The 12 closest competitors and alternatives to Third Arc Bio, Inc. among biotechnology companies — ranked by similarity to what Third Arc Bio, Inc. actually does, not by market-cap band.
Subscribe to see Third Arc Bio, Inc.’s full profile → the full roster, investors in every round, weekly hiring history and every corporate event
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.
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).
9 more named people on record for Third Arc Bio, Inc., with roles, board committees and tenure — see the full roster →
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 →
Ranked by semantic similarity — how close each company is to Third Arc Bio, Inc. by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Similar biotechnology company
Trellis Bioscience, Inc. is a clinical-stage biotechnology company located in Redwood City, California, focused on developing antibody-based therapeutics.
Similar biotechnology company
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.
Biotech
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.
Biotech
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.
Similar biotechnology company
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.
Biotech
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.
Similar biotechnology company
Alloy Therapeutics, Inc. is a biotechnology ecosystem company dedicated to democratizing access to antibodies, multispecifics, and genetic modalities, with offices in Waltham and Boston, Massachusetts.
Similar biotechnology company
Context Therapeutics Inc. is a biopharmaceutical company headquartered in Philadelphia, Pennsylvania. It is committed to advancing the treatment of solid tumors through the development of next-generation T cell engaging (TCE) bispecific antibodies.
Biotech
Numab Therapeutics is a Swiss biotechnology company developing multispecific antibody-based medicines that modulate immune-cell interactions. Its programs target serious diseases including cancer and immune-mediated or inflammatory disorders, serving patients through development and potential partnerships with pharmaceutical companies.
Similar biotechnology company
Imvax, Inc. is a clinical-stage biotechnology company headquartered in Philadelphia, Pennsylvania, focused on developing personalized, whole-cell immunotherapies for the treatment of various cancers.
Similar biotechnology company
Alchemab Therapeutics Ltd is a biotechnology company headquartered in London, England, focused on pioneering patient-centric antibody discovery and development.
Similar biotechnology company
Artax Biopharma, Inc. is a clinical-stage biotechnology company founded in 2013 and headquartered in Cambridge, Massachusetts. The company is focused on transforming the treatment of immune system diseases and recently raised $8 million ahead of a Phase 2a clinical trial.
Search any company we track to see its competitive set.
Paste a short paragraph describing a company or product — we'll find the most similar companies we track, scored 1–100.
Funding, investors, tech stack, hiring signals, leadership and corporate events — for Third Arc Bio, Inc.and every competitor above — in one live dashboard.
Subscribe to Xcout Intel →