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Investors / Japan / Mizuho Capital

Mizuho Capital

Venture capital · Tokyo, Japan · Asia Pacific

mizuho-vc.co.jp

Mizuho Capital is a venture capital firm that invests in companies and reports portfolio holdings by industry, growth stage, and region. It is part of the Mizuho Financial Group and lists portfolio companies that have gone public.

Invests inAI & Machine Learning

In its own wordsitinternetservicesbiotechhealthcaremanufacturing

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24portfolio companies
27funding rounds on record
18rounds, last 12 months
$5M to $20Mtypical round it comes in at
Series Amost frequent entry

Mizuho Capital lists 24 checked portfolio companies on its own site and is named in 27 funding rounds. Its most frequent entry is Series A, 42% of the companies with a known first round. Its largest themes are AI & Machine Learning (22%), Industrial & Manufacturing (12%) and Enterprise Software (12%). 88% of its companies are based in Japan. It invests most often alongside JIC Venture Growth Investments, Global Brain and SMBC Venture Capital.

Counts come from funding rounds that name Mizuho Capital, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.

Entry stage

share of companies by the stage of its first round
Show as a table
Share of companies by the stage of the firm's first round
Value
Pre-seed0%
Seed25%
Series A42%
Series B21%
Growth13%

Activity by year

rounds it joined, last 10 years
Show as a table
Funding rounds per year
TotalRounds it led
'1700
'1800
'1900
'2000
'2100
'2200
'2310
'2400
'2580
'26180

Investor profile

percentile among all firms
Portfolio size: 24 companiesRecent activity: 18 rounds in 12 monthsEarly stage: 25% of entries at pre-seed or seedEvidence: 0% of companies confirmed by a roundSector focus: 22% in its largest sectorReach: 3 countriesPortfolio size59th pctRecent activity98th pctEarly stage60th pctEvidence52th pctSector focus22th pctReach58th pct
This firmMedian of all firms
Show as a table
Mizuho Capital compared with all firms
MeasurePercentile of all firmsValue
Portfolio size59th24 companies
Recent activity98th18 rounds in 12 months
Early stage60th25% of entries at pre-seed or seed
Evidence52th0% of companies confirmed by a round
Sector focus22th22% in its largest sector
Reach58th3 countries

Investment themes

share of its checked companies

This firmAll checked companies

Show as a table
Investment themes
This firmAll checked companies
AI & Machine Learning22%18%
Industrial & Manufacturing12%7%
Enterprise Software12%8%
Healthcare & Biotech10%15%
Space & Defense10%3%
E-commerce & Marketplaces7%6%
Food & Agriculture5%3%
Fintech5%12%

Invests most often with

firms sharing its portfolio companies
Show as a table
Co-investors
Share
JIC Venture Growth Investments6
Global Brain4
SMBC Venture Capital4
Angel Bridge3
Mirai Sozo Investments3
Z Venture Capital3
15th Rock2
Dentsu Ventures2

All co-investors

Its portfolio companies

where they are based, and what their own sites show

Headquarters

Site status

  • Site answers2396%
  • No longer answers00%
  • Points to another company14%
  • Parked or sold domain00%

A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.

Co-investor network

who it backs companies with, and who they back together
24 shared companies17 shared companies16 shared companies14 shared companies11 shared companies11 shared companies11 shared companies11 shared companies9 shared companies8 shared companies7 shared companies6 shared companies6 shared companies6 shared companies5 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companies3 shared companies3 shared companiesJIC Venture Growth Investments: 6 shared companiesJIC Venture Growth In…6Global Brain: 4 shared companiesGlobal Brain4SMBC Venture Capital: 4 shared companiesSMBC Venture Capital4Angel Bridge: 3 shared companiesAngel Bridge3Mirai Sozo Investments: 3 shared companiesMirai Sozo Investments3Z Venture Capital: 3 shared companiesZ Venture Capital315th Rock: 2 shared companies15th Rock2Dentsu Ventures: 2 shared companiesDentsu Ventures2JAFCO: 2 shared companiesJAFCO2JR East Start UP: 2 shared companiesJR East Start UP2Keio Innovation Initiative: 2 shared companiesKeio Innovation Initi…2NTT DOCOMO Ventures: 2 shared companiesNTT DOCOMO Ventures2
Shared portfolio companies with Mizuho CapitalFirms that also back companies together

All co-investors or Compare portfolios with JIC Venture Growth Investments

Compare Mizuho Capital head to head

portfolio size, rounds, entry stages, themes and the companies both back

Three or more firms at once: portfolio overlap.

