Wondering How to Make a Startup? Follow the 12 Biggest in the Business by InsiderMonkey.comAugust 22, 2013April 15, 202001166 No. 7: Airbnb, Inc. Funding date: 07/25/2011 Funding round: $112 million Valued at: $1.3 billion (rumored to value over $3 billion) Investors: Andreessen Horowitz, Digital Sky Technologies, Jeff Bezos, General Catalyst Partners 1 2 3 4 5 6 7 8 9 10 11 12 13