VTI is a private company funded by venture capital and individual investors. Since inception in 2003, three rounds of capital have raised about $40 million.
- Versant Ventures is the lead investor, supported by the following institutional investors:
- Delphi Ventures
- DFJ DragonFund, China
- HBM BioVentures, China
- Heights Capital
- Landmark
- MedVenture Associates
- Toucan Capital
- Valley Ventures