# Naotaka Hosono

> Naotaka Hosono is a seed investor at OPT Ventures (Tokyo) backing AgTech and Energy. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [OPT Ventures](https://shizune.co/investors/profile/opt-ventures)
- Location: Tokyo, Japan
- Total investments: 2
- Last investment: Jun 2021
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/naotaka-hosono-49143933

Naotaka Hosono is a seed investor at OPT Ventures in Tokyo focused on AgTech and Energy. Naotaka Hosono - Partner @ OPT Ventures

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| AgTech | 1 | 50% |
| Energy | 1 | 50% |
| Software | 1 | 50% |
| Smart Home | 1 | 50% |
| Agriculture | 1 | 50% |

9 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 50% |
| Series A | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Sagri | Sagri is developing agriculture software for experienced farmers. | $1.4M | Seed | Jun 05, 2021 |  |
| Enechange | Tokyo-based Enechange, the company offering an energy price comparison site under the same name .They are disseminating information on electricity and energy, useful electricity savings and savings right now, in order to liberalize the electricity in 2016.Enechange.Jp/try/detail Let's now begin the power company to choose in! Themiddle person is a graduate student intern! I am studying every day. | $78.1M | Series A | Mar 16, 2017 |  |

2 of 2 investments shown.

## Co-investors
- [Bonds Investment Group](https://shizune.co/investors/profile/bonds-investment-group) — VC Fund, 1 deal together
- [Hiroshima Venture Capital](https://shizune.co/investors/profile/hiroshima-venture-capital) — VC Fund, 1 deal together
- [Minato Capital](https://shizune.co/investors/profile/minato-capital) — VC Fund, 1 deal together
- [Real Tech Japan](https://shizune.co/investors/profile/real-tech-fund) — VC Fund, 1 deal together
- [UntroD Capital](https://shizune.co/investors/profile/real-tech-holdings) — VC Fund, 1 deal together
- [Senshu Ikeda Capital](https://shizune.co/investors/profile/senshu-ikeda-capital) — VC Fund, 1 deal together

## About OPT Ventures

VC Fund · Tokyo, Japan

OPT Ventures is an investment and incubation firm that offers startups with venture capital, investments, IPO advice, management information services, and more. The company was established on February 27, 2015, and operates as an investment subsidiary of Opt Holding Corporation, an e-marketing company based in Tokyo, Japan.

4 contacts available at OPT Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Naotaka Hosono | Partner | https://shizune.co/investors/profile/naotaka-hosono |
| Atsushi Nouchi | CEO | https://shizune.co/investors/profile/atsushi-nouchi |
| Mitsutaka Hamada | Principal | https://shizune.co/investors/profile/mitsutaka-hamada |
| Toru Sakamoto | Tech Counsel, Global Alliance | https://shizune.co/investors/profile/toru-sakamoto |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Naotaka Hosono invest in?

Naotaka Hosono invests primarily in AgTech, Energy and Software startups, most often at Seed and Series A stage. Most of the 2 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Naotaka Hosono last invest?

The most recent investment recorded for Naotaka Hosono closed in Jun 2021. Shizune tracks 2 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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