Orbitz Looking to go Public Orbitz Worldwide, a subsidiary of Travelport Limited, is planning an IPO. The travel booking and planning site is expecting the IPO to take place in the third quarter of 2007. A registration statement relating to the shares of Orbitz Worldwide common stock has been filed with the Securities and Exchange Commission, but is not yet effective. The book runners of the initial public offering are Morgan Stanely & Co. Incorporated, Goldman, Sachs & Co., Lehman Brothers Inc. and J.P. Morgan Securities Inc. Travelport, owned by The Blackstone Group of New Yor, Technology Crossover Ventures and One Equity Partners of New York, made $2.6 billion in revenue last year.