| Employees | |
| Founded | 1/11 |
| Description | Investment fund. |
Start Fund, created in January 2011, is a joint venture between Yuri Milner and SV Angel. The fund was created to invest in Y Combinator startups and made its first set of investments in January 2011.
| Company | Date | Round | Size | Participants |
| Kamcord | 12/12 | Seed | $1.5M | 20 |
| ZenPayroll | 12/12 | Seed | $6.1M | 19 |
| SmartThings | 12/12 | Seed | $3M | 22 |
| Submittable | 11/12 | Venture Round | $750k | 6 |
| Perfect Audience | 10/12 | Seed | $1.1M | 10 |
| ClassDojo | 8/12 | Seed | $1.6M | 10 |
| Flutter | 6/12 | Seed | $1.4M | 4 |
| viaCycle | 6/12 | Seed | 2 | |
| Clever | 6/12 | Seed | 2 | |
| Priceonomics | 5/12 | Seed | $1.5M | 29 |
| LendUp | 4/12 | Seed | 1 | |
| MindSumo | 3/12 | Seed | $1M | 5 |
| Scan | 2/12 | Seed | $1.7M | 12 |
| DoubleRecall | 2/12 | Seed | $1.6M | 6 |
| GoCardless | 2/12 | Venture Round | $1.5M | 6 |
| Verbling | 1/12 | Angel | $1M | 8 |
| Ridejoy | 1/12 | Seed | $1.3M | 7 |
| Science Exchange | 12/11 | Angel | $1.5M | 12 |
| 42Floors | 12/11 | Seed | $400k | 3 |
| MinoMonsters | 11/11 | Seed | $1M | 9 |
| Comprehend Systems | 11/11 | Seed | $1.2M | 11 |
| Kicksend | 11/11 | Seed | $1.8M | 8 |
| ZeroCater | 8/11 | Venture Round | $1.5M | 14 |
| Parse | 8/11 | Angel | $1.5M | 13 |
| drchrono | 7/11 | Seed | $675k | 6 |
| MemSQL | 7/11 | Seed | $2.1M | 15 |
| MongoHQ | 6/11 | Venture Round | $417k | 4 |
| Earbits | 6/11 | Seed | $605k | 6 |
| BakedCode | 6/11 | Seed | $168k | 2 |
| SellStage | 6/11 | Seed | 3 | |
| Inporia | 5/11 | Seed | $1.25M | 10 |
| Grubwithus | 5/11 | Angel | $1.6M | 15 |
| YouGotListings | 3/11 | Seed | $150k | 2 |
| SwipeGood | 2/11 | Venture Round | $500k | 5 |
| MinoMonsters | 2/11 | Seed | $150k | 1 |
| Noteleaf | 1/11 | Seed | 3 | |
| Taskforce | 1/11 | Venture Round | 2 | |
| FiveStars Loyalty | 1/11 | Seed | $150k | 2 |