What stage does Mitsui & Co invest at?

Mitsui & Co invests at the Seed, Series A stages.

What sectors does Mitsui & Co focus on?

Mitsui & Co focuses on Logistics & Supply Chain.

Does Mitsui & Co lead rounds?

Yes, Mitsui & Co leads investment rounds.

Mitsui & Co

Corporate VC

Seed–Series A · 2 people tracked

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Investment thesis

Mitsui & Co is a Japanese general trading and investment company operating across a wide range of geographies and industry sectors. It develops businesses by connecting ideas, information, customers, and partners, with stated attention to sustainability and ESG-driven value creation.

Invests inLogistics & Supply Chain Brazil Global

Source: firm website, verified Aug 6, 2026.

Stage

Seed–Series A

Leads rounds

Leads

Instruments

Equity

Last 12 months

4 investments

Tracked investments

Team · 2 people

from the firm's website

Seiu Kou· Project Manager, Agri-Innovation Dept., AgriSolutions Div., Nutrition & Agriculture Business Unit· Dubai

Joined Mitsui & Co. in 2018 with a degree in economics. Initially worked on infrastructure business development and investment in the Middle East before joining a task force in 2020 to explore vertical farming opportunities. After an internal transfer in 2021, he led the strategic development and launch of a vertical farming business in Saudi Arabia, partnering with ZERO and Tamimi Markets. As of October 2023, he is based in the Middle East overseeing a multi-country vertical farming project.

Yuki Yashiro· Directeur Chargé de Mission· Casablanca, Morocco

Joined Mitsui in 2011 and worked in investment and management of energy assets across Southeast Asia and the Middle East. After studying French in France, he assessed an investment opportunity in Moroccan poultry integrator Zalar Holding S.A. He transferred to the Food Business Unit in 2019, gained experience at Mitsui subsidiary Prifoods, and was seconded to Zalar in 2022, where he focuses on business growth through continuous improvement.

What they invest in

from 9 of 10 portfolio companies

Cleantech ×4Energy ×4AI & Machine Learning ×3Climate Tech ×3Deep Tech ×3Enterprise Software ×3Mobility & Transportation ×2SaaS ×2

HQs:United States×7Canada×1Japan×1

Investments · 10 tracked

founders shown can be your intro path

By year:2026 · 2 2025 · 2 2023 · 1 2021 · 16 dated

Quantinuumquantinuum.com in 𝕏NASDAQ: QNTDec 2023

Quantinuum develops quantum computers and quantum software solutions for applications in drug discovery, healthcare, materials science, cybersecurity, and energy.

Deep TechEnterprise SoftwareQuantum ComputingBroomfield, US

Ilyas Khan(Chief Product Officer)Rajeeb Hazra(President and CEO)Avinash Palaniswamy(Chief Commercial Officer)Susan Schwamberger(Chief Human Resources Officer and SVP Operations)Jennifer Strabley(VP and General Manager, Compute Products)Waseem Shiraz(Senior VP Strategic Initiatives & Chief of Staff)

Co-investorsEdenBase Khosla Ventures Manta Ray Ventures MESH Owl Ventures Powerhouse Ventures +6 more

Preferred Networkspreferred.jp in 𝕏✓ verified

Preferred Networks vertically integrates computer science technologies from semiconductors and computing infrastructure to solutions and applications, developing AI/machine learning systems including the domestically-built large language model PLaMo and the MN-Core AI processor series.

AI & Machine LearningDeep TechEnterprise SoftwareSemiconductorsTokyo, JP

西川徹(Co-founder)岡野原大輔(Co-founder)

Co-investorsTBS Innovation Partners Development Bank of Japan Mitsubishi UFJ Asset Management Sumitomo Mitsui Trust Bank TEL Venture Capital, Inc.

Commonwealth Fusion Systemscfs.energy in 𝕏Sep 2025 · $863M

Commonwealth Fusion Systems develops commercial fusion power plants using high-temperature superconducting magnet technology to provide grid-scale energy.

CleantechClimate TechDeep TechEnergyCambridge, US

Brandon Sorbom(Founder)Robert Mumgaard(Executive Officer, Director)Daniel Brunner(Executive Officer)Bob Mumgaard(Founder)in

BoardMassimiliano Pieri(Director)Katie Rae(Director)in

Co-investorsAdvection Growth Capital Armada Investment AG Bay Bridge Ventures Climate Beni Venture Capital Brainstorm Ventures Collaborative Fund +37 more

Ekona Powerekonapower.com in

Ekona Power develops methane pyrolysis technology to produce clean hydrogen and carbon black while reducing greenhouse gas emissions from natural gas.

