About Leafy Tunnel
Leafy Tunnel is a venture capital firm located in London, United Kingdom. As of Jan 2024, Leafy Tunnel has invested in 8 companies. It primarily invests in Seed round in United States based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to HealthTech and Life Sciences. Most recently it participated in the $***** Seed round of Ceretype Overall, Leafy Tunnel portfolio has seen 1 acquisition, namely iuvo Therapeutics. A lot of funds co-invest with Leafy Tunnel, with names like Integrated sharing a substantial percentage of its portfolio. Leafy Tunnel has team of 3 people including 2 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed & Series B
Portfolio Acquisitions
Portfolio Soonicorns
Leafy Tunnel's List of Top Investments
Leafy Tunnel has a portfolio of 8 companies. Their most notable investments are in Tetra Pharm and Maya.Their portfolio spans across United Kingdom, United States, Denmark and 1 more locations. They have invested in Enterprise Applications, HealthTech, Life Sciences and 2 other sectors, across stages such as Seed, Series B stages. Here is the list of top investments by Leafy Tunnel:
Developer of rapid-acting psychedelic medicines for mental health disorders. The firm targets neurological and psychiatric conditions with short-duration psychedelics, aiming for scalable treatments that allow quick patient discharge, often within two hours.
Key facts about Beckley Psytech
- Founded Year: 2019
- Location: Oxford (United Kingdom)
- Valuation: $*****
- Stage: Series B
- Total Funding till date: $153M
- Employee Count: 65 as on Oct 11, 2025
- Investors: Adage Capital Management, Seven Hound Ventures and 27 Others
- Latest Funding Round: Series B, Jan 04, 2024, $*****
- Highlight: Editors' Pick
2. Maya
Provider of AI automation systems for healthcare and financial sectors. The company delivers solutions for psychiatric research, life sciences, concierge medicine, and payments. It offers automations for customer support, churn prediction, talent recruitment, and sales pipeline management. The company focuses on data security, compliance, and ethical AI development. It provides implementation, integration, optimization, and support services.
Key facts about Maya
- Founded Year: 2019
- Location: Denver (United States)
- Stage: Seed
- Total Funding till date: $6.4M
- Employee Count: 10 as on May 31, 2026
- Investors: Innovating Capital, Explorer Equity Group and 15 Others
- Latest Funding Round: Seed, Dec 17, 2021, $*****
- Highlight: Editors' Pick
3. Ceretype
Provider of brain circuit profiles and actionable brain biomarker solutions. The company offers a platform for functional brain mapping at the individual level. It delivers metrics to assess brain function for applications such as circuit activity analysis. The platform integrates imaging data with trial data, including behavioral interviews and electrophysiology. It develops metrics and reports that convey states of brain health.
Key facts about Ceretype
- Founded Year: 2020
- Location: Cambridge (United States)
- Stage: Seed
- Total Funding till date: $3.38M
- Employee Count: 5 as on Jul 31, 2026
- Investors: WPSS.bio, Catalytic Impact Foundation and 5 Others
- Latest Funding Round: Grant (prize money), Apr 03, 2025, $*****
- Highlight: Editors' Pick
4. Prohibition
Provider of solutions for cannabis-based industries. The company provides services in bespoke research, polling, consumer insights, and market forecasting, market analysis, regulatory guidance, supply & demand, and networking. It provides strategic solutions to international investors, operators, blue-chip companies, FMCG brands and government bodies.
