KBRA has provided initial ratings for 64 classes of mortgage pass-through notes issued by OBX 2026-INV1 Trust, which is a prime investor RMBS transaction totaling $346.3 million. The underlying collateral includes 883 residential mortgages, with the majority being 30-year fixed-rate mortgages. These mortgages are backed by investment properties (77.3%) and second homes (22.7%). The two primary originators of these mortgages are PennyMac Loan Services, LLC (45.6%) and Rocket Mortgage, LLC (22.6%).