Fortitude Biomedicines
PrivateLast Round
Seed
Jan 26, 2026
Total Funding Raised
$13M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Fortitude Biomedicines operates in Healthcare & Life Sciences and is based in Waltham, Massachusetts. Its latest recorded funding round was a Seed round in January 2026.
Fortitude Biomedicines is a biotechnology company that develops antibody-based biotherapeutics, including antibody-drug conjugates, for the treatment of oncology and autoimmune diseases.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Fortitude Biomedicines Comparables
Compare Fortitude Biomedicines with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Breakthru Medicine | 82% | |
| PROTIER Biotech Inc. | 79% | |
| Johnson & Johnson | 79% |
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Fortitude Biomedicines Funding Rounds
Historical fundraising activity
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Key People
Founding team and executive leadership
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Fortitude Biomedicines Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Taihill Venture | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Nov 2, 2026
Open roles increased to 4, 33% of headcount.
- May 27, 2026
Grew 71% QoQ from 7 to 12 employees.
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Recent news
Latest coverage and updates
- attends_eventOct 13, 2026
Fortitudebio announces an oral presentation of FTB-918 for the treatment of axial spondyloarthritis at ACR Convergence 2026.
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Fortitude Biomedicines 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.
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Frequently Asked Questions
Common questions about Fortitude Biomedicines's valuation, stock price, and market status.
Is Fortitude Biomedicines a public or private company?
Fortitude Biomedicines is a private company.
What is the current stock price of Fortitude Biomedicines?
Fortitude Biomedicines is a private company, so its shares have no public market price. Caplight tracks Fortitude Biomedicines's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Fortitude Biomedicines worth (valuation)?
Valuation information for Fortitude Biomedicines is not publicly available.
Can I buy Fortitude Biomedicines stock?
Fortitude Biomedicines shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Fortitude Biomedicines's last funding round?
Fortitude Biomedicines's most recent funding round was Seed on January 26, 2026.
Who are the main investors in Fortitude Biomedicines?
Key investors in Fortitude Biomedicines include Taihill Venture.
Will Fortitude Biomedicines IPO soon?
No public IPO plans have been announced for Fortitude Biomedicines.
How can I track Fortitude Biomedicines secondary market activity?
Caplight tracks bids, offers, and trades in Fortitude Biomedicines's shares on secondary markets.