# Mizuho Securities

> Mizuho Securities is a VC fund in Tokyo backing Health Care and Mobile. See 15 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Tokyo, Japan
- Total investments: 15
- Last investment: Aug 2026
- Lead investor: 7%
- Last updated: Aug 2026
- Website: http://www.mizuho-sc.com

Mizuho Securities is a VC fund in Tokyo focused on Health Care and Mobile. Mizuho Securities operates as a financial instruments firm primarily in Japan.

## Contacts

5 contacts available for Mizuho Securities. Shizune tracks 7 team members at Mizuho Securities. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/mizuho-securities?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 3 | 20% |
| Mobile | 2 | 13% |
| Finance | 2 | 13% |
| Internet | 2 | 13% |
| Biotechnology | 2 | 13% |

29 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Funding Round | 3 | 20% |
| Series A | 2 | 13% |
| Post-IPO Debt | 2 | 13% |
| Series D | 1 | 7% |
| Debt Financing | 1 | 7% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 5 | 33% |
| United States | 4 | 27% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Jerry Rizzieri | President and CEO | 1 | — |
| Jeffrey Ollada | Managing Director | 0 | — |
| John Jansen | Managing Director, Head of Technology M&A Banking | 0 | — |
| Kenji Fujii | Head Of Global Risk Management | 0 | — |
| Matthew Upton | Managing Director - Head of Software Investment Banking | 0 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| SoftBank | SoftBank provides fixed-line, mobile telephony, internet telecommunications, and digital television products. It is a multinational telecommunications and internet corporation focused on broadband, fixed-line telecommunications, e-commerce, the internet, technology services, finance, media and marketing, and other businesses. The company operatesthrough four segments.The mobile communications segment provides mobile communications services, produces and distributes online games for smartphones and other devices, offers mobile broadband services, provides supply chain solutions, handset protection, and insurance, buy-back and trade-in services, omnichannel solutions, and financial services, and sells mobile devices such as iPhones, iPads, and SoftBank smartphones. The Sprint segment offers mobile and fixed-line voice and data transmission services for individual consumers, businesses, government subscribers, and resellers in Puerto Rico and the U.S. and sells mobile devices and accessories. The fixed-line telecommunications segment offers telecom services such as fixed-line telephone and data communications services to corporate customers and broadband services to individual customers. The internet segment is engaged in the operation of the Yahoo! Japan portal, the sale of internet advertising, the operation of e-commerce sites, the provision of membership services, the sale and marketing of data centers, the provision of online automobile-related information, and the operation of the internet affiliate system.SoftBank also generates and sells electricity from renewable energy sources; provides payment processing, invoice collections, and computation services for businesses; distributes video, voice, and data content via media; operates the IT information site ITmedia; provides solutions and services for online businesses; and operates online games and software downloads. Additionally, it is involved in the ownership of professional baseball teams, the operation of baseball games, the management and maintenance of baseball stadiums and other sports facilities, and the procurement of funds by issuing preferred securities. | $10B | Post-IPO Debt | Aug 06, 2026 |  |
| Intel | Intel is building on its unrivaled history of innovation to power the future of computing and communications. Intel's ambitions? A world that runs on Intel. Intel is doing this by helping its customers find the technologies and solutions that allow them to transform their businesses and gain market advantage.And it all starts with data.Intel is on a journey from a PC-centric company to a data-centric company. Intel's unmatched depth of experience and scope of vision allows it to dream big, to create a world where Intel powers the future of computing and communications—including powerful processors and accelerators that unlock the full potential of data. Intel continuously delivers advances in performance, power, and connectivity across a diversity of data-centric workloads, so its customers can harness the raw power of data.Intel's innovations span architecture, memory, software, and security to help develop transformative products and experiences for its customers. Collectively, Intel's 107,000 employees worldwide are enabling amazing experiences in 5G, artificial intelligence, driverless cars, and much more. | $2.5B | Post-IPO Debt | Feb 21, 2024 |  |
| Plus Power | Plus Power offers electric utilities that provide capacity, energy and ancillary services to energy industries. | $219M | Debt Financing | Nov 09, 2021 |  |
| Suono Bio | Suono Bio is developing platform technology designed to enable ultra-rapid delivery of therapeutics, including proteins and nucleic acids, to the gastrointestinal (GI) tract. Preclinical studies have demonstrated the capacity to deliver small molecules, proteins, vaccines, and nucleic acids locally and systemically, validating further developmentof the system. |  | Series A | Mar 29, 2021 |  |
| PayPay | PayPay is an online payment application. This benefit is not applicable when paying with PayPay online payment service. For PayPay, per person, the granting limit for one payment is equivalent to 15,000 yen, and the total granting limit for one month is equivalent to 30,000 yen. | $981.7M |  | Oct 12, 2020 |  |
| One Tap BUY | One Tap BUY provides my banker, the financial smartphone application. The application allows its users to select the stocks they want to buy and sell, helps them to decide amounts, and buy stocks by spending a lesser amount of money. Stocks can be traded throughout the day and it also allows its users to buy and sell only profits and keep thestocks with them. | $981.7M |  | Oct 12, 2020 |  |
| HiJoJo Partners | HiJoJo Partners sells "funds incorporating high-quality middle and late-stage private companies in Japan and overseas, including unicorn companies," to domestic investors. | $2M | Series A | May 11, 2020 |  |
| One Tap BUY | One Tap BUY provides my banker, the financial smartphone application. The application allows its users to select the stocks they want to buy and sell, helps them to decide amounts, and buy stocks by spending a lesser amount of money. Stocks can be traded throughout the day and it also allows its users to buy and sell only profits and keep thestocks with them. | $283.5M | Corporate Round | Oct 24, 2018 |  |
| PayPay | PayPay is an online payment application. This benefit is not applicable when paying with PayPay online payment service. For PayPay, per person, the granting limit for one payment is equivalent to 15,000 yen, and the total granting limit for one month is equivalent to 30,000 yen. | $28.3M |  | Nov 15, 2017 |  |
| One Tap BUY | One Tap BUY provides my banker, the financial smartphone application. The application allows its users to select the stocks they want to buy and sell, helps them to decide amounts, and buy stocks by spending a lesser amount of money. Stocks can be traded throughout the day and it also allows its users to buy and sell only profits and keep thestocks with them. | $28.3M |  | Nov 15, 2017 |  |

10 of 15 investments shown.

## Co-investors
- [SoftBank](https://shizune.co/investors/profile/softbank) — VC Fund, 5 deals together
- [Mobile Internet Capital](https://shizune.co/investors/profile/mobile-internet-capital) — VC Fund, 4 deals together
- [Brookside Capital](https://shizune.co/investors/profile/brookside-capital) — VC Fund, 2 deals together
- [CMEA Capital](https://shizune.co/investors/profile/cmea-capital) — VC Fund, 2 deals together
- [Glynn Capital Management](https://shizune.co/investors/profile/glynn-capital-management) — VC Fund, 2 deals together
- [Goldman Sachs](https://shizune.co/investors/profile/goldman-sachs) — VC Fund, 2 deals together

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## FAQ

### What does Mizuho Securities invest in?

Mizuho Securities invests primarily in Health Care, Mobile and Finance startups, most often at Funding Round and Series A stage. Most of the 15 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Mizuho Securities?

Public channels for Mizuho Securities include 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 Mizuho Securities?

The team at Mizuho Securities includes Jerry Rizzieri (President and CEO), Jeffrey Ollada (Managing Director) and John Jansen (Managing Director, Head of Technology M&A Banking), among 7 team members tracked by Shizune. 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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