Blackstone Mortgage Trust Inc is a real estate finance company primarily involved in the origination and purchase of senior loans collateralized by commercial properties in North America, Europe, and Australia. The vast majority of the company's asset portfolio is comprised of floating rate loans secured by priority mortgages. These mortgages are mainly derived from office, hotel, and manufactured housing properties. A significant percentage of the collateralized real estateproperties are located in New York, California, and the United Kingdom. Blackstone Mortgage Trust is managed by a subsidiary of The Blackstone Group and benefits from the market data provided by its parent company. Nearly all of BlackstoneMortgage Trust's revenue is generated in the form of interest income.