Refeyn
PrivateLast Round
Series B
Apr 11, 2022
Total Funding Raised
$99.93M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Refeyn is a life sciences instrumentation company that develops, produces, and distributes mass photometry technology for the analysis of individual molecules in solution.
Sector
Healthcare & Life Sciences
Verticals
Biotech Equipment, Biotechnology, Drug Discovery
Business Model
B2B
Customer Profile
Hardware Sales, Data as a Service
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Refeyn Comparables
Compare Refeyn with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| NanoTemper Technologies | 78% | |
| Unchained Labs | 76% | |
| Nicoya Lifesciences Inc. | 74% |
Refeyn Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Apr 11, 2022 | ||||
| Series A | Nov 1, 2020 | ||||
| Seed | Mar 4, 2019 | ||||
| Seed | Jun 26, 2018 |
Refeyn Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Foresight Group Holdings Limited | Series B |
| Horizons Ventures | Series A, Series B |
| Oxford Science Enterprises | Series A, Series B, Seed |
| Northpond Ventures | Series A, Series B |
| University of Oxford | Seed, Series A, Series B |
| Foresight Group LLP | Series A, Series B |
| Foresight Williams Technology | Series A, Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 18, 2026
Launched the MyMass instrument for sample quality assessment.
- Nov 5, 2025
Company has grown to over 170 employees.
Refeyn 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 Refeyn's valuation, stock price, and market status.
Is Refeyn a public or private company?
Refeyn is a private company.
What is the current stock price of Refeyn?
Refeyn is a private company with no public stock price. No recent secondary market data is available.
How much is Refeyn worth (valuation)?
Valuation information for Refeyn is not publicly available.
Can I buy Refeyn stock?
Refeyn 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 Refeyn's last funding round?
Refeyn's most recent funding round was Series B on April 1, 2022.
Who are the main investors in Refeyn?
Key investors in Refeyn include Oxford Science Enterprises, Northpond Ventures, Foresight Williams Technology.
Will Refeyn IPO soon?
No public IPO plans have been announced for Refeyn.
How can I track Refeyn secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Refeyn's secondary market activity and sign up for updates.