Owlstone Medical
PrivateLast Round
Grant
Oct 6, 2025
Total Funding Raised
$151.85M
Company Overview
Owlstone Medical operates in Healthcare & Life Sciences and is based in Cambridge. Its latest recorded funding round was a Corporate Funding round in March 2025.
Owlstone Medical is a diagnostic equipment company that provides a Breath Biopsy platform for early disease detection and precision medicine.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Medical Devices, Clinical Trials, Precision Medicine, Sensors
Business Model
B2B
Customer Profile
Services & Consulting, Hardware Sales, Government Contracts, Hardware + Subscription
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Owlstone Medical Comparables
Compare Owlstone Medical with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Breathomix | 77% | |
| Menssana Research Inc. | 77% | |
| Breathe BioMedical | 77% |
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Owlstone Medical Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Oct 6, 2025 | ||||
| Corporate Funding | Mar 25, 2025 | ||||
| Series E | Jan 15, 2025 | ||||
| Corporate Funding | Apr 25, 2024 | ||||
| Grant | Apr 25, 2024 | ||||
Series D | Sep 7, 2021 |
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Key People
Founding team and executive leadership
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Owlstone Medical Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Horizons Ventures | Series E, Series D, Series C |
| Gates Family Foundation | Series E |
| Aviva Ventures | Series E, Series C, Series A |
| Gates Foundation | Series E, Corporate Funding |
| Aviva Ventures | Series A, Series E |
| Bill & Melinda Gates Foundation | Grant, Series E |
| Cystic Fibrosis Foundation | Corporate Funding |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Oct 7, 2025
POSEIDON program aims for low-cost cancer screening via breath biopsy, funded by ARPA-H grant.
- Oct 6, 2025
$49.1M grant received from ARPA-H.
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Recent news
Latest coverage and updates
- partners_withSep 24, 2026
Owlstone Medical Ltd partners with Welbeck Group to bring small intestinal bacterial overgrowth testing to patients in their homes, helping them receive the right treatment for gut health issues.
- receives_awardSep 24, 2026
Owlstone Medical Ltd and Welbeck Health Partners receive the Award for Collaboration, sponsored by AstraZeneca, for bringing small intestinal bacterial overgrowth testing to patients in their homes to help them get the right treatment for gut health issues.
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Owlstone Medical 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 Owlstone Medical's valuation, stock price, and market status.
Is Owlstone Medical a public or private company?
Owlstone Medical is a private company.
What is the current stock price of Owlstone Medical?
Owlstone Medical is a private company, so its shares have no public market price. Caplight tracks Owlstone Medical's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Owlstone Medical worth (valuation)?
Valuation information for Owlstone Medical is not publicly available.
Can I buy Owlstone Medical stock?
Owlstone Medical shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Owlstone Medical's last funding round?
Owlstone Medical's most recent funding round was Grant on October 6, 2025.
Who are the main investors in Owlstone Medical?
Key investors in Owlstone Medical include Horizons Ventures, Aviva Ventures, Gates Foundation, Cystic Fibrosis Foundation, Ventura Capital.
Will Owlstone Medical IPO soon?
No public IPO plans have been announced for Owlstone Medical.
How can I track Owlstone Medical secondary market activity?
Caplight tracks bids, offers, and trades in Owlstone Medical's shares on secondary markets.