# Cybersecurity investors in Japan (2026 list) > 20 cybersecurity investors in Japan, 100% active in the last 12 months. Led by Mitsubishi UFJ Capital, SMBC Venture Capital, Mizuho Capital. Source: https://millionrounds.com/lists/cybersecurity-investors-in-japan (Millionrounds; every figure on the page links to its filing or article) [Investor Lists](https://millionrounds.com/lists) # Cybersecurity investors in Japan Updated 7 November 2026 Firms observed backing a cybersecurity company in Japan in the last two years, wherever the firm is based. [See all 20 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fcybersecurity-investors-in-japan)The top 20 **20** investors on the list No change this week **662** cheques in 12 months *-8%* against the market **$5M** median round they joined *-37%* against the market median **100%** wrote a cheque in 12 months **50%** have led a round ## The Top 20 Ordered by cheques observed, never by anything anyone paid for Deploying now (20) - 1 [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) *Deploying now* VC firm · Japan **493** **$4.7M** median round **Nov 2026** last seen - 2 [SMBC Venture Capital](https://millionrounds.com/fund/smbc-venture-capital-2) *Deploying now* Investment bank · Japan **443** **$5.1M** median round **Oct 2026** last seen - 3 [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) *Deploying now* VC firm · Japan **397** **$6.5M** median round **Nov 2026** last seen - 4 [East Ventures](https://millionrounds.com/fund/east-ventures) *Deploying now* VC firm · Singapore **367** **$2.8M** median round **Oct 2026** last seen - 5 [Headline](https://millionrounds.com/fund/headline) *Deploying now* VC firm · United States **307** **$15M** median round **Oct 2026** last seen - 6 [Japan Finance Corporation](https://millionrounds.com/fund/japan-finance-corporation) *Deploying now* Investment firm · Japan **247** **$2M** median round **Oct 2026** last seen - 7 [Incubate Fund](https://millionrounds.com/fund/incubate-fund) *Deploying now* VC firm · Japan **245** **$2.8M** median round **Oct 2026** last seen - 8 [Nissay Capital](https://millionrounds.com/fund/nissay-capital) *Deploying now* VC firm · Japan **221** **$3.5M** median round **Oct 2026** last seen - 9 [DNX Ventures](https://millionrounds.com/fund/dnx-ventures-us) *Deploying now* VC firm · United States **149** **$5M** median round **Sept 2026** last seen - 10 [MUFG Bank](https://millionrounds.com/fund/mufg-bank) *Deploying now* Investment firm **139** **$43M** median round **Oct 2026** last seen - 11 [Infinity Ventures](https://millionrounds.com/fund/infinity-ventures) *Deploying now* VC firm · United States **130** **$6.8M** median round **Sept 2026** last seen - 12 [Genesia Ventures](https://millionrounds.com/fund/genesia-ventures) *Deploying now* VC firm · Japan **125** **$1.6M** median round **Oct 2026** last seen - 13 [Archetype](https://millionrounds.com/fund/archetype) *Deploying now* VC firm · United States **116** **$5M** median round **Sept 2026** last seen - 14 [ITOCHU Technology Ventures](https://millionrounds.com/fund/itochu-technology-ventures) *Deploying now* VC firm · Japan **88** **$5.5M** median round **Oct 2026** last seen - 15 [Spiral Capital](https://millionrounds.com/fund/spiral-capital) *Deploying now* VC firm · Japan **69** **$6.9M** median round **Sept 2026** last seen - 16 [Mercuri VC](https://millionrounds.com/fund/mercuri) *Deploying now* VC firm · United Kingdom **68** **$5M** median round **Sept 2026** last seen - 17 [DBJ Capital](https://millionrounds.com/fund/dbj-capital) *Deploying now* Government · Japan **56** **$4.6M** median round **Oct 2026** last seen - 18 [Keio Innovation Initiative](https://millionrounds.com/fund/keio-innovation-initiative-inc) *Deploying now* VC firm · Japan **42** **$3.8M** median round **Sept 2026** last seen - 19 [Hiroshima Venture Capital](https://millionrounds.com/fund/hiroshima-venture-capital) *Deploying now* VC firm · Japan **3** **$9M** median round **Oct 2026** last seen - 20 [HAKOBUNE](https://millionrounds.com/fund/hakobune) *Deploying now* VC firm · Japan **2** **$317K** median round **Oct 2026** last seen ## The Newest Cheques Rounds this list's investors joined most recently - **5** Nov **[Pay2o](https://millionrounds.com/company/pay2o)** Seed *With* [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) - **2** Nov **[BionicM](https://millionrounds.com/company/bionicm)** Series B *With* [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) - **30** Oct **[Neoen](https://millionrounds.com/company/neoen)** Debt · $1.3B *With* [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) - **30** Oct **[Serval](https://millionrounds.com/company/serval)** Series C · $150M *With* [Headline](https://millionrounds.com/fund/headline) - **28** Oct **[IDEABLE WORKS](https://millionrounds.com/company/ideable-works)** Series A *With* [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) - **27** Oct **[ClarityCare](https://millionrounds.com/company/claritycare)** Series A · $17M *Led