# Ono Digital Health Investment

> Ono Digital Health Investment is a VC fund in Tokyo backing Health Care and Software. See 6 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Tokyo, Japan
- Total investments: 6
- Last investment: May 2025
- Lead investor: 17%
- Last updated: Aug 2026
- Website: https://www.onodigitalhealth.com/ja

Ono Digital Health Investment is a venture capital firm that invests in healthcare sector.

## Round sizes

| Stage | Round size |
| --- | --- |
| Series D | $6.7M–$8.8M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 3 | 50% |
| Software | 2 | 33% |
| SaaS | 1 | 17% |
| Medical | 1 | 17% |
| Internet | 1 | 17% |

13 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 17% |
| Series B | 1 | 17% |
| Series D | 1 | 17% |
| Funding Round | 1 | 17% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 3 | 50% |
| Taiwan | 1 | 17% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Tech Doctor | Tech Doctor is a health monitoring service which provides analysis and insights for self care reducing the need for health care workers. | $8.3M | Series B | May 07, 2025 |  |
| WizWe | WizWe operate a platform to improve learning habits by supporting language areas with technology, such as Wiz Heart. |  |  | Dec 23, 2024 |  |
| Rehab | Rehab develops a rehabilitation support SaaS "Rehaplan" for adult day care centers. | $6.7M | Series D | Feb 16, 2024 |  |
| Rehab | Rehab develops a rehabilitation support SaaS "Rehaplan" for adult day care centers. | $8.8M | Series D | Feb 01, 2023 |  |
| Rehab | Rehab develops a rehabilitation support SaaS "Rehaplan" for adult day care centers. | $8.8M | Series D | Feb 01, 2023 |  |
| aetherAI | aetherAI is dedicated to developing web-based digital pathology workflow system and AI-powered diagnostic support. Its mission to use state-of-the-art information technology to improve the quality of healthcare. | $4.8M | Series A | Nov 21, 2022 |  |

6 of 6 investments shown.

## Co-investors
- [Japan Post Bank Asset Management](https://shizune.co/investors/profile/japan-post-investment) — VC Fund, 6 deals together
- [MTG Ventures](https://shizune.co/investors/profile/mtg-ventures) — VC Fund, 4 deals together
- [Yamato Social Impact Fund](https://shizune.co/investors/profile/yamato-social-impact-fund) — VC Fund, 4 deals together
- [SMBC Venture Capital](https://shizune.co/investors/profile/smbc-venture-capital) — VC Fund, 3 deals together
- [Aflac Ventures Japan](https://shizune.co/investors/profile/aflac-innovation-partners) — VC Fund, 2 deals together
- [Omron Ventures](https://shizune.co/investors/profile/omron-ventures) — VC Fund, 2 deals together

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### Similar country
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## Featured in investor lists
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## FAQ

### What does Ono Digital Health Investment invest in?

Ono Digital Health Investment invests primarily in Health Care, Software and SaaS startups, most often at Series A and Series B stage. Most of the 6 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Ono Digital Health Investment's check size?

Ono Digital Health Investment typically joins rounds of $6.7M–$8.8M at Series D. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Ono Digital Health Investment participates in.

### When did Ono Digital Health Investment last invest?

The most recent investment recorded for Ono Digital Health Investment closed in May 2025. Shizune tracks 6 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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