Owlstone Inc.
PrivateLast Round
Grant
Oct 6, 2025
Total Funding Raised
$148.8M
Company Overview
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, IoT Hardware
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts, Services & Consulting
AI Layer
Non-AI
Keywords
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% | |
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 |
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.
Owlstone Inc. Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Owlstone Inc.'s valuation, stock price, and market status.