The recovering high-yield, high risk debt market has lost two managers at Black Rock, Inc, according to a report.

Mark Williams, who ran the company’s bank-loan investment team and was co-head of it leveraged finance business has been replaced, a May 8 filing with the U.S. Securities and Exchange Commission revealed, according to Bloomberg.

Kevin Booth, who co-led the firm’s high yield team and also co-ran its leveraged finance business has also departed, the report states.

Now running the High Yield Bond Portfolio are James Keenan, Mitchell Garfin and Derek Schoenhofen, the filing states.

The Senior Floating Rate fund is now being managed by Leland Hart and Adrian Marshall.

A BlackRock spokeswoman declined to comment, according to the report.