 Enfusion Inc. ENFN, is set for its public debut Thursday, as the Chicago-based investment management software companys initial public offering priced overnight at 17 a share, at the top of the expected range of between 15 and 17 a share. The company sold 15.32 million Class A shares in the IPO to raise 260.5 million and selling shareholders sold 3.43 million shares to raise 58.3 million. 