Mizuho Securities presence
In a drastically changing world where social structures and the economic landscape are in constant flux, we provide sophisticated financial services in collaboration with group companies to address client concerns and business issues.
Our strengths
- Client-driven/client-centric consulting and services
- A professional organization possessing sophisticated expertise and knowledge
- Leveraging the group's collective strength to deliver optimal solutions
- The largest client base in Japan coupled with an industry-leading network of offices
- A global network and significant presence in the growing US market
Retail
Asset inflows
AUM
Wholesale
Bond Underwriting
Domestic Bonds from Public Offerings
Total Domestic Bonds from Public Offerings (Apr. 1, 2024 – Mar. 31, 2025)
Rank
Company Name
Amount (JPY bn)
Share(％)
1
Mizuho Securities
4,603.7
22.2
2
Daiwa Securities
4,451.0
21.5
3
SMBC Nikko Securities
4,262.1
20.5
4
Nomura Securities
3,253.5
15.7
5
Mitsubishi UFJ Morgan Stanley Securities
2,776.7
13.4
SDGS Bonds
Japan SDGs Bonds (Apr. 1, 2024 – Mar. 31, 2025)
Rank
Company Name
Amount (JPY bn)
Share(％)
1
Mizuho Securities
1,102.6
24.1
2
Daiwa Securities
1,080.6
23.7
3
SMBC Nikko Securities
902.4
19.8
4
Nomura Securities
847.9
18.6
5
Mitsubishi UFJ Morgan Stanley Securities
470.255
10.3
Subordinated bonds
Subordinated bonds(Apr. 1, 2024 – Mar. 31, 2025)
Rank
Company Name
Amount (JPY bn)
Share(％)
1
Mizuho Securities
327.2
24.5
2
SMBC Nikko Securities
314.3
23.6
3
Mitsubishi UFJ Morgan Stanley Securities
266.4
20.0
4
Nomura Securities
217.3
16.3
5
Daiwa Securities
208
15.6
IG USD-denominated Corporate Bonds (Americas)
IG USD-denominated Corporate Bonds (Americas) (Apr. 1, 2024 – Mar. 31, 2025)
Rank
Company Name
Amount (USD mn)
Share(％)
1
JPMorgan
65,474
10.1
2
BofA Securities
60,780
9.4
3
Citi
53,630
8.3
4
Wells Fargo
51,061
7.9
5
Goldman Sachs
36,028
5.5
6
Mizuho Financial Group
34,083
5.2
Equity Underwriting
Total Domestic and Cross–border Equities (Apr. 1, 2024– Mar. 31, 2025)
Rank
Company Name
Amount (JPY bn)
Share(％)
1
Nomura Holdings
1,686.7
28.2
2
SMBC Nikko Securities
906.4
15.1
3
Mizuho Financial Group
766.6
12.8
4
Mitsubishi UFJ Morgan Stanley Securities
718.2
12.0
5
Daiwa Securities Group Inc.
646.7
10.8
M&A Advisory
M&A Advisory for Announced Deals (Apr. 1, 2024 – Mar. 31, 2025)
Rank
Company Name
No. of deals
Amount (JPY bn)
1
Mitsubishi UFJ Morgan Stanley Securities
88
18,809.9
2
Nomura Securities
129
14,878.6
3
Goldman Sachs
26
13,235.6
4
Mizuho Financial Group
172
6,297.9
5
JPMorgan
22
5,429.4
6
Daiwa Securities Group Inc.
88
4,273.6
7
Sumitomo Mitsui Financial Group
117
3,168.4
Structured Finance
ABS Lead Manager (Apr. 1, 2024 – Mar. 31, 2025)
Rank
Company Name
No. of deals
Amount (JPY bn)
1
Mizuho Financial Group
151
1,057.0
2
Sumitomo Mitsui Trust Holdings
29
555.2
3
Mitsubishi UFJ Financial Group
35
426.7
4
Sumitomo Mitsui Financial Group
28
288.5
5
Daiwa Securities Group Inc.
11
202.2
IPO Bookrunner
IPO (Apr. 1, 2024 – Mar. 31, 2025)
Rank
Company Name
No. of deals
Amount (JPY bn)
1
Nomura Holdings
16
286.4
2
Daiwa Securities Group Inc.
