# Boost Capital

> Boost Capital is a VC fund in Japan backing Artificial Intelligence and Software. See 27 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Japan, Indonesia
- Total investments: 27
- Last investment: Mar 2026
- Lead investor: 37%
- Last updated: Aug 2026
- Website: https://boostcapital.co.jp

Boost Capital is a VC fund in Japan focused on Artificial Intelligence and Software. Boost Capital aids businesses in their growth.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $316k–$13M |
| Series A | $1.9M–$32M |
| Series C | $13M–$19M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Artificial Intelligence | 4 | 15% |
| Software | 3 | 11% |
| Real Estate | 3 | 11% |
| Information Technology | 3 | 11% |
| Consulting | 2 | 7% |

41 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 7 | 26% |
| Series A | 6 | 22% |
| Series C | 3 | 11% |
| Series B | 1 | 4% |
| Series D | 1 | 4% |

6 stages tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Solafune | Solafune provides satellite data analysis and software development services. | $31.7M | Series A | Mar 10, 2026 |  |
| H2 | H2 Corporation offers an automation solution called "AI Estimation" for estimating tasks. |  | Seed | Dec 26, 2025 |  |
| IVRy | Ivry offers cloud based telephonic answering service. | $26.2M | Series D | Nov 06, 2025 |  |
| Terass | TERASS is a High-end real estate information site. | $13.4M | Series C | Jul 30, 2025 |  |
| Kotoba Technologies | Kotoba Technologies develops and supports technology tailored to business fields and applications. It supports the implementation of language models into corporate applications by communicating closely with companies in Japanese to accurately understand the needs and actual situation of each company, and then provide optimal technical support.++ | $11.8M | Seed | Jun 30, 2025 |  |
| Kotoba Technologies | Kotoba Technologies develops and supports technology tailored to business fields and applications. It supports the implementation of language models into corporate applications by communicating closely with companies in Japanese to accurately understand the needs and actual situation of each company, and then provide optimal technical support.++ | $11.8M | Seed | Jun 30, 2025 |  |
| Paradigm AI | Paradigm AI is an entertainment firm that produces songs and creates virtual human idols using generative AI. |  | Seed | Jun 29, 2025 |  |
| Driver Technologies | Driver Technologies is a cloud logistics platform provider. It provides a solution for driver matching and cargo vehicle demands. | $3.7M | Series A | Mar 28, 2025 |  |
| Pleap | Pleap is a medical engineering company specializing in the development of AI and IoT-based technology solutions tailored for medical institutions. The company's product offerings include "medimo" which is an AI tool that automatically creates medical record manuscripts from medical audio. | $964.2K | Seed | Jan 28, 2025 |  |
| Pleap | Pleap is a medical engineering company specializing in the development of AI and IoT-based technology solutions tailored for medical institutions. The company's product offerings include "medimo" which is an AI tool that automatically creates medical record manuscripts from medical audio. | $964.2K | Seed | Jan 28, 2025 |  |

10 of 27 investments shown.

## Co-investors
- [ANRI](https://shizune.co/investors/profile/anri) — VC Fund, 7 deals together
- [JAFCO](https://shizune.co/investors/profile/jafco-co-ltd) — VC Fund, 6 deals together
- [SMBC Venture Capital](https://shizune.co/investors/profile/smbc-venture-capital) — VC Fund, 6 deals together
- [All Star SAAS Fund](https://shizune.co/investors/profile/all-star-saas-fund) — VC Fund, 4 deals together
- [CyberAgent Capital](https://shizune.co/investors/profile/cyberagent) — VC Fund, 4 deals together
- [Mizuho Capital](https://shizune.co/investors/profile/mizuho-capital) — VC Fund, 4 deals together

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## FAQ

### What does Boost Capital invest in?

Boost Capital invests primarily in Artificial Intelligence, Software and Real Estate startups, most often at Seed and Series A stage. Most of the 27 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Boost Capital's check size?

Boost Capital typically joins rounds of $316k–$13M at Seed, $1.9M–$32M at Series A and $13M–$19M at Series C. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Boost Capital participates in.

### When did Boost Capital last invest?

The most recent investment recorded for Boost Capital closed in Mar 2026. Shizune tracks 27 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### 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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