Third Rock Ventures

Venture Capital Active San Francisco, United States Est. 2007
Last updated 2026-06-18
Portfolio
0
in our dataset
Rounds participated
0
Rounds led
0
Rounds' value
total disclosed, rounds participated
Stages
Seed, Pre-Seed

About

Third Rock Ventures is a healthcare-focused venture capital firm that specializes in the ideation, formation, and early-stage development of life sciences and biotechnology companies. Operating primarily within the therapeutics, medical devices, and diagnostics sectors, the firm employs a venture creation model where its investment professionals actively collaborate with academic and scientific visionaries to discover and vet emerging technologies. Unlike traditional investment firms that back existing corporate entities, the firm takes a hands-on operational role during the initial development phases. Its investment team regularly serves as members of the founding management teams to establish organizational culture, design early research and development strategies, and provide initial capital. Once a company reaches operational milestones, the firm transitions its personnel into governance and board advisory roles, frequently arranging strategic alliances and supplying capital injections to advance clinical-stage therapies.

Portfolio

No portfolio companies in this dataset yet.

Q&A

What is Third Rock Ventures' investment focus?
Third Rock Ventures is a healthcare-focused venture capital firm specializing in the ideation, formation, and early-stage development of life sciences and biotechnology companies, primarily in therapeutics, medical devices, and diagnostics.
When was Third Rock Ventures founded?
Third Rock Ventures was founded in 2007.
Can you describe Third Rock Ventures' investment model?
Third Rock Ventures employs a venture creation model, actively collaborating with academic and scientific visionaries. They take a hands-on operational role during initial development, with investment team members often serving as founding management, establishing culture, designing R&D strategies, and providing initial capital.
What is a recent investment made by Third Rock Ventures?
In December 2025, Third Rock Ventures led a $165 million Series A round for Syremis Therapeutics, a company focused on novel therapies for neuropsychiatric conditions.
Which investment stages does Third Rock Ventures focus on?
Third Rock Ventures focuses on Seed and Pre-Seed investment stages.
Who are the co-founders of Third Rock Ventures?
The co-founders of Third Rock Ventures include Robert Tepper, Kevin Starr, and Mark Levin.
What is the most notable portfolio company for Third Rock Ventures?
One notable portfolio company for Third Rock Ventures is Syremis Therapeutics, which secured a $165 million Series A round in December 2025.
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