Blackstone Drives Deals: Of the 15 single-asset, single-borrower commercial mortgage-backed securities deals that came to market in October, seven were tied to private equity giant Blackstone Group acquisitions or refinancings. The latest is MED Trust 2021-MDLN, a $2.23 billion deal backing Blackstone’s upcoming acquisition of a 49-property portfolio of distribution centers from healthcare products distributor Medline Industries. In fact, Blackstone has accounted for half the $31.3 billion total volume of single-asset, single-borrower deals this year, according to CoStar data.