Owlstone Inc.
PrivateLast Round
Grant
Oct 6, 2025
Total Funding Raised
$148.8M
Company Overview
Owlstone Inc. operates in Frontier & Industrial Tech and is based in Cambridge. Its latest recorded funding round was an Early Funding round in March 2025.
Owlstone Inc. is a manufacturing company that develops, manufactures, and supplies advanced chemical detection solutions for security, defense, and industrial applications.
Sector
Frontier & Industrial Tech
Verticals
Sensors, Defense Tech, Environmental Monitoring
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts, Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Owlstone Inc. Comparables
Compare Owlstone Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| AIRSENSE Analytics | 84% | |
| IUT Technologies GmbH | 80% | |
| Proengin | 78% |
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Owlstone Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Oct 6, 2025 | ||||
| Early Funding | Mar 25, 2025 | ||||
| Series E | Jan 15, 2025 | ||||
| Strategic | Apr 25, 2024 | ||||
| Grant | Apr 25, 2024 | ||||
Series D | Sep 7, 2021 |
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Owlstone Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Horizons Ventures | Series E, Series B, Series D |
| Aviva Ventures | Series E, Corporate Funding, Series B |
| Gates Foundation | Strategic, Grant |
| Bill & Melinda Gates Foundation | Series E |
| Cystic Fibrosis Foundation | Early Funding |
| ARPA-H | Grant |
| Ventura Capital | Series E |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 3, 2025
Monthly visitors increased 54% MoM, from 1.3K to 2K.
- Mar 25, 2025
$2.3M raised with Cystic Fibrosis Foundation as an investor.
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Owlstone Inc. 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 Owlstone Inc.'s valuation, stock price, and market status.
Is Owlstone Inc. a public or private company?
Owlstone Inc. is a private company.
What is the current stock price of Owlstone Inc.?
Owlstone Inc. is a private company, so its shares have no public market price. Caplight tracks Owlstone Inc.'s secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Owlstone Inc. worth (valuation)?
Valuation information for Owlstone Inc. is not publicly available.
Can I buy Owlstone Inc. stock?
Owlstone Inc. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Owlstone Inc.'s last funding round?
Owlstone Inc.'s most recent funding round was Grant on October 6, 2025.
Who are the main investors in Owlstone Inc.?
Key investors in Owlstone Inc. include Horizons Ventures, Aviva Ventures, Ventura Capital.
Will Owlstone Inc. IPO soon?
No public IPO plans have been announced for Owlstone Inc..
How can I track Owlstone Inc. secondary market activity?
Caplight tracks bids, offers, and trades in Owlstone Inc.'s shares on secondary markets.