CleantechClimate TechEnergyBurnaby, CA

Jackie Hesketh(CEO)Dejan Sparica(COO)Gary(Chief Commercial Officer)Marty Reed(Director)Chris Reid(Executive Officer, Director)Nigel Jervey(Director)

Co-investorsCDP Venture Capital NGIF Capital

EV Connectevconnect.com in 𝕏Nov 2021acquired by Schneider Electric

EV Connect provides an OCPP-compatible charging management software platform (Software+), EV charging hardware, and support services for businesses running EV charging programs.

CleantechEnergyMobility & TransportationSaaSEl Segundo, US

Nathaniel Jordan Ramer(Executive Officer, Director)Scott Jarus(Executive Officer, Director)Michael Allman(Director)Kazunori Ikezawa(Director)

BoardDevin Whatley(Director)in

Co-investorsSchneider Electric Bonfire Ventures Elevation Ventures Keiretsu Forum Montage Capital Skyview Ventures +1 more

Havenfeelslikefloating.com inMar 2026 · $500M

Digital HealthStudio City, US

Co-investorsTechstars Balerion Space Ventures Earthrise Ventures MUFG Qatar Investment Authority Space Capital

Kitekite.video in 𝕏Oct 2025

Kite is a screen recording tool that automatically enhances recordings with zooming, 3D animations, and device mockups to create polished product demonstration videos.

AI & Machine LearningEnterprise SoftwareMarketing TechSan Francisco, US

Derek Feehrer(Founder)inTodd Ashley(Founder)in

Co-investorsY Combinator General Catalyst PayPal Ventures The Atmospheric Fund

LanzaJetlanzajet.comFeb 2026 · $47M

LanzaJet produces Sustainable Aviation Fuel (SAF) using locally sourced feedstocks, designed to be compatible with existing aircraft and fueling infrastructure.

CleantechClimate TechEnergyDeerfield, US

Jimmy Samartzis(Chief Executive Officer)Douglas Graham(Vice President, Corporate Secretary)

BoardMark Townley(Board Director)Laurel Harmon(Board Director)Kosuke Hattori(Board Director)David King(Board Director)

Co-investorsFoothill Ventures International Airlines Group (IAG)

Numanuma.com in

Numa builds AI for car dealership operations, focused on automating and managing dealership communication.

AI & Machine LearningMobility & TransportationSaaSSales Tech

Joel Grossman(Founder)inTasso Roumeliotis(CEO)

Co-investorsGradient Ventures Threshold Ventures Touring Capital

Peerspacepeerspace.com

Marketplace for hourly venue rentals for meetings, productions, and events

San Francisco, US

Eric ShoupinRaymond Chammas(Executive Officer, Director)

BoardPaul Holland(Director)inGeorge Chammas(Director)

Co-investorsConvivialité Ventures Full In Partners GFR Fund Redbus Ventures Seraph Group Carthona Capital +3 more

Exits · 2

IPOs and acquisitions across the tracked portfolio

QuantinuumNASDAQ: QNTEV Connectacq. by Schneider Electric

Portfolio news

latest coverage across their companies

New Haven biotech goes public after merger, raises $200M

Haven · hartfordbusiness.com · Aug 14, 2026

LanzaTech Reports Second Quarter 2026 Financial Results | The Manila Times

LanzaJet · manilatimes.net · Aug 14, 2026

Fusion power darling Commonwealth Fusion Systems raises another $1B

Commonwealth Fusion Systems · techcrunch.com · Jul 30, 2026

Craig-Hallum Initiates Quantinuum (QNT) With a Buy

Quantinuum · finance.yahoo.com · Jul 15, 2026

Kite Renews Funding for American Cancer Society CAR T Access Initiative | Precision Medicine Online

Kite · precisionmedicineonline.com · Jun 26, 2026

Costar

Numa · costar.com · Nov 5, 2025

Frequently asked questions

What stage does Mitsui & Co invest at?: Mitsui & Co invests at the Seed, Series A stages.
What sectors does Mitsui & Co focus on?: Mitsui & Co focuses on Logistics & Supply Chain.
Does Mitsui & Co lead rounds?: Yes, Mitsui & Co leads investment rounds.