Insights

Clinical momentum Upstream Bio is a clinical-stage biotechnology company advancing verekitug, a monoclonal antibody targeting an upstream driver of inflammatory response, with recent Phase 2 data presentations and ongoing engagement at major respiratory conferences. This indicates ongoing clinical activity and opportunities to position partnerships or value demonstration materials to investors, pharma collaborators, and CROs involved in inflammatory disease programs.

Financial runway The company reports substantial funding and revenue figures, including a funding total of 701 million and revenue in the range of 25 to 50 million. This suggests a strong balance for continuing clinical development and potential collaboration discussions with larger biotech partners seeking late-stage or validation data to de-risk joint development or licensing deals.

Therapeutic focus verekitug targets the receptor for thymic stromal lymphopoietin (TSLP), a validated upstream driver of inflammation with potential applicability across multiple inflammatory diseases including severe asthma and chronic rhinosinusitis with nasal polyps. This broad mechanism presents cross-therapeutic sales opportunities with drug discovery partners, contract manufacturers of biologics, and diagnostic or companion diagnostic firms aligned with respiratory and inflammatory disease portfolios.

Industry exposure Regular participation in prominent conferences (ATS, AAAAI, EAACI, ERS) and investor events (Goldman Sachs Global Healthcare Conference) signals active visibility among customers, analysts, and potential collaborators. Leverage these touchpoints to arrange partner briefings, access to data packages, and targeted outreach to KOLs, payers, and biotech co-development opportunities.

Market positioning With a focus on severe respiratory disorders and a clinical-stage profile, Upstream Bio sits in a space with strong demand signals for novel anti-inflammatory therapies. Partnerships with larger pharma or specialty biotech players seeking differentiated upstream-acting mechanisms offer a clear path for licensing, co-development, or strategic collaboration alongside ongoing clinical validation.

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Upstream Bio Tech Stack

Upstream Bio uses 8 technology products and services including Squarespace, WordPress, Microsoft 365, and more. Explore Upstream Bio's tech stack below.

Media & News

Upstream Bio's Email Address Formats

Upstream Bio uses at least 1 email format:
Upstream Bio Email FormatsExamplePercentage
First.Last@upstreambio.comJohn.Doe@upstreambio.com
100%

Frequently Asked Questions

What is Upstream Bio's stock symbol?

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Upstream Bio is a publicly traded company; the company's stock symbol is UPB.

What is Upstream Bio's official website and social media links?

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Upstream Bio's official website is upstreambio.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does Upstream Bio generate?

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As of October 2026, Upstream Bio's annual revenue is estimated to be $1M - $10M.

What is Upstream Bio's SIC code and NAICS code?

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Upstream Bio'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 Upstream Bio have currently?

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As of October 2026, Upstream Bio has approximately 85 employees across 3 continents, including North America, Europe and South America. Key team members include Director, Clinical Operations: S. C., Senior Medical Director, Clinical Development: J. L. and Director, Clinical Operations Lead: J. M. Explore Upstream Bio's employee directory with LeadIQ.

What industry does Upstream Bio belong to?

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Upstream Bio operates in the Biotechnology Research industry.

What technology does Upstream Bio use?

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Upstream Bio's tech stack includes Squarespace, WordPress, Microsoft 365, Jamf Pro, Constant Contact, DocuSign, WP Engine and Smartsheet.

What is Upstream Bio's email format?

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Upstream Bio's email format typically follows the pattern of First.Last@upstreambio.com. Find more Upstream Bio email formats with LeadIQ.

How much funding has Upstream Bio raised to date?

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As of October 2026, Upstream Bio has raised $701M in funding. The last funding round occurred on Oct 10, 2024 for $200M.

When was Upstream Bio founded?

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Upstream Bio was founded in 2021.
Upstream Bio logo

Upstream Bio

Biotechnology ResearchMassachusetts, United States51-200 Employees

Upstream Bio is a mid-sized biotechnology research company based in Waltham, Massachusetts. It is advancing verekitug, a clinical-stage monoclonal antibody that targets the receptor for thymic stromal lymphopoietin, an upstream driver of inflammatory signaling. The company aims to improve treatment options for millions of patients living with severe inflammatory diseases, with an initial focus on severe respiratory disorders. Operating in the biotechnology sector, it seeks to address immune-mediated conditions through upstream modulation of inflammation. In June 2026, the company announced its participation in the Goldman Sachs Global Healthcare Conference, highlighting continued engagement with the scientific and investment communities.

Section iconCompany Overview

SIC Code
8731 - Commercial Physical and Biological Research
Stock Symbol
UPB
NAICS Code
541714 - Research and Development in Biotechnology (except Nanobiotechnology)
Founded
2021
Employees
51-200

Section iconFunding & Financials

  • $701M

    Upstream Bio has raised a total of $701M of funding over 5 rounds. Their latest funding round was raised on Oct 10, 2024 in the amount of $200M as a Series B.

  • $1M - $10M

    Upstream Bio's revenue is estimated to be in the range of $1M - $10M

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