Insights

Funding momentum TRexBio has recently secured significant funding, including an $84M Series B in Nov 2024 and a $50M extension in Jan 2026, indicating strong investor confidence and potential for strategic collaborations or licensing deals to accelerate clinical programs.

Clinical progression Lead program TRB-061 is in a Phase 1 trial for atopic dermatitis, with ongoing data presentations at dermatology-focused forums, signaling opportunities for partnerships with dermatology-focused pharma companies and contract research organizations seeking to co-develop or sponsor early-stage trials.

Strategic partnerships Historical collaboration with Eli Lilly and Company and a tissue-focused immunobiology platform position TRexBio as a compelling partner for alliances aimed at immune-mediated diseases, especially where TNFR2 agonism and tissue Treg biology are relevant.

Expansion leadership Recent additions to the executive team, including a Chief Medical Officer and Chief Financial Officer, reflect organizational scale-up and readiness for larger deals, strategic financing rounds, and accelerated go-to-market planning for clinical programs.

Tissue-focused portfolio TRexBio leverages a Deep Biology platform concentrating on human tissue Treg behavior, offering a differentiated mechanism of action for inflammatory diseases; this could appeal to biotech and pharma buyers seeking novel immunomodulatory targets and ecosystems for precision therapies.

Similar companies to TRexBio

TRexBio Tech Stack

TRexBio uses 8 technology products and services including Tableau, GitHub, Docker, and more. Explore TRexBio's tech stack below.

Media & News

TRexBio's Email Address Formats

TRexBio uses at least 4 email formats:
TRexBio Email FormatsExamplePercentage
FLast@trex.bioJDoe@trex.bio
84%
First@trex.bioJohn@trex.bio
12%
Last@trex.bioDoe@trex.bio
2%
FiLast@trex.bioJoDoe@trex.bio
2%

Frequently Asked Questions

What is TRexBio's official website and social media links?

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TRexBio's official website is www.trex.bio and has social profiles on LinkedIn and Crunchbase.

How much revenue does TRexBio generate?

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As of August 2026, TRexBio's annual revenue is estimated to be $25M - $50M.

What is TRexBio's SIC code and NAICS code?

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TRexBio's SIC code is 8731 - Commercial Physical and Biological Research and NAICS code is 541714 - Research and Development in Biotechnology (except Nanobiotechnology).

How many employees does TRexBio have currently?

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As of August 2026, TRexBio has approximately 62 employees across 2 continents, including North America and Oceania. Key team members include Chief Operating Officer: L. B., Vice President And Head Of Translational Medicine: M. T. and Associate Director, Clinical Operations: K. S. Explore TRexBio's employee directory with LeadIQ.

What industry does TRexBio belong to?

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TRexBio operates in the Biotechnology Research industry.

What technology does TRexBio use?

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TRexBio's tech stack includes Tableau, GitHub, Docker, WordPress, CookieYes, NetSuite, WP Engine and Box.

What is TRexBio's email format?

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TRexBio's email format typically follows the pattern of FLast@trex.bio. Find more TRexBio email formats with LeadIQ.

How much funding has TRexBio raised to date?

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As of August 2026, TRexBio has raised $219M in funding. The last funding round occurred on Jan 27, 2026 for $84M.

When was TRexBio founded?

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TRexBio was founded in 2018.
TRexBio logo

TRexBio

Biotechnology ResearchCalifornia, United States51-200 Employees

TRexBio is a clinical-stage biotechnology company focused on discovering and developing immunoregulatory medicines based on tissue regulatory T cell biology. It emphasizes human tissue biology and uses computational biology tools as part of its Deep Biology platform to map tissue Treg behavior to disease processes and identify therapeutic targets. Its lead program, TRB-061, is a TNFR2-selective agonist in a Phase 1 trial for atopic dermatitis, designed to activate and expand effector Tregs in tissue to restore immune balance in inflammatory diseases. TRexBio is headquartered in South San Francisco, California, and employs about 51 to 200 people. The company has pursued collaborations and financing rounds, including a 2023 multi-year research collaboration with Eli Lilly and a Series B financing in 2024 (including an oversubscribed round of $84 million), with a $50 million extension announced in 2026.

Section iconCompany Overview

SIC Code
8731 - Commercial Physical and Biological Research
NAICS Code
541714 - Research and Development in Biotechnology (except Nanobiotechnology)
Founded
2018
Employees
51-200

Section iconFunding & Financials

  • $219M

    TRexBio has raised a total of $219M of funding over 4 rounds. Their latest funding round was raised on Jan 27, 2026 in the amount of $84M as a Venture Round.

  • $25M - $50M

    TRexBio's revenue is estimated to be in the range of $25M - $50M

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