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Actithera

Actithera

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

Last Round

Series A

Jul 9, 2025

Total Funding Raised

$80.8M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

Actithera is a biotechnology company that develops radiopharmaceutical and next-generation radioligand therapies for cancer treatment.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Precision Medicine, Clinical Trials

Business Model

B2B

Customer Profile

Services & Consulting

AI Layer

Non-AI

Keywords

radioligand therapyRLTradiopharmaceuticalsoncologyprecision medicinemedicinal chemistryFAP-targetingdrug discoverytargeted cancer therapycovalent-targetingbiotechsolid tumor treatmenttheranostics

Historical Pricing

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Caplight Momentum Score

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Actithera Comparables

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

Actithera comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
TwoStep Therapeutics
88%
RatioTX
88%
ARTBIO
82%

Actithera Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AJul 9, 2025
SeedJul 1, 2021

Key People

Founding team and executive leadership

Andreas Goutopoulos

CEO and Founder

Founding Team

Dimitrios Mantzilas

Chief Technology Officer And Site Head For Actithera Oslo

Executive Team

Actithera Investors

Notable investors and investment history

Actithera investors
InvestorRounds
Surveyor CapitalSeries A
InnovestorSeries A
M VenturesSeed, Series A
4BIO CapitalSeries A
InvestinorSeries A
Bioqube VenturesSeries A
CitadelSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 28, 2026

    Grew 18% QoQ, from 28 to 33 employees.

  • Jun 20, 2026

    Monthly visitors grew 127% MoM, reaching 1.5K.

Actithera Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Actithera Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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

Firmographic Details

HeadquartersCambridge, Massachusetts
Employee Range33
Year Founded2021
Last FundingJul 9, 2025

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