ACAS was a publicly traded private equity firm and global asset manager, which originated, underwrote and managed investments in middle-market private equity, leveraged finance and structured products. It (NASDAQ: ACAS) was acquired by Ares Capital (NASDAQ: ARCC) for $3.43 billion on January 3, 2017. The firm was founded in 1996 and was headquartered in Washington, District of Columbia.