Actithera
PrivateLast Round
Series A
Jul 9, 2025
Total Funding Raised
$80.8M
Momentum
Top 5%
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
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Actithera Comparables
Compare Actithera with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| TwoStep Therapeutics | 88% | |
| RatioTX | 88% | |
| ARTBIO | 82% |
Actithera Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Jul 9, 2025 | ||||
| Seed | Jul 1, 2021 |
Key People
Founding team and executive leadership
Actithera Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Surveyor Capital | Series A |
| Innovestor | Series A |
| M Ventures | Seed, Series A |
| 4BIO Capital | Series A |
| Investinor | Series A |
| Bioqube Ventures | Series A |
| Citadel | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 24, 2026
Grew 17% QoQ, from 29 to 34 employees.
- Jul 28, 2026
Grew 18% QoQ, from 28 to 33 employees.
Recent news
Latest coverage and updates
- hiresSep 10, 2026
Actithera hired Steven Kelly as Chief Executive Officer on Sep 10th '26.
- hiresSep 10, 2026
Actithera hired Briggs Morrison as Chair of the Board on Sep 10th '26.
- hiresSep 10, 2026
Actithera hired John Crowley as independent director on Sep 10th '26.
Actithera Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Actithera's valuation, stock price, and market status.
Is Actithera a public or private company?
Actithera is a private company.
What is the current stock price of Actithera?
Actithera is a private company with no public stock price. No recent secondary market data is available.
How much is Actithera worth (valuation)?
Valuation information for Actithera is not publicly available.
Can I buy Actithera stock?
Actithera 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 Actithera's last funding round?
Actithera's most recent funding round was Series A on July 9, 2025.
Who are the main investors in Actithera?
Key investors in Actithera include M Ventures, 4Bio Capital, Sofinnova Partners, Hadean Ventures.
Will Actithera IPO soon?
No public IPO plans have been announced for Actithera.
How can I track Actithera secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Actithera's secondary market activity and sign up for updates.