Retro Biosciences
PrivateLast Round
Series A
May 22, 2026
Est. Valuation
$1.8B
Total Funding Raised
$180M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Retro Biosciences operates in Healthcare & Life Sciences and is based in Redwood City, California. Its latest recorded funding round was a Series A round in May 2026.
Retro Biosciences is a biotechnology company that develops therapeutics targeting cellular reprogramming, autophagy, and plasma-inspired mechanisms to extend healthy human lifespan.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery, Medical AI
Business Model
B2B
Customer Profile
Services & Consulting, Data as a Service
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Retro Biosciences Comparables
Compare Retro Biosciences with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| NewLimit | 84% | |
| Altos Labs | 84% | |
| Rubedo Life Sciences | 82% |
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Retro Biosciences Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | May 22, 2026 | ||||
| Seed | Apr 6, 2022 |
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Key People
Founding team and executive leadership
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Retro Biosciences Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Gaingels | Series A |
| 4P Capital | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 11, 2026
Monthly visitors increased 45% MoM.
- Jul 5, 2026
Autophagy program RTR242 advances from Phase I to Phase II development.
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Recent news
Latest coverage and updates
- receives_financingOct 16, 2026
Retro Biosciences, Inc. receives more than $1.18B in cumulative funding, up from a $180 million seed round, at a $1.8B pre-money valuation.
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Retro Biosciences 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 Retro Biosciences's valuation, stock price, and market status.
Is Retro Biosciences a public or private company?
Retro Biosciences is a private company.
What is the current stock price of Retro Biosciences?
Retro Biosciences is a private company, so its shares have no public market price. Caplight tracks Retro Biosciences's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Retro Biosciences worth (valuation)?
Retro Biosciences's valuation is estimated at $1.8B based on funding round data.
Can I buy Retro Biosciences stock?
Retro Biosciences shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Retro Biosciences's last funding round?
Retro Biosciences's most recent funding round was Series A on May 22, 2026.
Who are the main investors in Retro Biosciences?
Key investors in Retro Biosciences include 4P Capital.
Will Retro Biosciences IPO soon?
No public IPO plans have been announced for Retro Biosciences.
How can I track Retro Biosciences secondary market activity?
Caplight tracks bids, offers, and trades in Retro Biosciences's shares on secondary markets.