As of 31 March 2026, total EU CLO collateral AUM stood at EUR 298.5 billion (USD 345 billion equivalent). The four largest managers are CVC Credit Partners, Blackstone, KKR, and Redding Ridge Asset Management, each managing over EUR 10 billion of EU CLO collateral AUM.
As of March 31, 2026, total US CLO collateral AUM stood at USD 1.21 trillion. The ten largest managers are Blackstone, Golub Capital, The Carlyle Group, Ares Management, CIFC Asset Management, Redding Ridge Asset Management, UBS Asset Management, BlackRock, Elmwood Asset Management, and Neuberger Berman.
The table below shows the 30 largest US CLO managers (BSL + MM), ranked by their US CLO assets under management (rather than CLO liabilities), in USD billions as of 31 December 2025.
The table below lists the 30 largest US BSL CLO managers, ranked by their US BSL CLO collateral AUM (rather than CLO liabilities), expressed in USD billions, together with their share of the USD 993.1 billion market as of December 31, 2025. Collateral AUM is used instead of CLO liabilities, as liability notionals would overstate the actual AUM.
The table below shows the full list of CLO managers, ranked by their global CLO collateral AUM in USD billions as at 31 December 2025. A number of large US CLO managers with no current EU CLO AUM are expected to issue EU CLO deals in 2026.
The table below presents the full ranking of US CLO managers by collateral AUM, together with a breakdown of their BSL and MM AUM, based on data as of December 31, 2025.
