Baker Brothers Investments is a financial organization. Nothing is publicly known about the organization other than this announcement
| Company | Date | Round | Size | Participants |
| Synageva | 10/09 | Series F | $12M | 5 |
| PharmAthene | 7/09 | Unattributed | $19.3M | 4 |
| Synageva | 4/09 | Series F | $30M | 2 |
| diaDexus | 2/09 | Series F | $9.2M | 3 |
| Presidio | 8/07 | Series B | $26M | 5 |