Wondering How to Make a Startup? Follow the 12 Biggest in the Business by InsiderMonkey.comAugust 22, 2013April 15, 202001196 No. 10: Gilt Groupe Funding date: 05/10/2011 Funding round: $138 million Valued at: $1 billion Investors: Softbank Group, Goldman Sachs 1 2 3 4 5 6 7 8 9 10 11 12 13