Third Rock Ventures
Bio company-creation firm
VC
Sector Specialist
📍 Boston, MA
Founded 2007
AUM
$3.8B
as of 2026-Q1
SMALL
Third Rock Ventures was founded in 2007 in Boston. Bio-only firm with a company-creation model similar to Flagship's. Founded Agios, Alnylam, Bluebird Bio, and Editas Medicine.
Notable Partners
Robert TepperMark LevinCary Pfeffer
Notable Portfolio
alnylamagiossage-therapeutics
Investment Focus
Sectors
Bio · Therapeutics
VCBio SpecialistCompany-Creation
Investor data reflects publicly disclosed AUM, fund sizes, and portfolio holdings as of 2026-Q1. Refreshed periodically.