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ARTBIO

ARTBIO

Private
Cambridge, MassachusettsHealthcare & Life Scienceshttps://artbio.com/

Last Round

Series B

Jul 29, 2025

Total Funding Raised

$245M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

ARTBIO is a biotechnology company that develops targeted alpha radioligand therapies for the treatment of cancer.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Clinical Trials, Precision Medicine, Drug Discovery

Business Model

B2B

Customer Profile

Services & Consulting

AI Layer

Non-AI

Keywords

alpha-radioligand therapyARTradiopharmaceuticalsPb-212targeted cancer therapyprostate cancer treatmentsolid tumor therapyisotope chemistryclinical-stage biotechradioisotope supply chaintheranosticsnuclear medicineCDMOtargeted alpha therapy

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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ARTBIO Comparables

Compare ARTBIO with similar companies based on industry and business-model similarity.

ARTBIO comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Aktis Oncology
88%
Ratio Therapeutics Inc.
88%
Eli Lilly and Company
81%

ARTBIO Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BJul 29, 2025
Series ADec 7, 2023
SeedJun 21, 2023

Key People

Founding team and executive leadership

Jonathan E. Freeman

Chief Executive Officer

Executive Team

ARTBIO Investors

Notable investors and investment history

ARTBIO investors
InvestorRounds
Omega FundsSeries B, Series A, Seed
B Capital GroupSeries B
F-Prime CapitalSeries A, Seed
Alexandria Venture InvestmentsSeries B
F-Prime CapitalSeries B, Series A, Seed
RadforskSeed
Sofinnova InvestmentsSeries B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 28, 2026

    Monthly visitors grew 110% MoM.

  • Jan 1, 2026

    Lead program AB001 is in first-in-human trials.

ARTBIO Filings

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ARTBIO filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about ARTBIO's valuation, stock price, and market status.

Is ARTBIO a public or private company?

ARTBIO is a private company.

What is the current stock price of ARTBIO?

ARTBIO is a private company with no public stock price. No recent secondary market data is available.

How much is ARTBIO worth (valuation)?

Valuation information for ARTBIO is not publicly available.

Can I buy ARTBIO stock?

ARTBIO shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was ARTBIO's last funding round?

ARTBIO's most recent funding round was Series B on July 29, 2025.

Who are the main investors in ARTBIO?

Key investors in ARTBIO include Omega Funds, B Capital Group, F-Prime Capital, Sofinnova Investments, Third Rock Ventures.

Will ARTBIO IPO soon?

No public IPO plans have been announced for ARTBIO.

How can I track ARTBIO secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor ARTBIO's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersCambridge, Massachusetts
Employee Range52
Year Founded2021
Last FundingJul 29, 2025

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