 Titanic Quarter is part of the Dublin-based group, Harcourt Developments, which has held the development rights since 2003.The largest development is the £97 million "Titanic" Belfast visitor attraction which holds the record for the island's largest ever single concrete pour (4,300 cubic metres) for its foundations.The building opened on 31 March 2012 and attracted over 800,000 visitors in its first year.