Coller Capital, a private equity secondary investor, is nearing the close of its inaugural fund dedicated to private debt secondary deals, joining a growing group of investors diving into the sector as increasing demand from LPs for liquidity drives an expansion in the market.

Coller’s debut credit secondaries fund, dubbed Coller Credit Opportunities I (CCO I), is expected to collect $1.4 billion in investor commitments, including co-investment capital, according to an announcement from the firm.

In another example of growing interest in private debt,¬†Apollo Global Management¬†last year launched a $1 billion credit secondaries business, which aims to capitalize on the continued growth of private credit and to address investors’ liquidity needs. The giant credit manager also said it is looking to raise a fund dedicated to “the burgeoning” second-hand private debt asset class.

Read more: Pitchbook