# Mizuho Securities

Mizuho Securities is a Bank / Wealth / Trust based in Tokyo, Japan.

## Overview

- **Organization type:** Bank / Wealth / Trust
- **Headquarters:** Tokyo, Japan
- **Region:** Asia
- **Address:** Tokyo, Japan
- **Founded:** 1917
- **Assets under management:** Undisclosed
- **Website:** mizuho-sc.com
- **LinkedIn:** https://linkedin.com/company/mizuho-securities
- **Wikidata:** Q6884799

## Regulatory record

- **Reports private funds:** No

## About

Founded in 1917, Mizuho Securities predates its parent, Mizuho Financial Group, by nearly a century and remains the group's sole comprehensive securities arm. It functions as the equity and debt capital markets engine for one of Japan's three mega-banks, underwriting public offerings and advising on M&A for the country's largest corporations. The firm's institutional reach extends across fixed income, equities, and investment banking, serving as a primary dealer for Japanese government bonds. Mizuho Securities deploys proprietary capital into early-stage venture deals, with a disclosed strategy that concentrates on early-stage venture capital across four overlapping mandates. Unlike a standalone venture firm, its deal flow originates from the broader Mizuho ecosystem: corporate clients seeking strategic partnerships, listed companies spinning out divisions, and the bank's deep lending relationships with mid-cap Japanese enterprises. The firm is headquartered in Tokyo, with a branch network across Japan catering to retail and institutional investors. As a wholly owned subsidiary of Mizuho Financial Group, which reported total assets of roughly ¥270 trillion ($1.8 trillion) in 2024, Mizuho Securities can draw on substantial balance-sheet capacity. The firm's venture activity, however, represents a small fraction of its overall business. No publicly disclosed fund vehicles, dedicated venture team size, or co-investment structures are documented in available primary sources. What distinguishes Mizuho Securities structurally is its position inside a regulated bank holding company, where venture capital operates alongside traditional debt underwriting. This architecture creates a deal pipeline few pure-play venture funds can replicate: the firm sees capital-raising needs and corporate carve-outs from Mizuho's lending book years before a startup would seek outside venture funding.

## Sectors

- Financial Services
- Venture Capital

## Questions

### How does Mizuho Securities source its venture deals?

Mizuho Securities sources early-stage investments primarily through the parent banking group's corporate relationships. As the securities arm of Mizuho Financial Group, it has visibility into the capital needs and strategic plans of thousands of Japanese corporations. That line of sight generates deal flow from corporate spin-outs, client referrals, and companies seeking a strategic financial partner ahead of a future IPO.

### Is Mizuho Securities a dedicated venture capital firm?

No. It is a full-service securities company within a global banking group. Venture capital represents a small direct-investment activity layered onto its core businesses of equity and bond trading, underwriting, M&A advisory, and retail brokerage. The firm does not market itself externally as a venture fund manager.

### What investment stage does Mizuho Securities target in venture?

Available disclosures point exclusively to early-stage venture capital. The firm lists four overlapping early-stage venture strategies. No growth-stage, late-stage, or buyout strategies appear in public descriptions of its direct investment activity.

### Which sectors does Mizuho Securities avoid?

The firm provides no public negative sector list. However, given its parent's regulated balance sheet and Japan's domestic market focus, sectors with heavy regulatory friction, such as defense technology or consumer cannabis, are absent from any disclosed activity.

### How is Mizuho Securities related to Mizuho Financial Group?

Mizuho Securities is a wholly owned subsidiary of Mizuho Financial Group, one of Japan's three mega-banks. It operates as the group's only comprehensive securities company, executing the group's equities, fixed-income, and investment banking strategy alongside the bank and trust arms.

## Related profiles

- [Mizuho Leasing](https://altss.com/profile/mizuho-leasing)
- [Mizuho Trust & Banking](https://altss.com/profile/mizuho-trust-banking)

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Last updated: 2026-08-11T02:43:31.692Z

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