the Kill Bill sword, are typically owned by the film production company or stored in archives for future use in sequels, exhibitions, or promotional events.

In some cases, movie props are auctioned or sold to collectors or enthusiasts after a film's production or during charity events. However, the details of such transactions and the specific individuals or organizations that acquire these items may not always be publicly disclosed.