Mitsui & Co. Global Investment, Inc.
Menlo Park, California, United StatesFounded 2001
Biotech & Life SciencesHealthcareEnterprise SoftwareHardware & SemiconductorsClimate & EnergyData & AnalyticsFood & AgricultureConsumerEducationMedia & Entertainment
Mitsui & Co. Global Investment, Inc. (MGI) is the corporate venture capital arm of Mitsui & Co., Ltd., founded in 2001 and headquartered in Menlo Park, California. The firm invests in early-stage companies across IT, life sciences, and clean energy, leveraging Mitsui's global network and resources to help entrepreneurs expand internationally.
Deal activity decreased year-over-year (1 deals in the last 12 months vs 2 prior). Average disclosed round size is $41.4M (across 29 rounds with reported amounts).
Portfolio
27
Fund Size
—
Top Stage
Unknown
Last 12 Mo
2
Team
KO
Kiyoshi Okubo
Managing Director
PS
Paulina Szyzdek
Venture Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
31 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 LanzaJet | Growth | $135M | Feb 2026 |
 Tacit Therapeutics | Series A | $19M | Jan 2026 |
 Ellipsis Health | Series A | $45M | Jun 2025 |
 Stately | Seed | $12M | May 2025 |
 Stately Bio | Seed | $12M | Jan 2025 |
 Leash Bio | Seed | $9.3M | Jan 2024 |
| QQualis Corporation | Series B | $88M | Mar 2023 |
| EEnsem | Series A | $67M | Jan 2022 |
| LanzaJet | Unknown | — | Apr 2021 |
 SPREF - Yellow Door Energy Jordan | Series A | $65M | Jan 2019 |
 Ridecell | Series B | $60M | Nov 2018 |
 Valens Semiconductor | Growth | $60M | Apr 2017 |
 Autotalks | Series D | $30M | Jan 2017 |
 Metromile | Series D | $103.1M | Sep 2016 |
| KKaltura Inc. | Unknown | $100M | Jan 2015 |
| CContinuumRx | Unknown | $13.5M | Jan 2015 |
| KKaminario | Series C | $53M | Dec 2014 |
| KKaltura Inc. | Growth | $47M | Jan 2014 |
 ArmaGen Technologies | Series A | $17M | Dec 2012 |
| CContinuumRx | Unknown | $7M | Jan 2012 |
| OOpenX Software Ltd. | Series D | $20M | Jan 2011 |
 Neul | Unknown | — | Jan 2011 |
 Spire | Growth | $40M | — |
 QurAlis | Series B | $88M | — |
| GgoBalto | Unknown | $12M | — |
Page 1 of 2
Top Co-Investors
Dolby Family Ventures3 shared
Khosla Ventures2 shared
Shell Ventures2 shared
Sanofi Ventures2 shared
EQT Life Sciences2 shared
Dementia Discovery Fund2 shared
ALS Investment Fund2 shared
Amgen Ventures2 shared
Mission BioCapital2 shared
INKEF Capital2 shared
Village Global2 shared
Dimension2 shared
BoxOne Ventures2 shared
Caffeinated Capital2 shared
Foothill Ventures2 shared
Silicon Valley Bank2 shared
Index Ventures2 shared
Samsung Catalyst Fund2 shared
Metaplanet2 shared
MFV Partners2 shared
Last updated: 8 September 2026