321Catalyst Ventures
Profile, fund size and leaders
321Catalyst Ventures is the corporate venture arm of Mitsui Chemicals, a chemicals and materials company. It was founded in 2025 and is based in San Jose, United States. It invests from seed to growth. Sectors it names: healthcare and digital health, mobility and automotive, enterprise software, climate and energy.
- Fund sizeS1
- USD 60M
Every figure links to its source
Snapshot
Data behind this graphic
| Item | Value |
|---|---|
| Stage range | Seed to Growth |
| Sectors | Healthcare and digital health, Mobility and automotive, Enterprise software, Climate and energy, Biotech and life sciences |
| Geography | Global |
| Offices | San Jose, United States |
Sources: S1 Mitsui Chemicals: launch of 321Catalyst fund and 321Catalyst Ventures (26 May 2025).
Where it invests and who leads it
LeadersS1S4
- Shunsuke FujiiPresident, 321Catalyst VenturesFind on LinkedInFirm page
- Miho TsukamotoVice PresidentLinkedIn
Key facts
| Fact | Value | Status | Source |
|---|---|---|---|
| Parent company | Mitsui Chemicals (TSE: 4183) | Single source | S1 |
| Parent industry | Chemicals and materials | Single source | S1 |
| Founded | 2025 | Single source | S1 |
| Headquarters | San Jose, United States | Single source | S1 |
| Status | Active | Single source | S2 |
| Capital source | Parent company only | Single source | S1 |
| Headline size | USD 60M (Fund size) | Single source | S1 |
| Stages | Seed, Series A, Series B, Series C+, Growth | Single source | S1 |
About Mitsui Chemicals
Fund vehicles
Recent rounds
History
Portfolio
Portfolio companies named in public sources: TurtleTree, Materia Bioworks.S3
Official pages
Read the firm's own pages for current information.
- Website jp.mitsuichemicals.com/en/release/2025/2025_0526_2/index.htm
- LinkedIn company page www.linkedin.com/company/321catalyst
Sources
- S1Mitsui Chemicals: launch of 321Catalyst fund and 321Catalyst Ventures (26 May 2025)Firm
- S2Mitsui Chemicals: investment in Materia Bioworks (4 Aug 2026)Firm
- S3Tridge/AgFunderNews: TurtleTree and Novonesis partnership with 321Catalyst VenturesPress
- S4Miho Tsukamoto LinkedIn profile (Vice President, 321Catalyst Ventures)Firm
- S5321Catalyst Ventures LinkedIn company pageFirm
Disclaimer and corrections
Not affiliated. This page is not affiliated with, endorsed by or sponsored by 321Catalyst Ventures or any company named on it. Names and trademarks belong to their owners. Informational only. This is a public-source reference. It is not investment, legal or tax advice and not an offer or solicitation. Sources. Each figure names its source. Figures may have changed. Please read the firm's official pages, linked above. Corrections and takedown. To report an error or ask for a change or removal, use the correction form or email Richard@CorporateVentureCapital.com.
Spotted a mistake? Report a correction.