Warehoused

To store in a warehouse or similar.

To confine (a person) to an institution for a long period.

To acquire and then shelve, simply to prevent competitors from acquiring it.

"the warehousing of syndicated TV shows"

Having been placed or stored in a warehouse.

(by extension, of a person or group, usually critical) Having been placed in a warehouse-like environment, typically an institution lacking in purpose and stimulation.