Blackstone Mortgage Trust, Inc., a real estate finance company, originates senior loans collateralized by commercial properties in North America, Europe, and Australia. The company originates and acquires senior, floating rate mortgage loans that are secured by a first-priority mortgage on commercial real estate assets. It operates as a real estate investment trust for federal income tax purposes. The company was formerly known as Capital Trust, Inc. and changed its name to Blackstone Mortgage Trust, Inc. in May 2013. Blackstone Mortgage Trust, Inc. was incorporated in 1998 and is headquartered in New York, New York.