Insights

Clinical Stage Xilio is a clinical-stage biopharmaceutical company focused on cancer, leveraging masked immuno-oncology therapies to selectively activate in the tumor microenvironment, presenting a high-potential early-stage collaboration and licensing opportunity for oncology partners seeking differentiated I-O assets with potentially improved safety profiles.

Masked I-O Focus The company emphasizes clinically validated masking technology to achieve durable tumor-local activity and reduced systemic toxicity, suggesting compelling co-development or in-licensing prospects with mid-to-late-stage programs seeking safer I-O options.

Executive Appointments Recent hires and board changes, including a new chief legal officer and board additions, indicate active governance and strategic expansion, offering openings for enterprise partnerships, strategic financing discussions, and potential collaboration on IP and commercialization strategies.

Preclinical Pipeline Xilio is presenting preclinical data on masked T Cell Engager programs targeting CLDN18.2, signaling future collaboration opportunities in translational research, partner-led clinical development, or asset acquisition in early-stage oncology assets.

Financial Position With revenue estimated at tens of millions and a separate funding round, there is room for BD discussions around co-development funding, milestone-based partnerships, and potential strategic investments aligned with a focused oncology portfolio.

Similar companies to Xilio Therapeutics, Inc.

Xilio Therapeutics, Inc. Tech Stack

Xilio Therapeutics, Inc. uses 8 technology products and services including Amazon Web Services, Microsoft SharePoint, CookieYes, and more. Explore Xilio Therapeutics, Inc.'s tech stack below.

Media & News

Xilio Therapeutics, Inc.'s Email Address Formats

Xilio Therapeutics, Inc. uses at least 1 format(s):
Xilio Therapeutics, Inc. Email FormatsExamplePercentage
FLast@xiliotx.comJDoe@xiliotx.com
97%
LFirst@xiliotx.comDJohn@xiliotx.com
2%
FiLast@xiliotx.comJoDoe@xiliotx.com
1%

Frequently Asked Questions

What is Xilio Therapeutics, Inc.'s phone number?

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You can contact Xilio Therapeutics, Inc.'s main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Xilio Therapeutics, Inc.'s stock symbol?

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Xilio Therapeutics, Inc. is a publicly traded company; the company's stock symbol is XLO.

What is Xilio Therapeutics, Inc.'s official website and social media links?

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Xilio Therapeutics, Inc.'s official website is xiliotx.com and has social profiles on LinkedInCrunchbase.

How much revenue does Xilio Therapeutics, Inc. generate?

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As of August 2026, Xilio Therapeutics, Inc.'s annual revenue is estimated to be $50M - $100M.

What is Xilio Therapeutics, Inc.'s SIC code NAICS code?

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

How many employees does Xilio Therapeutics, Inc. have currently?

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As of August 2026, Xilio Therapeutics, Inc. has approximately 95 employees across 2 continents, including North AmericaEurope. Key team members include Chief Business Officer: U. B.Vice President Translational Sciences: J. O.Owner: J. G.. Explore Xilio Therapeutics, Inc.'s employee directory with LeadIQ.

What industry does Xilio Therapeutics, Inc. belong to?

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Xilio Therapeutics, Inc. operates in the Biotechnology Research industry.

What technology does Xilio Therapeutics, Inc. use?

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Xilio Therapeutics, Inc.'s tech stack includes Amazon Web ServicesMicrosoft SharePointCookieYesSAPNetSuiteGoogle CloudOffice 365Smartsheet.

What is Xilio Therapeutics, Inc.'s email format?

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Xilio Therapeutics, Inc.'s email format typically follows the pattern of FLast@xiliotx.com. Find more Xilio Therapeutics, Inc. email formats with LeadIQ.

How much funding has Xilio Therapeutics, Inc. raised to date?

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As of August 2026, Xilio Therapeutics, Inc. has raised $370M in funding. The last funding round occurred on Feb 11, 2026 for $50M.

When was Xilio Therapeutics, Inc. founded?

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Xilio Therapeutics, Inc. was founded in 2016.
Xilio Therapeutics, Inc. logo

Xilio Therapeutics, Inc.

Biotechnology ResearchMassachusetts, United States51-200 Employees

Xilio Therapeutics, Inc. is a clinical-stage biotechnology company based in Waltham, Massachusetts, focusing on cancer treatment. Its work centers on therapies that activate within the tumor environment, aiming to produce strong anti-tumor effects while reducing systemic toxicity. The company describes its approach as masking to control activity and selectively unleashing therapeutic action where it is needed, with a pipeline that includes engineered antibodies, cytokines, and chemokines as potential cancer treatments.
Xilio targets oncologic indications through immuno-oncology therapies designed to limit adverse experiences associated with broadly active agents. Its ongoing activities include presenting preclinical data and advancing programs in collaboration with the broader biopharma ecosystem, including participation in scientific forums and board-level governance changes. The organization operates in the biotechnology research sector and is positioned as a clinical-stage player developing tumor-focused therapies in a competitive field.

Section iconCompany Overview

Phone number
SIC Code
8731 - Commercial Physical and Biological Research
Stock Symbol
XLO
NAICS Code
541714 - Research and Development in Biotechnology (except Nanobiotechnology)
Founded
2016
Employees
51-200

Section iconFunding & Financials

  • $370M

    Xilio Therapeutics, Inc. has raised a total of $370M of funding over 8 rounds. Their latest funding round was raised on Feb 11, 2026 in the amount of $50Mas a post_ipo_equity.

  • $50M - $100M

    Xilio Therapeutics, Inc.'s revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $370M

    Xilio Therapeutics, Inc. has raised a total of $370M of funding over 8 rounds. Their latest funding round was raised on Feb 11, 2026 in the amount of $50Mas a post_ipo_equity.

  • $50M - $100M

    Xilio Therapeutics, Inc.'s revenue is estimated to be in the range of $50M - $100M

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