Carlyle Group Files for IPO Huge private equity company to open its books By Kevin Spak, Newser Staff Posted Sep 6, 2011 10:10 AM CDT 3 comments Comments Bruce Rosenblum, managing director, The Carlyle Group, right, testifies on Capitol Hill, July 31, 2007, before the Senate Finance Committee. (AP Photo/Gerald Herbert) (Newser) – The Carlyle Group is going public. The mammoth private equity company has filed paperwork with the SEC for what’s planned as a $100 million initial public offering, the Washington Post reports. The move will open its books to public scrutiny, shining a light on the array of 270 disparate businesses and properties it has a stake in. The group owns, for example, Nielsen Co., a truck transmission company, a Brazilian lingerie firm, Asian forests, and a string of Connecticut rest stops.