Top 30 Largest US BSL CLO Managers by Collateral AUM (as at September 30, 2025)
The table below lists the 30 largest US BSL CLO managers, ranked by their US CLO collateral AUM (as opposed to CLO liabilities), in USD billions as of September 30, 2025. Collateral AUM is used instead of CLO liabilities, as liability notionals would overstate the actual AUM.













