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.
- Total investments:
- 43
- Last investment:
- Lead investor:
- 23%
- Last fund:
Last updated:
For AI agents: llms.txt
Industries OPT Ventures invests in
Stages OPT Ventures invests in
Countries OPT Ventures invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
1 more contact available
Round size
- Seed
- $1.5M–$68M
- Series A
- $253k–$89M
Investment Focus
Industry
- Software 7 (16%)
- E-Commerce 5 (12%)
- Information Technology 5 (12%)
- SaaS 4 (9%)
- Content 4 (9%)
Stage
- Funding Round 17 (40%)
- Series A 8 (19%)
- Seed 5 (12%)
- Series B 4 (9%)
- Series C 4 (9%)
Country
- Japan 30 (70%)
- United States 3 (7%)
- India 2 (5%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Naotaka Hosono
Partner
|
Partner | Total investments: 2 | Find email | |
Atsushi Nouchi
CEO
|
CEO | Total investments: 1 | Find email | |
Mitsutaka Hamada
Principal
|
Principal | Total investments: 0 | Find email | |
Toru Sakamoto
Tech Counsel, Global Alliance
|
Tech Counsel, Global Alliance | Total investments: 0 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Zeelab Pharmacy
|
Zeelab Pharmacy is an online medical store that sells generic medicine, multivitamins, and supplements. | $2.4M / Jan 22, 2025 | |
CirclePe
|
CirclePe is a fintech lets tenants with good credit move in with zero deposit and pay rent via no-cost EMIs. | $1M / Pre-Seed / May 27, 2024 | |
Receptionist
|
Receptionist is a media firm that offers consulting and operational services to creates opportunities to update business communication. | Series C / Mar 19, 2020 | |
WAKUWAKU
|
WAKUWAKU is a Japanese real estate tech company that focuses on developing a platform that helps users to search for and renovate used housing. In addition, the company offers platforms for building materials e-commerce and marketing automation for the real estate and construction industries. | $3.8M / Series A / Feb 03, 2020 | |
ALI Technologies
|
Aerial Lab Industries focuses on research and development of UAV (unmanned miniature aircraft). | $326M / Nov 29, 2019 | |
|
Mil-Kin
|
AQUA SYSTEM manufactures mil-kin, a microscope that enables the real-time visualization of bacteria. The company also handles the slightly acidic electrolytes water Purester system for agricultural field usage, generates equipment for hypochlorous water, and more. | Nov 13, 2019 | |
Wealthnavi
|
WealthNavi offers a platform for asset managers which uses risk management algorithm for asset management advice. | $368.5M / Series D / Nov 10, 2019 | |
WiseVine
|
WiseVine is a company with the concept of creating a new form of public services. | $42.5M / Corporate Round / Nov 01, 2019 | |
Sitateru
|
Sitateru is a tailor-controlled system of clothing production that works with clothing companies in order to facilitate clothing needs. | $141.7M / Series C / Jul 16, 2019 | |
Wovn Technologies
|
WOVN Technologies offers website localization service that translates a website into multiple languages. The company aims to make website multilingualization and localization straight-forward, simple, and accessible to anyone from a website developer, to a blogger. | $198.4M / Jun 05, 2019 | |
| See all 43 investments → | |||
Co-Investors
Bonds Investment Group
19 deals together
SMBC Venture Capital
5 deals together
Mizuho Capital
4 deals together
STRIVE
3 deals together
Spiral Ventures
3 deals together
Mitsubishi UFJ Capital
3 deals together
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FAQ
What does OPT Ventures invest in?
OPT Ventures invests primarily in Software, E-Commerce and Information Technology startups, most often at Funding Round and Series A stage. Most of the 43 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is OPT Ventures's check size?
OPT Ventures typically joins rounds of $1.5M–$68M at Seed and $253k–$89M 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 OPT Ventures participates in.
How do I contact OPT Ventures?
Public channels for OPT Ventures include the website linked on this profile and Facebook. 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 OPT Ventures?
The team at OPT Ventures includes Naotaka Hosono (Partner), Atsushi Nouchi (CEO) and Mitsutaka Hamada (Principal). 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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