1. A procedure whereby a company gradually builds up a holding of shares in a company it wishes to takeover in the future.
2. The process of storing goods within a storage facility.
Taobiz explains Warehousing
1. The acquiring company "warehouses" small lots of shares by holding them under the name of a nominee. Companies use the warehousing technique of share acquisition when they wish to remain anonymous or are unable to make a public tender offer.