Third Rock Ventures

Third Rock Ventures Third Rock Ventures was founded in 2007 by Kevin Starr, Mark Levin, and Robert Tepper, all former executives at Millennium Pharmaceuticals. The firm has raised $3.8B in total, including a $1.1B Fund VI in 2022, and was ranked the #1 biotech VC by STAT for returns. The model is "Discover. Launch. Build. Transform.". Third Rock builds companies from scratch rather than simply investing in existing ones. Each fund targets the creation of roughly 10 new biotechs from the concept