Recent portfolio activity

when companies last raised with Mizuho Capital
DateCompanyStage
24 Sept 2026United Immunityunitedimmunity.co.jpSeries A
24 Sept 2026aiona.co.jpaiona.co.jpSeed
15 Sept 2026yoom.co.jpyoom.co.jpSeed
1 Sept 2026Paytnerpaytner.co.jpSeries C+
22 Jun 2026corp.nextnewworld.cocorp.nextnewworld.coSeries A
1 Jun 2026TriOrb, Inc.triorb.co.jpSeries B
20 May 2026Solaris Inc.solaris-inc.comSeed
15 May 2026openheart.co.jpopenheart.co.jpSeed

Round details for Mizuho Capital

Amounts, full round histories and every co-investor in Mizuho Capital's rounds are on Fundup AI. VCinfo covers investors and their portfolios.

See rounds on Fundup AI →

Portfolio

24 companies checked against their own sites
CompanyWhat it doesThemesFirst round with itEvidence
a1a.co.jpa1a.co.jp · JapanA1A Inc. is involved in manufacturing and procurement using AI.
Industrial & ManufacturingAI & Machine Learning
Apr 2026Series BFunding round
aiona.co.jpaiona.co.jp · JapanAIONA develops and provides AI-driven design solutions for manufacturing industries
AI & Machine LearningIndustrial & Manufacturing
Sept 2026SeedFunding round
asoviewasoview.com · JapanThe company operates a website for booking leisure activities and experiences
Enterprise SoftwareE-commerce & Marketplaces
Jul 2023Series C+Funding round
bndspn.combndspn.com · Italy
Media & EntertainmentConsumer
Aug 2025DebtFunding round
company.solafune.comcompany.solafune.com · JapanSolafune integrates multi-domain intelligence across space, cyber, and physical layers to create actionable, sovereign decision systems.
CybersecurityAI & Machine Learning
Mar 2026Series AFunding round
CoolSyscoolsys.com · United StatesCoolSys provides refrigeration and HVAC services nationwide.
Industrial & ManufacturingReal Estate & Construction
Sept 2025DebtFunding round
corp.nextnewworld.cocorp.nextnewworld.co · JapanThe company develops and researches silk protein and creates new value in the healthcare, food, cosmetics, and materials fields
Healthcare & BiotechFood & Agriculture
Jun 2026Series AFunding round
enechainenechain.co.jp · JapanThe company operates Japan's largest energy trading market place, providing opportunities for wholesale electricity and environmental value trading, as well as additional services to support energy trading.
E-commerce & MarketplacesSpace & Defense
Jan 2026Series BFunding round
Geminigemini.com · United StatesGemini operates a platform for trading, predicting outcomes, and earning, including cryptocurrency and other markets.
FintechCrypto & Web3
Sept 2025Series AFunding round
IVRyivry.jp · JapanIVRy provides AI-powered telephone services for businesses
AI & Machine LearningEnterprise Software
Nov 2025Series C+Funding round
Magic Shieldsmagicshields.co.jp · JapanThe company develops and sells products to prevent falls and fractures, particularly for the elderly.
Healthcare & Biotech
Apr 2026Series BFunding round
Metagen Therapeuticsmetagentx.com · JapanThe company develops and provides medical treatments and pharmaceuticals based on gut microbiome research.
Healthcare & Biotech
Sept 2025Series BFunding round
New Space Intelligencenewspaceint.com · JapanNew Space Intelligence provides satellite data pipeline services
Space & DefenseAI & Machine Learning
Apr 2026Series AFunding round
openheart.co.jpopenheart.co.jp · Japan
May 2026SeedFunding round
orbitallasers.comorbitallasers.com · JapanOrbital Lasers develops and researches laser technology, including a contract with JAXA for a research and development project.
AI & Machine LearningAI & Machine Learning
Mar 2026Series AFunding round
Paytnerpaytner.co.jp · JapanPaytner provides a service that allows individuals and sole proprietors to receive payment for their invoices on the same day they are submitted
FintechE-commerce & Marketplaces
Sept 2026Series C+Funding round
Pictoriapictoria.co.jp · JapanPictoria creates entertainment content and AI character solutions
Enterprise SoftwareEnterprise Software
Apr 2026SeedFunding round
PLAINERservice.plainer.co.jp · JapanThe company provides a software enablement platform for businesses to create interactive product demos and improve customer engagement.
Space & DefenseSpace & Defense
May 2025Series AFunding round
Solaris Inc.solaris-inc.com · JapanSolaris Inc. develops and provides robotic solutions for pipe maintenance using soft robotics technology.
Robotics & HardwareIndustrial & Manufacturing
May 2026SeedFunding round
TriOrb, Inc.triorb.co.jp · JapanThe company develops and provides a sphere-driven omnidirectional mobility platform to revolutionize production lines.
Industrial & Manufacturing
Jun 2026Series BFunding round

About this data

site last read 5 Nov 2026
The homepage of Mizuho Capital, as last read
mizuho-vc.co.jp as VCinfo last read it
Site
mizuho-vc.co.jp
Last read
5 Nov 2026
Watching since
5 Nov 2026
Rounds since
12 Jul 2023
Companies checked
24

Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.

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