by* [Headline](https://millionrounds.com/fund/headline) ## Stages This Year 450 rounds - Venture **24%** - Seed **21%** - Series A **17%** - Debt **13%** - Series B **10%** - Other **15%** ## What They Backed Sectors, last 12 months - AI **116** - Energy **28** - Fintech **23** - Healthcare **18** - Big Data & Analytics **17** - Consumer Apps **17** ## Cheques by Quarter Led Joined 163 Q1 25 183 Q2 25 214 Q3 25 207 Q4 25 181 Q1 26 220 Q2 26 171 Q3 26 27 Q4 26 The last bar is the quarter still running. ## Lists Like This - [AI investors in United States 3,683](https://millionrounds.com/lists/ai-investors-in-united-states) - [Fintech investors in United States 1,166](https://millionrounds.com/lists/fintech-investors-in-united-states) - [AI investors in United Kingdom 1,039](https://millionrounds.com/lists/ai-investors-in-united-kingdom) - [Big Data & Analytics investors in United States 1,039](https://millionrounds.com/lists/big-data-investors-in-united-states) - [Biotech investors in United States 914](https://millionrounds.com/lists/biotech-investors-in-united-states) - [Energy investors in United States 798](https://millionrounds.com/lists/energy-investors-in-united-states) - [Robotics investors in United States 797](https://millionrounds.com/lists/robotics-investors-in-united-states) - [Construction investors in United States 742](https://millionrounds.com/lists/construction-investors-in-united-states) - [Cybersecurity investors in United States 702](https://millionrounds.com/lists/cybersecurity-investors-in-united-states) [All investor lists *→*](https://millionrounds.com/lists) ## Reading for founders in security - Hackers: Heroes of the Computer Revolution Steven Levy · 1984 4.16 from 8,649 ratings on Goodreads Security About the book A mere fifteen years ago, computer nerds were seen as marginal weirdos, outsiders whose world would never resonate with the mainstream. That was before one pioneering work documented the underground computer revolution that was about to change our world forever. With… On AmazonListen on Audible - The DevOps Handbook: How to Create World-Class Agility, Reliability, and Security in Technology Organizations Gene Kim · 2015 4.29 from 5,988 ratings on Goodreads Security Company building About the book Increase profitability, elevate work culture, and exceed productivity goals through DevOps practices.More than ever, the effective management of technology is critical for business competitiveness. For decades, technology leaders have struggled to balance agility, reliability,… On AmazonListen on Audible - Smartcuts: How Hackers, Innovators, and Icons Accelerate Success Shane Snow · 2014 3.88 from 6,577 ratings on Goodreads Security Company building Innovation About the book Entrepreneur and journalist Shane Snow (Wired, Fast Company, The New Yorker, and cofounder of Contently) analyzes the lives of people and companies that do incredible things in implausibly short time. How do some startups go from zero to billions in mere months? How did… On AmazonListen on Audible - The Innovators: How a Group of Hackers, Geniuses and Geeks Created the Digital Revolution Walter Isaacson · 2014 4.12 from 40,532 ratings on Goodreads Security Innovation Company building About the book Following his blockbuster biography of Steve Jobs, The Innovators is Walter Isaacson’s revealing story of the people who created the computer and the Internet. It is destined to be the standard history of the digital revolution and an indispensable guide to how innovation really… On AmazonListen on Audible More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list?role=founder&industry=security). As an Amazon Associate we earn from qualifying purchases. ## Quick answers about cybersecurity investors in Japan ### Who are the most active cybersecurity investors in Japan? By cheques observed, the most active are Mitsubishi UFJ Capital, SMBC Venture Capital, Mizuho Capital, East Ventures and Headline. ### How many cybersecurity investors in Japan are there? 20 are on record. 100% made an investment in the last 12 months and 50% have led a round. ### Which stages do cybersecurity investors in Japan back? Of the rounds with a named stage in the last 12 months, mostly Seed (29%) and Series A (24%). ### How big are the rounds cybersecurity investors in Japan join? The typical (median) round among the leading investors here is $5M. ### Which sectors do cybersecurity investors in Japan back most? In the last 12 months, mostly AI, Energy and Fintech. ### Which cybersecurity investors in Japan lead the most rounds? Headline (24 led), East Ventures (4 led) and Infinity Ventures (3 led). ### Where are cybersecurity investors in Japan based? Among the most active, most are based in Japan (13), the United States (4) and Singapore (1). ### What have cybersecurity investors in Japan invested in recently? Recent rounds include Pay2o (Seed, Nov 2026, with Mizuho Capital), BionicM (Series B, Nov 2026, with Mitsubishi UFJ Capital) and Neoen (Debt, Oct 2026, with Mizuho Capital). Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)