Third Rock Ventures

Third Rock Ventures

Boston, Massachusettsthirdrockventures.com

Overview

Third Rock Ventures is a venture capital firm focused on life sciences investing and launching companies that make a difference in people's lives . Collaborating with entrepreneurs, the Third Rock team applies its deep expertise to establish the roadmap and building blocks for a rapidly-growing and highly-successful life sciences company . The firm invests in companies operating in the healthcare, medicine, life sciences, drugs, devices and diagnostics, therapeutics, and information technology sectors .

Year Founded

2007

Portfolio Companies

37

Investments

CompanyDateStageLead
TerremotoApr 2026Series CCo-investor
Syremis TherapeuticsDec 2025Series ALead
Azalea Therapeutics, Inc.Nov 2025Series ALead
OdysseySep 2025Series DCo-investor
ARTBIOJul 2025Series BCo-investor

Key People

Robert Tepper

Co-Founder and Partner

Kevin Starr

Retired Founding Partner

Mark Levin

Retired Founding Partner

Barbara Weber

Venture Partner

David Moller

Venture Partner

Jesper Gromada

Venture Partner

Lioudmila Tchistiakova

Venture Partner

Mark A. Goldsmith

Venture Partner

Philip Reilly

Venture Partner

Richard Ransohoff

Venture Partner

Steven Paul

Venture Partner

Vyas Ramanan

Venture Partner

Walter Kowtoniuk

Venture Partner

Abbie Celniker

Partner

Alan Ezekowitz

Advisory Partner

Andrea van Elsas

Partner

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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FAQ

Firmographic Details

HeadquartersBoston, Massachusetts
Year Founded2007

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