| Website | firstround.com |
| Employees | |
| Founded | 11/04 |
First Round Capital is a venture capital firm that primarily makes early round investments. They look to play an active role in the operations of most the companies they invest in.
| Company | Date | Round | Size | Participants |
| Yapta | 6/09 | Series C | $2M | 5 |
| OpenX | 5/09 | Series C | $10M | 6 |
| DoubleVerify | 5/09 | Series A | $3.5M | 3 |
| Plastic Jungle | 5/09 | Series A | $4.5M | 4 |
| ScanScout | 4/09 | Series B | $8.1M | 4 |
| Knewton | 4/09 | Series B | $6M | 5 |
| Xobni | 3/09 | Series B | $3.2M | 8 |
| 33Across | 3/09 | Series B | $750k | 2 |
| Aster Data Systems | 2/09 | Series B | $17M | 5 |
| Yieldex | 2/09 | Series B | $8.5M | 4 |
| Get Satisfaction | 2/09 | Series B | $1.25M | 4 |
| PerformLine | 2/09 | Unattributed | 5 | |
| Jingle Networks | 2/09 | Series D | $7.5M | 6 |
| Xobni | 1/09 | Series B | $7M | 7 |
| Foodzie | 12/08 | Series A | $1M | 5 |
| Socialbomb | 12/08 | Seed | $240k | 2 |
| Transpera | 11/08 | Series B | $8.25M | 4 |
| Gnip | 11/08 | Series B | $3.5M | 3 |
| Outright | 11/08 | Seed | $2M | 3 |
| MoVoxx | 10/08 | Series A | 4 | |
| Gigya | 10/08 | Series C | $11M | 4 |
| Ambient Devices | 9/08 | Series C | 4 | |
| AppNexus | 9/08 | Series B | $8M | 4 |
| Demdex | 8/08 | Seed | $1.5M | 2 |
| myYearbook | 7/08 | Series B | $13M | 3 |
| GumGum | 7/08 | Series A | $1M | 1 |
| Mashery | 6/08 | Series C | $2M | 4 |
| Knewton | 5/08 | Series A | $2.5M | 9 |
| Pinch Media | 5/08 | Seed | 6 | |
| Gigya | 3/08 | Series B | $9.5M | 3 |
| Mint.com | 3/08 | Series B | $12M | 6 |
| Pikum | 3/08 | Series A | $5.27M | 2 |
| Gnip | 3/08 | Series A | $1.1M | 3 |
| Jingle Networks | 1/08 | Series C | $13M | 4 |
| OpenX | 1/08 | Series B | $15.5M | 5 |
| AppNexus | 12/07 | Series A | $2.5M | 5 |
| Invite Media | 12/07 | Seed | 1 | |
| Sendori | 11/07 | Series A | $800k | 3 |
| Yieldex | 10/07 | Seed | 3 | |
| WeatherBill | 10/07 | Series A | $12.6M | 6 |
| Mashery | 9/07 | Series A | 3 | |
| Mashery | 9/07 | Series B | 5 | |
| Get Satisfaction | 9/07 | Series A | $1.3M | 6 |
| VideoEgg | 9/07 | Series D | $15M | 5 |
| Bazaarvoice | 9/07 | Series B | $8.8M | 4 |
| Transpera | 7/07 | Series A | 3 | |
| Yapta | 7/07 | Series A | $2.3M | 2 |
| OpenX | 6/07 | Series A | $5M | 4 |
| Aster Data Systems | 5/07 | Series A | $5M | 3 |
| BigSwerve | 5/07 | Seed | 1 | |
| ScanScout | 4/07 | Angel | $2M | 1 |
| Mint.com | 4/07 | Series A | $4.7M | 6 |
| ScanScout | 3/07 | Series A | $7M | 3 |
| Pikum | 3/07 | Seed | $650k | 1 |
| Xobni | 3/07 | Series A | $4.26M | 6 |
| Gigya | 2/07 | Series A | $3M | 2 |
| RockYou | 1/07 | Series A | $1.5M | 3 |
| Attributor | 12/06 | Series B | $8M | 5 |
| Mint.com | 11/06 | Angel | $750k | 3 |
| Mint.com | 10/06 | Seed | $325k | 1 |
| Imeem | 10/06 | Seed | $750k | 5 |
| UGOBE | 10/06 | Series B | $8M | 2 |
| KidZui | 9/06 | Seed | $3M | 3 |
| VideoEgg | 9/06 | Series C | $12M | 3 |
| Snapvine | 7/06 | Series A | $2M | 3 |
| Aggregate Knowledge | 6/06 | Series A | $5M | 2 |
| Bazaarvoice | 5/06 | Series A | $4M | 3 |
| Attributor | 1/06 | Series A | $2M | 5 |
| VideoEgg | 1/06 | Series B | $3.5M | 3 |
| Jingle Networks | 12/05 | Series A | $5M | 3 |
| Aster Data Systems | 11/05 | Angel | $1M | 4 |
| Jingle Networks | 10/05 | Angel | $400k | 2 |
| VideoEgg | 4/05 | Series A | $400k | 2 |
| Aggregate Knowledge | Seed | $500k | 2 | |
| Ambient Devices | Series B | 4 | ||
| CE Interactive | Seed | 1 | ||
| CE Interactive | Series A | 4 | ||
| UGOBE | Series A | $2.75M | 3 |
