# Sumitomo Mitsui Trust Investment

> Sumitomo Mitsui Trust Investment is a VC fund backing Internet and Software. See 32 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Minato, Japan
- Total investments: 32
- Last investment: Jun 2026
- Lead investor: 9%
- Fund size: $633M
- Last fund: Sep 2017
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/sumitomo-trust
- Website: http://www.smtic.jp

Sumitomo Mitsui Trust Investment is a VC fund in Minato focused on Internet and Software. Sumitomo Mitsui Trust provides Japanese equity products for corporate and governmental pension funds. SMTB also provides products investing in Asian equities. The capability was developed through its experience in Japanese equity, although it maintains an investment team in Hong Kong.

## Contacts

5 contacts available for Sumitomo Mitsui Trust Investment. Shizune tracks 1 team members at Sumitomo Mitsui Trust Investment. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/sumitomo-mitsui-trust-investment?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Series B | $9.6M–$411M |
| Series C | $22M–$369M |
| Series D | $12M–$1.2B |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Internet | 6 | 19% |
| Software | 6 | 19% |
| Finance | 4 | 13% |
| Health Care | 4 | 13% |
| Information Technology | 4 | 13% |

73 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series D | 9 | 28% |
| Series B | 5 | 16% |
| Series C | 5 | 16% |
| Series A | 3 | 9% |
| Venture - Series Unknown | 3 | 9% |

9 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 26 | 81% |
| Singapore | 1 | 3% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Kazuya Oyama | Executive Officer | 2 | https://shizune.co/investors/profile/kazuya-oyama |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| ALGO ARTIS | ALGO ARTIS is a software company that offers optimization in plant operations, tanking, ship allocation plan, and logistics. | $9.6M | Series B | Jun 09, 2026 |  |
| ALGO ARTIS | ALGO ARTIS is a software company that offers optimization in plant operations, tanking, ship allocation plan, and logistics. | $9.6M | Series B | Jun 09, 2026 |  |
| Think Nature | Think Nature is a researcher startup that specializes in the solutions related to the sustainability of biodiversity and ecosystem services. | $2.4M | Venture - Series Unknown | Apr 01, 2026 |  |
| SDP Japan | SDP Japan is a procurement and sales company of surgical components, pharmaceuticals, and consumables. | $31.2M | Series D | Jun 15, 2025 |  |
| Leading Mark | Leading Mark, a rising human resources startup in Japan. Leading Mark is branching out into mid-career and international hiring. It currently has a one-man team in China working to bring the top Japanese-speaking Chinese students to domestic companies. He also touts his startup’s focus on the average job seeker. “We want to make sure that the usersget the info that he or she needs the most,” he says. Large scale, legacy players can sometimes prioritize the needs of the hiring company, and their commission, over the needs of applicants themselves. This leads to frustration and short-circuited careers. | $10.6M | Venture - Series Unknown | Feb 05, 2025 |  |
| ThinkCyte | ThinkCyte provides single-cell analysis for research, diagnostics, and therapeutics with an integrated multidisciplinary approach. | $22.4M | Series C | Nov 28, 2023 |  |
| FLUX | FLUX provide “FLUX Header Bidding Solution” that creates fair competition opportunities and significantly increases advertising revenue within the header bidding server, ad requests are sent to SSPs and ad exchanges all at once, so it is possible to have a pure price competition without prioritization, and to determine the highest bid amount andvalue of the advertising space. I can. Then, the price of the highest bid ad in the header bidding and the ad set in the ad server are competed, and the ad with the higher bid is delivered. | $31.4M | Series B | Jun 14, 2023 |  |
| Heartseed | Heartseed is a biotechnology research firm that specializes in the development of purified ventricular cardiomyocytes derived from induced pluripotent stem cells for the treatment of heart failure. The company employs an innovative methodology that involves the creation of cardiomyocyte spheroids, small clusters of heart cells, using stem cells.These spheroids are then surgically implanted into the heart to improve its performance. | $14.3M | Seed | May 25, 2023 |  |
| Synspective | Synspective provides SAR data and remote monitoring services to government agencies. Its satellite data technology utilizes and integrates data from satellite constellations, big data, and machine learning. It provides various satellite services, including remote sensing and satellite imagery using small-sized SAR satellites that can measure humanactivity over a wide area on earth, regardless of time or weather. | $96.3M | Series B | Mar 28, 2022 |  |
| Aculys Pharma | Accuris Pharma is a pharmaceutical company that aims to develop innovative and superior medical methods and deliver them to patients. | $22.9M | Series B | Mar 27, 2022 |  |

10 of 32 investments shown.

## Co-investors
- [Salesforce Ventures](https://shizune.co/investors/profile/salesforce-ventures) — VC Fund, 9 deals together
- [DNX Ventures](https://shizune.co/investors/profile/dnx-ventures) — VC Fund, 5 deals together
- [ITOCHU Technology Ventures](https://shizune.co/investors/profile/itochu-technology-ventures) — VC Fund, 5 deals together
- [Japan Co-Invest Limited Partnership](https://shizune.co/investors/profile/japan-co-invest-limited-partnership) — VC Fund, 5 deals together
- [Catalys Pacific](https://shizune.co/investors/profile/catalys-pacific) — VC Fund, 4 deals together
- [UTEC - The University of Tokyo Edge Capital Partners](https://shizune.co/investors/profile/utec) — VC Fund, 4 deals together

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## FAQ

### What does Sumitomo Mitsui Trust Investment invest in?

Sumitomo Mitsui Trust Investment invests primarily in Internet, Software and Finance startups, most often at Series D and Series B stage. Most of the 32 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Sumitomo Mitsui Trust Investment's check size?

Sumitomo Mitsui Trust Investment typically joins rounds of $9.6M–$411M at Series B, $22M–$369M at Series C and $12M–$1.2B at Series D. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Sumitomo Mitsui Trust Investment participates in.

### How do I contact Sumitomo Mitsui Trust Investment?

Public channels for Sumitomo Mitsui Trust Investment include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Sumitomo Mitsui Trust Investment?

The team at Sumitomo Mitsui Trust Investment includes Kazuya Oyama (Executive Officer). The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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