About 31VENTURES
31VENTURES is a venture capital firm founded in 2015. It is primarily based out of Tokyo, Japan. As of May 2025, 31VENTURES has invested in 62 companies. It primarily invests in Series A round in Japan based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to High Tech and Retail. Most recently it participated in the $***** Series A round of SUPER STUDIO Overall, 31VENTURES portfolio has seen 1 unicorn, 5 IPOs and 8 acquisitions including key companies like Axelspace, Railsr and Omise. A lot of funds co-invest with 31VENTURES, with names like Global Brain sharing a substantial percentage of its portfolio. 31VENTURES has team of 4 people including 1 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series A, Seed & 4 more
Portfolio IPOs
Portfolio Acquisitions
Portfolio Unicorns
31VENTURES's List of Top Investments
31VENTURES has a portfolio of 62 companies, one of which is a Unicorn. Their most notable investments are in Source Defense and SiteAware.Their portfolio spans across Japan, United States, United Kingdom and 3 more locations. They have invested in Enterprise Applications, High Tech, Retail and 25 other sectors, across stages such as Series A, Seed and 4 more. Here is the list of top investments by 31VENTURES:
1. PeerSpace
Peerspace is an online marketplace that provides short-term access to professionals and businesses to unique creative spaces. Users can browse, connect to hosts and book spaces directly through its platform. Users can create listings by providing necessary information such as location, pictures, area, and more. It is also available as an iOS app. The company earns revenue by charging a fixed fee for the services.
Key facts about PeerSpace
- Founded Year: 2013
- Location: San Francisco (United States)
- Stage: Series B
- Total Funding till date: $39.7M
- Employee Count: 121 as on Aug 31, 2026
- Investors: Foundation Capital, Recursive Ventures and 15 Others
- Latest Funding Round: Series B, Jul 17, 2018, $*****
- Highlight: Editors' Pick
2. Luup
App-based platform for electric kick scooters. Through the app, users can find and book electric kick scooters. Also, they can navigate to the nearby bike stations to get the scooters. Users can unlock the scooters by scanning the QR code. It offers station-based service users have to leave the scooter at the nearby docks at the end of the ride.
Key facts about Luup
- Founded Year: 2018
- Location: Shibuya (Japan)
- Stage: Series C
- Total Funding till date: $137M
- Employee Count: 95 as on Aug 31, 2026
- Investors: TBS Innovation Partners, Mori Trust and 24 Others
- Latest Funding Round: Conventional Debt, Dec 01, 2025, $*****
- Highlight: Editors' Pick
3. Axelspace
Developer of microsatellites and earth observation platform providing related services. The company has developed and operated microsatellites since its establishment. It offers a one-stop microsatellite service. The company also provides an earth observation platform service that delivers insights across diverse industries. The company is dedicated to reducing the environmental impact linked with satellite mass production.
Key facts about Axelspace
- Founded Year: 2008
- Location: Chuo City (Japan)
- Stage: Public
- Total Funding till date: $107M
- Employee Count: 141 as on May 31, 2026
- Investors: SBI Group, Nanto Bank and 26 Others
- Latest Funding Round: Series D, Dec 21, 2023, $*****
- Highlight: Public
Provider of nuclear fusion reactor technology based on low-energy nuclear reaction technology. It uses core element technology and plant engineering technology to generate energy.
Key facts about Kyoto Fusioneering
- Founded Year: 2019
- Location: Uji (Japan)
- Stage: Series D
- Total Funding till date: $225M
- Employee Count: 80 as on Aug 31, 2026
- Investors: Sumitomo Mitsui Trust Holdings, MUFG and 42 Others
- Latest Funding Round: Conventional Debt, Aug 24, 2026, $*****
5. Railsr
Provider of embedded finance platform solutions. This platform enables businesses to integrate financial services, such as banking, wallets, and cards, directly into their customer experiences. The platform offers APIs for seamless integration and handles complex integrations, including regulatory compliance and payment processing. It provides tools and resources to support businesses throughout the development and launch of embedded finance offerings, from prototyping to scaling. The goal is to simplify the process of offering financial services, allowing businesses to focus on their core offerings and customer relationships.