Key facts about Prohibition
- Founded Year: 2019
- Location: United Kingdom
- Valuation: $*****
- Stage: Series A
- Total Funding till date: $13.5M
- Employee Count: 7 as on Dec 31, 2020
- Investors: Altitude Investment Management, GROWNEXOTICSCANNABIS and 12 Others
- Latest Funding Round: Series A, Feb 10, 2022, $*****
Key facts about Prohibition Partners
- Founded Year: 2017
- Location: London (United Kingdom)
- Valuation: $*****
- Stage: Series A
- Employee Count: 19 as on Jul 31, 2026
- Investors: ENEXIS, Leafy Tunnel and 1 Other
- Latest Funding Round: Series A, 2022, $*****
Leafy Tunnel's Year-on-Year Investment Trends
Leafy Tunnel has invested in 8 companies over the last 5 years, with an average of 1 new investment annually in the last 5 years. Its most recent first time investment was in Ceretype.Leafy Tunnel's Investments by Stage
Leafy Tunnel has made 3 investments in Seed stage with an average round size of $2.85M and 1 investment in Series B stage with an average round size of $80M.Stage of entry | No. of Investments |
|---|---|
Seed | 3 |
Series B | 1 |
Note: We have considered here, only first round of investments
Leafy Tunnel's Investments by Sector
Leafy Tunnel has a diverse portfolio, with companies operating in the Enterprise Applications, HealthTech, Life Sciences, Vertical SaaS and Consumer. Notably, it has invested in 6 Enterprise (B2B) companies, 5 Tech companies, 3 Software companies and at least 2 companies focusing on Saas.Sector | No. of Investments |
|---|---|
Enterprise Applications | 2 |
HealthTech | 2 |
Life Sciences | 2 |
Vertical SaaS | 2 |
Consumer | 1 |
Note: We have considered here, only first round of investments
Leafy Tunnel's Investments by Geography
Leafy Tunnel has made most investments in United States (2), followed by Denmark where it has made 1 investment.Country | No. of Investments |
|---|---|
United States | 2 |
Denmark | 1 |
United Kingdom | 1 |
Note: We have considered here, only first round of investments
Leafy Tunnel's recent investments
Leafy Tunnel has not made any investment in 2026 so far.Here are the most recent investments by Leafy Tunnel:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Jan 04, 2024 | United States | Seed | 3498 | [+1] | |
Dec 17, 2021 | United States | Seed | 6853 | [+12] | |
Dec 15, 2021 | Denmark | Seed | 3787 | ||
Aug 15, 2021 | United Kingdom | Series B | 6288 | [+5] |
Acquired companies in Leafy Tunnel's Portfolio
1 company from Leafy Tunnel's portfolio has been acquired. The most recent acquisition was iuvo Therapeutics in Aug 2019 by Wundrco for $*****.Here are Leafy Tunnel's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Aug 15, 2019 | - | - | 8153 |
Team profile of Leafy Tunnel
Leafy Tunnel has a team of 3 members including 2 Partners and 1 Principal located in United Kingdom. Leafy Tunnel's team does not sit on the board of any company as of now.Here is a list of all team members in Leafy Tunnel:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | London | - | ||
Partner | London | - | ||
Principal | London | - |
Co-investors of Leafy Tunnel
Over the past 5 years, 28 investors have co-invested in Leafy Tunnel's portfolio companies. This includes funds and angels.
- Invested before Leafy Tunnel: Noetic Psychedelic Fund, Bain Capital and 2 others have invested in rounds before Leafy Tunnel. There is 1 company where Noetic Psychedelic Fund has invested before Leafy Tunnel and 1 company where Bain Capital has invested before Leafy Tunnel.
- Top Co-investors of Leafy Tunnel: 22 investors entered a company along with Leafy Tunnel. These include investors like Integrated (1 company).
- Invested after Leafy Tunnel: ATAI (1 company) and HHS (1 company) are the investors which have invested in Leafy Tunnel's portfolio after their investments.
Recent News related to Leafy Tunnel
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Ceretype Neuromedicine: Functional MRI Company Raises $2 MillionPulse 2.0•Jan 05, 2024•Ceretype, Cedar Street Group, Leafy Tunnel, One Mind
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Ceretype Neuromedicine Closes Second Round of Seed Financing to Accelerate GrowthBusiness Wire•Jan 04, 2024•Ceretype, Cedar Street Group, Leafy Tunnel, One Mind
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UK-based medical cannabis operator Lyphe Group bags €5.8M for European expansionSilicon Canals•May 23, 2022•Lyphe Clinic, Leafy Tunnel, Sharpca, LYPHE GROUP
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