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Third Arc Bio, Inc.
Third Arc Bio, Inc. is a clinical-stage biotechnology company founded in 2022 and based in Ambler, Pennsylvania, dedicated to developing multifunctional antibodies optimized for best-in-class therapies.
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Third Arc Bio, Inc. at a glance
Third Arc Bio, Inc. is a biotechnology company headquartered in United States. Its most recent funding round, Series A, raised $52M in February 2026. Xcout tracks 15 named people at Third Arc Bio, Inc., including Peter F Lebowitz (Chief Executive Officer and Chief Medical Officer).
Third Arc Bio, Inc. leadership
- Peter F LebowitzChief Executive Officer and Chief Medical Officer
- Debi WatsonChief Business and Operations Officer
- Joe ErhardtChief Research and Development Officer
- Sanjaya SinghFounder and Chief Scientific Officer
- Michael StreitExecutive Vice President, Clinical Development
- Arvind SrivastavaSenior Vice President, Chemistry, Manufacturing, and Controls
9 more named people on record for Third Arc Bio, Inc., with roles, board committees and tenure — see the full roster →
Third Arc Bio, Inc. funding rounds
Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Series A | $52M | 13 named | |
| SEC Form D filing | $72.5M | — | |
| Series A | $165M | 13 named |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Investors
Third Arc Bio, Inc. competitors
A few of Third Arc Bio, Inc.'s closest competitors — see the full list of competitors and alternatives →
Trellis Bioscience, Inc. is a clinical-stage biotechnology company located in Redwood City, California, focused on developing antibody-based therapeutics.
Avammune Therapeutics is an R&D-driven drug discovery company headquartered in Philadelphia, Pennsylvania. The company focuses on developing novel, modality-agnostic immunotherapies and cancer therapies to address high unmet medical needs in hard-to-treat solid tumors.
Crossbow Therapeutics is a privately held biotechnology company founded in 2021 and headquartered in Cambridge, Massachusetts. The company develops potent antibody therapeutics aimed at expanding treatment options and combating cancer.
OmniAb, Inc. is an American biotechnology firm focused on pioneering therapeutic antibody discovery. The company provides a sophisticated platform that allows its industry partners to access a broad spectrum of antibody repertoires and advanced screening techniques, thereby facilitating the development of next-generation treatments. Central to the OmniAb platform is the unique biological capability of proprietary genetically engineered animals, such as OmniRat, OmniChicken, and OmniMouse. These animals are modified to produce human-sequence antibodies, simplifying the creation of human therapeutic candidates. Additionally, OmniAb offers specialized technologies like OmniFlic (a transgenic rat) and OmniClic (a transgenic chicken), which address the requirements for bispecific antibody applications via a common light chain method, as well as OmniTaur, which leverages the distinct structural properties of cow antibodies for challenging targets. The company was founded in 2012 and is based in Emeryville, California.
Amphivena Therapeutics, Inc. is a privately held, clinical-stage biotechnology company based in South San Francisco, California. The company specializes in immuno-oncology, developing a platform of dual-function biologics and selective T cell engagers for the treatment of hematological conditions.
HiFiBio Therapeutics is a clinical-stage immune modulation biotechnology company headquartered in Cambridge, Massachusetts. The company focuses on discovering and developing novel precision antibody therapeutics for immunology and oncology applications.
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More on Third Arc Bio, Inc. in Xcout Intel
- 15 named people with titles, LinkedIn and board committees
- 3 funding rounds with the investors in each, and who they co-invest with
- The full competitor set, tracking, exports and API access