Key facts about Railsr
- Founded Year: 2016
- Location: London (United Kingdom)
- Annual Revenue: SGD 1M - 10M as on Dec 31, 2021
- Last Known Valuation: $*****
- Stage: Acquired
- Total Funding till date: $178M
- Employee Count: 133 as on May 31, 2026
- Investors: Visa, Ventura Capital and 48 Others
- Latest Funding Round: Series C, Oct 27, 2023, $*****
- Highlight: Acquired
31VENTURES's Year-on-Year Investment Trends
31VENTURES has invested in 62 companies over the last 10 years, with an average of 5 new investments annually in the last 10 years. In 2025, it made 1 investment. Its most recent first time investment was in SUPER STUDIO and most recent follow-on round was in Axelspace.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 0 | 0 |
2025 | 1 | 0 | 1 |
2024 | 6 | 0 | 6 |
2023 | 3 | 1 | 4 |
2022 | 2 | 0 | 2 |
2021 | 3 | 2 | 5 |
2020 | 5 | 1 | 6 |
2019 | 7 | 2 | 9 |
2018 | 9 | 0 | 9 |
2017 | 7 | 0 | 7 |
31VENTURES's Investments by Stage
31VENTURES has made 19 investments in Series A stage with an average round size of $7.47M, 12 investments in Seed stage with an average round size of $4.08M and 5 investments in Series B stage with an average round size of $16.6M.Stage of entry | No. of Investments |
|---|---|
Series A | 19 |
Seed | 12 |
Series B | 5 |
Series C | 5 |
Series D | 4 |
Others | 2 |
Note: We have considered here, only first round of investments
31VENTURES's Investments by Sector
31VENTURES has a diverse portfolio, with companies operating in the Enterprise Applications, High Tech, Consumer, Retail and Business Services. Notably, it has invested in 48 Tech companies, 46 Enterprise (B2B) companies, 28 Software companies and at least 19 companies focusing on Saas.Sector | No. of Investments |
|---|---|
Enterprise Applications | 22 |
High Tech | 20 |
Consumer | 13 |
Retail | 10 |
Business Services | 9 |
Others | 75 |
Note: We have considered here, only first round of investments
31VENTURES's Investments by Geography
31VENTURES has made most investments in Japan (29), followed by United States where it has made 8 investments.Country | No. of Investments |
|---|---|
Japan | 29 |
United States | 8 |
United Kingdom | 4 |
Israel | 3 |
Singapore | 2 |
Others | 1 |
Note: We have considered here, only first round of investments
31VENTURES's recent investments
31VENTURES has not made any investment in 2026 so far.Here are the most recent investments by 31VENTURES:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
May 16, 2025 | Japan | Series A | 2039 | [+2] | |
Aug 29, 2024 | Japan | Seed | 8452 | [+3] | |
Apr 23, 2024 | Japan | Series D | 1420 | ||
Apr 11, 2024 | Japan | Series C | 7423 | [+17] | |
Apr 04, 2024 | Japan | Seed | 2589 | [+8] |
Unicorns in 31VENTURES's Portfolio
31VENTURES has 1 unicorn in its portfolio - Omise. The most recent unicorn in their portfolio is Omise which became a unicorn in 2022, 3 years after 31VENTURES first invested in it.Here is a list of unicorns in 31VENTURES's portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
62 | Provider of payment solutions and processing technology for businesses and platforms | 2013 | Bangkok | Series C | khfkszh |
IPOs and Publicly Listed companies in 31VENTURES's Portfolio
5 of 31VENTURES's portfolio companies have become public. Axelspace got listed on the Tokyo Stock Exchange (TYO), in Aug 2025 at marketcap of $111M and Photosynth got listed on the Tokyo Stock Exchange (TSE) at marketcap of $201M.Here are 31VENTURES's portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Aug 13, 2025 | Dec 08, 2018 | Series B | 1860 | |
Oct 26, 2021 | Aug 04, 2020 | Series C | 4851 | |
Sep 29, 2021 | - | - | 8275 | |
Nov 27, 2020 | - | - | 1766 | |
Nov 27, 2020 | May 25, 2016 | Series A | 4786 |
Acquired companies in 31VENTURES's Portfolio
8 companies from 31VENTURES's portfolio have been acquired. The most recent acquisition was ViSenze in Aug 2025 by Rezolve for $*****.Here are 31VENTURES's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Aug 27, 2025 | Feb 19, 2019 | Series C | 2884 | |
Jul 10, 2023 | Nov 21, 2017 | Series A | 5824 | |
Mar 10, 2023 | - | - | 4087 | |
Jan 22, 2020 | May 03, 2017 | Series A | 1728 | |
Jan 19, 2020 | Jan 03, 2017 | Series B | 3205 |
Team profile of 31VENTURES
31VENTURES has a team of 4 members including 1 Partner and 3 Principals located in Japan. 31VENTURES's team does not sit on the board of any company as of now.Here is a list of all team members in 31VENTURES:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | - | - | - | |
Principal | - | - | - | |
Principal | Tokyo | - | - | |
Principal | - | - | - |
Co-investors of 31VENTURES
Over the past 10 years, 415 investors have co-invested in 31VENTURES's portfolio companies. This includes funds and angels.
- Invested before 31VENTURES: Global Brain, SMBC Venture Capital and 162 others have invested in rounds before 31VENTURES. There are 8 companies where Global Brain has invested before 31VENTURES and 5 companies where SMBC Venture Capital has invested before 31VENTURES.
- Top Co-investors of 31VENTURES: 111 investors entered a company along with 31VENTURES. These include investors like Global Brain (17 companies).
- Invested after 31VENTURES: A total of 140 investors have invested in 31VENTURES's portfolio after their investments. Top Investors include Sumitomo Mitsui Trust Bank (3 companies), JFC (3 companies) and Mizuho Bank (3 companies).
Recent News related to 31VENTURES
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Reiwa Travel secures Series A funding of approximately 4.8 billion yenBiglobe•Sep 09, 2024•Reiwa Travel, Sumitomo Mitsui Financial Group, Dawn Capital, 31VENTURES and 7 others
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Open Logi / 35.5 billion yen Series D financingLnews•Feb 05, 2024•OpenLogic, 31VENTURES, Mitsui Fudosan, Global Brain and 7 others
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SaaS management platform Josys receives $93 million investmentWebrazzi•Sep 06, 2023•Josys, Global Brain, Globis Capital Partners, Ntt Docomo Ventures and 8 others
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Photosynth unlocks fresh fundingGlobal Corporate Venturing•Jul 09, 2021•Photosynth, Ntt Docomo Ventures, JR East Startup, 31VENTURES
