healthcare realty trust inc on thursday confirmed that it received and rejected an unsolicited nonbinding acquisition proposal worth about 48 billion from an unidentified realestate investment trust the wall street journal earlier this week reported that welltower inc had made a 3175ashare bid and that healthcare realty had rebuffed it healthcare realty said its board reviewed the proposal with its independent financial and legal advisers and determined that it didnt constitute a superior proposal to its pending combination with healthcare trust of america inc healthcare realty said the unnamed suitor initially made its bid in late march and has twice reiterated it most recently after the journal article but that it still believes the merger with healthcare trust offers superior value and is in the best interests of its shareholders