| Announced Date | Round | Money Raised | Number of Investors | Lead Investors | Post Valuation | |
|---|---|---|---|---|---|---|
| Sep 28, 2017 | IPO | $219.35M | — | — | — | Detail |
| Nov 9, 2015 | Series H | $45.50M | 9 | News Corp | — | Detail |
| Nov 1, 2015 | Secondary Market | — | 1 | — | — | Detail |
| Oct 1, 2014 | Series G | $25M | 2 | Fidelity | — | Detail |
| Jul 10, 2013 | Secondary Market | — | 1 | — | — | Detail |
| May 6, 2013 | Series F | $60M | 4 | Fidelity | — | Detail |
| Jul 25, 2012 | Series E | $45M | 5 | News Corp | — | Detail |
| Aug 1, 2011 | Series D | $8.75M | 2 | Globespan Capital Partners | — | Detail |
| May 15, 2009 | Series C | $5M | 1 | Menlo Ventures | — | Detail |
| Sep 19, 2008 | Series C | $5M | 1 | Menlo Ventures | — | Detail |
| Feb 4, 2008 | Series B | $6M | 2 | Menlo Ventures | — | Detail |
| Feb 1, 2008 | Series A | $8.35M | 1 | Anthony Wood | — | Detail |