Sequoia, Insight Back Startup Building Web Browser for Business

  • Company leaves stealth mode after raising about $100 million
  • Firm valued at about $500 million before sales, people said
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A startup building a secure web browser for businesses is coming out of stealth mode after raising about $100 million across two funding rounds from investors including Sequoia Capital and Insight Partners.

Led by Mike Fey, previously president at Symantec and general manager of McAfee, Dallas, Texas-based Island was most recently valued at roughly $500 million before it began generating sales, according to people familiar with the matter, who didn’t want to be identified because the figure isn’t public.