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Refeyn

Refeyn

Private
OxfordHealthcare & Life Scienceshttps://refeyn.com

Last Round

Series B

Apr 11, 2022

Total Funding Raised

$99.93M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Refeyn operates in Healthcare & Life Sciences and is based in Oxford. Its latest recorded funding round was a Series B round in April 2022.

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

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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Refeyn Comparables

Compare Refeyn with similar companies based on industry and business-model similarity.

Refeyn comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
NanoTemper Technologies
78%
Unchained Labs
76%
Nicoya Lifesciences Inc.
74%
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Refeyn Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BApr 11, 2022
Series ANov 1, 2020
SeedMar 4, 2019
SeedJun 26, 2018
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Key People

Founding team and executive leadership

Gerry Mackay

Chief Executive Officer

Executive Team

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Refeyn Investors

Notable investors and investment history

Refeyn investors
InvestorRounds
Foresight Group Holdings LimitedSeries B
Horizons VenturesSeries A, Series B
Oxford Science EnterprisesSeries A, Series B, Seed
Northpond VenturesSeries A, Series B
University of OxfordSeed, Series A, Series B
Foresight Group LLPSeries A, Series B
Foresight Williams TechnologySeries A, Seed
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Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 5, 2026

    Received Committed Status by the Inclusive Employers Standard in 2024.

  • Mar 18, 2026

    Launched the MyMass instrument for sample quality assessment.

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Refeyn Filings

Explore SEC and related filing metadata, where available.

Refeyn filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently 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, so its shares have no public market price. Caplight tracks Refeyn's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

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.

When was Refeyn's last funding round?

Refeyn's most recent funding round was Series B on April 11, 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 in Refeyn's shares on secondary markets.

Firmographic Details

HeadquartersOxford
Employee Range143
Year Founded2018
Last FundingApr 11, 2022

Institutional Data Access

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