The firm has approximately $40 billion of assets under management and has made investments in over 190 companies since its inception as well as expanded into the European market with operations based in London.

Attanasio sold Crescent to the Trust Company of the West (later renamed TCW Group), an investment firm based in Los Angeles, in 1995.

After the sale of Crescent, Attanasio remained a senior partner and chief investment officer of the firm's leveraged finance and mezzanine capital group.

[4][5] In 2005, TCW/Crescent merged with Canterbury Mezzanine Capital to provide the firm a stronger presence on the East Coast.

In August 2020, the Canadian-based Sun Life Financial (SLF) began advanced talks to acquire the company.