 NEW YORK--BUSINESS WIRE--Blackstone Mortgage Trust, Inc. NYSE:BXMT today reported its first quarter 2021 results. Stephen D. Plavin, Chief Executive Officer, said, BXMTs first quarter demonstrated the strong momentum we have established on both sides of the balance sheet. We closed 1.7 billion of high-quality new loans, growing our portfolio by nearly 700 million, and we continued to optimize and diversify our balance sheet, ideally positioning BXMT to capture the next wave of investmen 