BloombergDropbox Files Confidentially for US IPOBloombergDropbox Inc., the file-sharing private company valued at $10 billion, has filed confidentially for a U.S. initial public offering, people familiar with the matter said. Goldman Sachs Group Inc. and JPMorgan Chase & Co. will lead the potential listing ...$10 billion Dropbox has filed the paperwork for an IPOBusiness InsiderDropbox Just Confidentially Filed To Go Public, Setting Up A Bellwether IPOForbesDropbox is finally, finally going publicRecodeReuters -CNBC -GeekWire -San Francisco Business Timesall 16 news articles »