Sep 5, 2025 1:52 PM Eastern Daylight Time KBRA Assigns Preliminary Ratings to Upstart Securitization Trust 2025-3 Share NEW YORK--(BUSINESS WIRE)--KBRA assigns preliminary ratings to four classes of notes issued by Upstart Securitization Trust 2025-3 ("UPST 2025-3†), a $320 million consumer loan ABS collateralized by unsecured consumer loans. The preliminary ratings reflect initial credit enhancement levels of 56.45% for the Class A notes, 43.50% for the Class B notes, 33.30% for the Class C notes and 20. ...