# Mistletoe

> Mistletoe is a VC fund in Tokyo backing Information Technology and Software. See 98 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Tokyo, Japan
- Total investments: 98
- Last investment: Nov 2024
- Lead investor: 31%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/mistletoe-inc/
- X (Twitter): https://www.twitter.com/mistletoeinc
- Website: http://mistletoe.co
- Facebook: https://www.facebook.com/mistletoeinc

Mistletoe is a hub for startups and the overall entrepreneurial ecosystem. It specifically provides learning opportunities for entrepreneurs, facilitates startup communities, invests in and supports startup companies and venture capitals.

## Contacts

5 contacts available for Mistletoe. Shizune tracks 3 team members at Mistletoe. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/mistletoe?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $729k–$28M |
| Series A | $2.2M–$57M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Information Technology | 9 | 9% |
| Software | 7 | 7% |
| Education | 7 | 7% |
| Artificial Intelligence | 7 | 7% |
| Mobile | 6 | 6% |

135 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 29 | 30% |
| Series A | 17 | 17% |
| Funding Round | 17 | 17% |
| Series B | 7 | 7% |
| Series C | 5 | 5% |

11 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 29 | 30% |
| United States | 11 | 11% |
| India | 7 | 7% |
| Singapore | 7 | 7% |
| Estonia | 3 | 3% |

14 countries tracked in total.

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Atsushi Taira | Managing Director | 4 | https://shizune.co/investors/profile/atsushi-taira |
| Mark Castleman | Partner | 0 | https://shizune.co/investors/profile/mark-castleman |
| Taizo Son | Founder | 26 | https://shizune.co/investors/profile/taizo-son |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Aquaria | Aquaria provides solutions to secure access to clean water. The organization adapts its approaches based on the needs of these communities. It addresses water-related challenges through various methods. | $12M |  | Nov 20, 2024 |  |
| Funderbeam | Funderbeam is a funding and trading platform that connects companies and investors to buy and sell equity stakes. The platform allows the founders to gain exposure, legal support, a funding manager, or an investor network. It also allows the investors to take control of their investments and trade anytime they want.The company was founded in 2013as a global data platform for startup companies. | $40M |  | May 04, 2023 |  |
| ULUU | ULUU is an ocean material that replaces plastic and actively benefits the world. | $5.4M | Seed | Nov 15, 2022 |  |
| Craft Health | Craft Health is a pharmaceutical drug delivery company.  The company offers solutions and services for drug delivery, nutraceuticals, and pharmaceuticals, offering an approach from research and development to manufacturing. Craft Health uses the paste extrusion method of 3D printing, which is a gentle method that doesn't involve a lot ofheating or curing. | $1M | Seed | Aug 18, 2022 |  |
| Craft Health | Craft Health is a pharmaceutical drug delivery company.  The company offers solutions and services for drug delivery, nutraceuticals, and pharmaceuticals, offering an approach from research and development to manufacturing. Craft Health uses the paste extrusion method of 3D printing, which is a gentle method that doesn't involve a lot ofheating or curing. | $1.1M |  | Aug 16, 2022 |  |
| Wassha | Wassha provide the rental device and charging service using clean energy. WASSHA lends all devices to start WASSHA business. Remote management and monitoration of every operation made possible with our innovative technology, so that we can check every transactions like sales, customer information, and power generation.We are looking for businesspartners to expand WASSHA to off-grid areas! s a power supplier for off-grid Africa. | $8.5M | Series C | Jun 12, 2022 |  |
| BitDegree | BitDegree is a gamified platform where users can gain Web3 skills while earning various rewards. In its learn-to-earn model, players complete Missions – interactive micro-tasks – to unlock exclusive prizes such as tokens, stablecoins, NFTs, and even merchandise from top crypto brands. Completing each Mission also earns special points called Bits,which increase the chance of winning prizes.Missions aren't just simple quizzes – they're packed with valuable content on everything from blockchain basics to top crypto products. Players are free to use all the provided info to find the answers they need – as long as they do that within a set time limit. They can even build their own Missions or create communities, called Guilds, to help others learn about the Web3 ecosystem. Plus, BitDegree offers referral rewards, giving both referrers and their friends extra Bits for helping the community grow. | $1M | Seed | Jun 06, 2022 |  |
| Novoloop | Novoloop is an upcycling company that provides a proprietary lifecycling platform to create chemicals and materials from plastic waste. Its Accelerated Thermal Oxidative Decomposition (ATOD) process chemically breaks down plastic films and packaging into monomers, which are then reassembled into virgin-quality TPU and recycled+ formulations. Thecompany operates a demonstration pilot plant in India in partnership with Aether Industries, producing up to 70 metric tons of TPU annually from mixed plastic waste. | $10M | Series A | Apr 08, 2022 |  |
| Alora | Agrisea is an ocean agriculture company building the technology of today to bring peace tomorrow. The company solution genetically fortifies their crops so that they may grow in the oceans, similar to hydroponics. They create a cellular cycle of original and independent genes to promote a system that works together, rather than alone, distributingthe pressure of saltwater over a more capable group of genes.Agri design mimics nature and recreates these natural effects using the genetic material already found in their land crops. Their farms are designed with spatial optimization and a hydroponic basis in mind, wave motion is mitigated and the plant roots are positioned to absorb the necessary nutrients directly from the surrounding saltwater. | $1.4M | Seed | Apr 07, 2022 |  |
| BeTRITON | Z-Triton is an amphibious e-tricycle camper that offers you the freedom to travel both over land and water. Perfect for either long-distance adventures or recreation - a weekend getaway deep in nature. | $110.5K | Pre-Seed | Apr 01, 2022 |  |

10 of 98 investments shown.

## Co-investors
- [KSK Angel Fund](https://shizune.co/investors/profile/ksk-angel-fund) — VC Fund, 5 deals together
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 4 deals together
- [Mizuho Capital](https://shizune.co/investors/profile/mizuho-capital) — VC Fund, 4 deals together
- [Qualcomm Ventures](https://shizune.co/investors/profile/qualcomm-ventures) — VC Fund, 4 deals together
- [UntroD Capital](https://shizune.co/investors/profile/real-tech-holdings) — VC Fund, 4 deals together
- [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital) — VC Fund, 4 deals together

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## FAQ

### What does Mistletoe invest in?

Mistletoe invests primarily in Information Technology, Software and Education startups, most often at Seed and Series A stage. Most of the 98 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Mistletoe's check size?

Mistletoe typically joins rounds of $729k–$28M at Seed and $2.2M–$57M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Mistletoe participates in.

### How do I contact Mistletoe?

Public channels for Mistletoe include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Mistletoe?

The team at Mistletoe includes Atsushi Taira (Managing Director), Mark Castleman (Partner) and Taizo Son (Founder). The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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