AI Proteins
PrivateLast Round
Series A
Nov 19, 2025
Total Funding Raised
$59.7M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
AI Proteins operates in Healthcare & Life Sciences and is based in Boston, Massachusetts. Its latest recorded funding round was a Series A round in November 2025.
AI Proteins is a biotechnology company that utilizes an artificial intelligence-based design and a high-throughput drug discovery platform to create synthetic miniproteins for a variety of therapeutic applications.
Sector
Healthcare & Life Sciences
Verticals
Drug Discovery, Biotechnology, Medical AI
Business Model
B2B
Customer Profile
Services & Consulting, Revenue Share
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
AI Proteins Comparables
Compare AI Proteins with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Nabla Bio | 91% | |
| Ordaos Bio | 89% | |
| Abiologics | 89% |
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AI Proteins Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Nov 19, 2025 | ||||
| Seed | Nov 3, 2022 |
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Key People
Founding team and executive leadership
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AI Proteins Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Santé Ventures | Series A |
| Mission BioCapital | Series A |
| Santé Ventures | Series A |
| Cobro Ventures | Series A, Seed |
| Tachyon Ventures | Seed |
| LightChain Capital | Series A, Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 20, 2026
Monthly visitors increased 78% MoM, reaching 7.7K.
- Nov 19, 2025
$42M round led by Mission BioCapital and Santé Ventures.
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Recent news
Latest coverage and updates
- partners_withOct 24, 2026
On Oct 24th '26, AI Proteins, Inc. partners with Astellas Pharma Inc under a Research Collaboration and License Agreement to discover and develop novel miniprotein-based therapeutics, with Astellas Pharma Inc holding an exclusive worldwide license to resulting candidates.
- is_developingOct 22, 2026
AI Proteins, Inc. plans to design and develop novel miniprotein-based therapeutics under a research collaboration and license agreement with Astellas, using its AI-driven platform; Astellas holds exclusive worldwide rights and assumes later development, regulatory, and commercialisation activities, with AI Proteins, Inc. eligible for over $400 million in upfront and milestone payments on Oct 24th '26.
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AI Proteins Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about AI Proteins's valuation, stock price, and market status.
Is AI Proteins a public or private company?
AI Proteins is a private company.
What is the current stock price of AI Proteins?
AI Proteins is a private company, so its shares have no public market price. Caplight tracks AI Proteins's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is AI Proteins worth (valuation)?
Valuation information for AI Proteins is not publicly available.
Can I buy AI Proteins stock?
AI Proteins shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was AI Proteins's last funding round?
AI Proteins's most recent funding round was Series A on November 19, 2025.
Who are the main investors in AI Proteins?
Key investors in AI Proteins include Santé Ventures, Mission BioCapital, Santé Ventures, Cobro Ventures, LightChain Capital.
Will AI Proteins IPO soon?
No public IPO plans have been announced for AI Proteins.
How can I track AI Proteins secondary market activity?
Caplight tracks bids, offers, and trades in AI Proteins's shares on secondary markets.