CHICAGO--(BUSINESS WIRE)--Fitch Ratings has affirmed the class A notes issued by MCF CLO IV LLC (MCF CLO IV) at 'AAAsf'. The Rating Outlook remains Stable. KEY RATING DRIVERS The affirmation is based on the credit enhancement (CE) available to the notes and the stable performance of the underlying portfolio since the transaction's inception in November 2014. The loan portfolio par amount plus principal cash is approximately $402.6 million (excluding PIK and capitalized interest amounts), as of