# Series B investors in Japan (2026 list)

> 121 series B investors in Japan, 93% active in the last 12 months. Led by Y Combinator, 500 Global, New Enterprise Associates. Ranked by what they funded.

Source: https://millionrounds.com/lists/series-b-investors-in-japan (Millionrounds; every figure on the page links to its filing or article)

[Investor Lists](https://millionrounds.com/lists)

# Series B investors in Japan

Updated 7 November 2026

Firms we have watched take part in a Series B round raised by a company in Japan in the last two years, wherever the firm is based.

[See all 121 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fseries-b-investors-in-japan)The top 25

**121** investors on the list *+6* this week

**3,306** cheques in 12 months *-11%* against the market

**$7.2M** median round they joined *-10%* against the market median

**93%** wrote a cheque in 12 months

**40%** have led a round

## The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

- 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) *Deploying now* Accelerator · United States **6,412** **$3M** median round **Oct 2026** last seen
- 2 [500 Global](https://millionrounds.com/fund/500-startups) *Deploying now* Angel · United States **2,140** **$3.6M** median round **Oct 2026** last seen
- 3 [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) *Deploying now* VC firm · United States **1,610** **$34M** median round **Oct 2026** last seen
- 4 [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) *Deploying now* VC firm · United States **1,128** **$26M** median round **Nov 2026** last seen
- 5 [Crowdcube](https://millionrounds.com/fund/crowdcube) *Deploying now* VC firm · United Kingdom **715** **$615K** median round **Sept 2026** last seen
- 6 [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) *Deploying now* Corporate VC · United States **649** **$26M** median round **Nov 2026** last seen
- 7 [Tengxun Touzi](https://millionrounds.com/fund/tengxun-touzi) *Deploying now* VC firm · China **553** **$50M** median round **Nov 2026** last seen
- 8 [B Capital](https://millionrounds.com/fund/b-capital) *Deploying now* VC firm · United States **495** **$14M** median round **Oct 2026** last seen
- 9 [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
- 10 [Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) *Deploying now* VC firm · Japan **480** **$7.6M** median round **Sept 2026** last seen
- 11 [GSR](https://millionrounds.com/fund/gsr) *Deploying now* VC firm · United Kingdom **453** **$6M** median round **Jun 2026** last seen
- 12 [Lux Capital](https://millionrounds.com/fund/lux-capital) *Deploying now* VC firm · United States **445** **$30M** median round **Nov 2026** last seen
- 13 [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
- 14 [DCM Ventures](https://millionrounds.com/fund/dcm-ventures) *Deploying now* Private equity · United States **433** **$16M** median round **Aug 2026** last seen
- 15 [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) *Deploying now* VC firm · Japan **397** **$6.5M** median round **Nov 2026** last seen
- 16 [SBI Investment](https://millionrounds.com/fund/sbi-investment) *Deploying now* VC firm · Japan **330** **$8.7M** median round **Sept 2026** last seen
- 17 [Headline](https://millionrounds.com/fund/headline) *Deploying now* VC firm · United States **307** **$15M** median round **Oct 2026** last seen
- 18 [IVC](https://millionrounds.com/fund/ivc) *Deploying now* VC firm · Taiwan **282** **$3.3M** median round **Sept 2026** last seen
- 19 [In-Q-Tel](https://millionrounds.com/fund/iqt) *Deploying now* Accelerator · United States **273** **$20M** median round **Nov 2026** last seen
- 20 [Vertex Ventures](https://millionrounds.com/fund/vertex-ventures) *Deploying now* VC firm · Mexico **267** **$15M** median round **Sept 2026** last seen
- 21 [Japan Finance Corporation](https://millionrounds.com/fund/japan-finance-corporation) *Deploying now* Investment firm · Japan **247** **$2M** median round **Oct 2026** last seen
- 22 [Incubate Fund](https://millionrounds.com/fund/incubate-fund) *Deploying now* VC firm · Japan **245** **$2.8M** median round **Oct 2026** last seen
- 23 [CyberAgent Capital](https://millionrounds.com/fund/cyberagent-ventures) *Deploying now* VC firm · Japan **231** **$2.2M** median round **Aug 2026** last seen
- 24 [Nissay Capital](https://millionrounds.com/fund/nissay-capital) *Deploying now* VC firm · Japan **221** **$3.5M** median round **Oct 2026** last seen
- 25 [Eight Roads Ventures](https://millionrounds.com/fund/eight-roads) *Deploying now* VC firm · Bermuda **219** **$25M** median round **Oct 2026** last seen

**96 more on this list**

All 121 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

[See the whole list *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fseries-b-investors-in-japan)

## The Newest Cheques

Rounds this list's investors joined most recently

- **6** Nov **[Ocient](https://millionrounds.com/company/ocient)** Series C · $100M *With* [In-Q-Tel](https://millionrounds.com/fund/iqt)
- **5** Nov **[T-Therapeutics](https://millionrounds.com/company/t-therapeutics)** Series B · $133M *With* [Tengxun Touzi](https://millionrounds.com/fund/tengxun-touzi)
- **5** Nov **[Soter Insure](https://millionrounds.com/company/soter-insure)** Series B *With* [SBI Group](https://millionrounds.com/fund/sbi-group)
- **5** Nov **[Nealle](https://millionrounds.com/company/nealle)** Series C *With* [Keyrock Capital Management Limited](https://millionrounds.com/fund/keyrock-capital-management-limited)
- **5** Nov **[Zipline](https://millionrounds.com/company/zipline)** Growth · $1.5B *With* [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures)
- **5** Nov **[Pay2o](https://millionrounds.com/company/pay2o)** Seed *Led by* [X Tech Ventures](https://millionrounds.com/fund/xtech-ventures)

