Two hedge funds made a mess in a corner of the credit market. So guess who’s the cleanup crew? More hedge funds.

Firms including BlueMountain Capital, Citadel, Apollo Global Management, Elliott Management, Anchorage Capital Partners, and CQS have been holed up in Manhattan conference rooms and on calls for months, trying to fix credit default swap contracts, people close to the situation say. The talks follow what many see as financial gamesmanship that broke the contracts.