| Announced Date | Round | Money Raised | Number of Investors | Lead Investors | Post Valuation | |
|---|---|---|---|---|---|---|
| Nov 9, 2014 | Series E | $20M | 2 | Kortschak Investments L.P. , Nikkei | — | Detail |
| Dec 1, 2013 | Series Unknown | — | 3 | — | — | Detail |
| Nov 30, 2012 | Secondary Market | $85M | 4 | m8 Capital | — | Detail |
| May 3, 2012 | Series D | $70M | 10 | CBC Capital , Meritech Capital Partners | — | Detail |
| Jul 13, 2011 | Series Unknown | $50M | 2 | Sequoia Capital | — | Detail |
| Oct 19, 2010 | Series C | $20M | 1 | Sequoia Capital | — | Detail |
| Nov 15, 2009 | Series B | $10M | 4 | Morgenthaler Ventures , Sequoia Capital | — | Detail |
| Sep 9, 2009 | Series A | $26M | 2 | DoCoMo Capital | — | Detail |
| Sep 1, 2007 | Angel | $3M | — | — | — | Detail |
| Mar 1, 2006 | Angel | $6M | 1 | — | — | Detail |