## Stages This Year

2,430 rounds

- Venture **24%**
- Seed **16%**
- Series A **15%**
- Pre-seed **11%**
- Series B **9%**
- Other **24%**

## What They Backed

Sectors, last 12 months

- AI **1,053**
- Fintech **150**
- Big Data & Analytics **131**
- Healthcare **113**
- Biotech **109**
- Aerospace & Space **98**

## Cheques by Quarter

Led Joined

892 Q1 25

946 Q2 25

1,071 Q3 25

1,112 Q4 25

988 Q1 26

1,007 Q2 26

721 Q3 26

162 Q4 26

The last bar is the quarter still running.

## Lists Like This

- [Early stage investors in United States 3,774](https://millionrounds.com/lists/early-stage-investors-in-united-states)
- [Series A investors in United States 2,305](https://millionrounds.com/lists/series-a-investors-in-united-states)
- [Seed investors in United States 2,252](https://millionrounds.com/lists/seed-investors-in-united-states)
- [Series B investors in United States 1,647](https://millionrounds.com/lists/series-b-investors-in-united-states)
- [Growth investors in United States 1,329](https://millionrounds.com/lists/growth-investors-in-united-states)
- [Early stage investors in United Kingdom 1,166](https://millionrounds.com/lists/early-stage-investors-in-united-kingdom)
- [Series C investors in United States 967](https://millionrounds.com/lists/series-c-investors-in-united-states)
- [Pre-seed investors in United States 774](https://millionrounds.com/lists/pre-seed-investors-in-united-states)
- [Seed investors in United Kingdom 692](https://millionrounds.com/lists/seed-investors-in-united-kingdom)

[All investor lists *→*](https://millionrounds.com/lists)

## Reading for founders at Series B and scaling

- Blitzscaling: The Lightning-Fast Path to Building Massively Valuable Companies Reid Hoffman · 2018 3.95 from 7,118 ratings on Goodreads Scaling and operations Leading and managing Moats and competition About the book Foreword by Bill Gates LinkedIn cofounder, legendary investor, and host of the award-winning Masters of Scale podcast reveals the secret to starting and scaling massively valuable companies. What entrepreneur or founder doesn’t aspire to build the next Amazon, Facebook, or… On AmazonListen on Audible
- One Page Talent Management: Eliminating Complexity, Adding Value Marc Effron · 2010 4.00 from 311 ratings on Goodreads Leading and managing Hiring and culture Scaling and operations About the book A Revolutionary Approach to Talent Management You know that winning in today’s marketplace requires top quality talent. You also know what it takes to build that talent, and you spend significant financial and human resources to make it happen. Yet somehow, your company’s… On AmazonListen on Audible
- The Culture Code: The Secrets of Highly Successful Groups Daniel Coyle · 2017 4.24 from 37,412 ratings on Goodreads Hiring and culture Leading and managing About the book What do Pixar, Google and the San Antonio Spurs basketball team have in common?The answer is that they all owe their extraordinary success to their team-building skills. In The Culture Code, Daniel Coyle goes inside some of the most effective organisations in the world and… On AmazonListen on Audible
- Scaling Up: How a Few Companies Make It...and Why the Rest Don't Verne Harnish · 2014 4.16 from 6,229 ratings on Goodreads Scaling and operations Leading and managing About the book Winner of the 2015 International Book Awards for General Business Winner of the 2015 National Indie Excellence Award for General Business Winner of the 2015 Readers' Favorite International Book Award Gold Medal for Non-Fiction Business Winner of the 2015 Paris Book… On AmazonListen on Audible

More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list?role=founder&stage=scaling).

As an Amazon Associate we earn from qualifying purchases.

## Quick answers about series B investors in Japan

### Who are the most active series B investors in Japan?

By cheques observed, the most active are Y Combinator, 500 Global, New Enterprise Associates, Khosla Ventures and Crowdcube.

### How many series B investors in Japan are there?

121 are on record. 93% made an investment in the last 12 months and 40% have led a round.

### Which stages do series B investors in Japan back?

Of the rounds with a named stage in the last 12 months, mostly Seed (23%) and Series A (22%).

### How big are the rounds series B investors in Japan join?

The typical (median) round among the leading investors here is $7.6M.

### Which sectors do series B investors in Japan back most?

In the last 12 months, mostly AI, Fintech and Big Data & Analytics.

### Which series B investors in Japan lead the most rounds?

New Enterprise Associates (73 led), Khosla Ventures (57 led) and Headline (24 led).

### Where are series B investors in Japan based?

Among the most active, most are based in the United States (10), Japan (9) and the United Kingdom (2).

### What have series B investors in Japan invested in recently?

Recent rounds include Ocient (Series C, Nov 2026, with In-Q-Tel), T-Therapeutics (Series B, Nov 2026, with Tengxun Touzi) and Soter Insure (Series B, Nov 2026, with SBI Group).

Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)