16
239.2
3
Mizuho Financial Group
16
221.9
4
Morgan Stanley MUFG Securities
10
96.5
5
Mitsubishi UFJ Morgan Stanley Securities
11
96.3
Awards & Rankings
Awards
Award
(Publication)
Award details
Date
BEST DEALS OF 2024
(CAPIAL EYE)
＜Corporate Bond＞
BEST DEALS OF 2024
- Sony Group series 42 Unsecured Bonds
- Sony Group series 43 Unsecured Bonds
＜Municipal Bond＞
BEST DEALS OF 2024
- Aichi Prefecture Bond FY 2024 series 8
Special Award
- Nagasaki Prefecture Regular Redemption Bond FY 2024 series 4
＜Foreign Bond＞
BEST DEAL OF 2024
- Dai-ichi Life Insurance Subordinated Dollar Bond
Special Award 2024
- East Japan Railway Company EUR Bonds
- East Japan Railway Company GBP Bonds
＜Newly Listed Stocks＞
BEST DEAL OF 2024
- Tokyo Metro
＜Publicly Listed Stocks Offering/Sale＞
BEST DEAL OF 2024
- Honda Motor Co., Ltd.
＜Investment Corporation Investment Units Issuance/Sale＞
BEST DEAL OF 2024
- Invincible Investment Corporation
April
2025
DealWatch Awards 2024
(LSEG)
＜Bond＞
Bond House of the Year
- Mizuho Securities（5th consecutive year）
Bond of the Year
- SUMITOMO CHEMICAL COMPANY series 3 Subordinated Bonds
Innovative Debt Deal of the Year
- Japan Investment Adviser series 2 Unsecured Straight Bonds
＜Local Government Bond＞
Local Government Bond of the Year
- Joint Local Government Green Bond
＜Cross-border Bond＞
Cross-border Bond House of the Year
- Mizuho Securities（3nd consecutive year）
Offshore Bond of the Year
- Rakuten Group US Dollar-denominated Undated Subordinated NC5 Fixed Rate Reset Notes(Mizuho International)
Cross-border Yen Bond of the Year
- ROMANIA Japanese Yen Bonds First Series (2024) (Green bonds)
- ROMANIA Japanese Yen Bonds Second Series (2024) (Green bonds)
- ROMANIA Japanese Yen Bonds Third Series (2024) (Green bonds)
＜Sustainable Finance＞
Sustainable Finance House of the Year
- Mizuho Securities（5th consecutive year）
＜Equity＞
Equity-linked Product of the Year
- Kasumigaseki Capital Zero Coupon Convertible Bonds due 2029
(Mizuho International)
J-REIT Deal of the Year
- Invincible Investment Corporation
Innovative Equity Deal of the Year
- Astroscale Holdings
March
2025
Deals of the Year 2024
(J-Money)
＜Equity＞
Best IPO
- KOKUSAI ELECTRIC
Best Equity Follow-on
- Honda Motor Co., Ltd.
＜Bond＞
Best Yen Bond Deal
- SoftBank Group
Best International Bond Deal
- East Japan Railway Company
March
2025
Analyst Rankings
Publication
Award
Category
Date
Nikkei Veritas
38th Annual Survey on Most Popular Equity Analyst
(Overall Company Ranking) of Nikkei Veritas
Overall Company Ranking Voted #3
Source：Nikkei Veritas, March 7, 2026 issue
March 2026
Nikkei Veritas
Nikkei Veritas 31st Annual Survey on Most Popular Bond/Forex Analyst/Economist by company/group
Overall Company Ranking Voted #3
Source：Nikkei Veritas, March 14, 2026 issue
March 2026
FY2023
FY2023
FY2022
FY2022
Corporate Overview
Name
Mizuho Securities Co., Ltd.
Established
July 1917
Registration Number
Registered with the Director of the Kanto Local Finance Bureau of the Ministry of Finance (Kin-sho) No. 94
Main Business
Financial Instruments Business
Capital
JPY 125,167 million
Number of Employees
6,479 (as of March 31, 2026)
Head Offices
Head Office Location:
Otemachi First Square
1-5-1, Otemachi, Chiyoda-ku,
Tokyo 100-0004
Tel: +81-3-5208-3210
Network
Japan: 211 offices
Outside Japan: 20 offices
Stock Exchange Memberships
Tokyo Stock Exchange
Osaka Exchange
Nagoya Stock Exchange
Fukuoka Stock Exchange
Sapporo Securities Exchange
Tokyo Financial Exchange
Association Memberships
Japan Securities Dealers Association
Investment Management Association of Japan
The Financial Futures Association of Japan
Type II Financial Instruments Firms Association
Japan Security Token Offering Association
(as of April 1, 2026)
Head Office Locations
Otemachi and Marunouchi
Addresses and Access by Public Transportation
Otemachi First Square（Corporate Headquarters）
Address
Otemachi First Square
1–5–1, Otemachi, Chiyoda–ku,
Tokyo 100-0004
THE OTEMACHI TOWER
Address
Otemachi Tower
1–5–5, Otemachi, Chiyoda–ku,
Tokyo 100–8176
Mizuho Marunouchi Tower
Address
Mizuho Marunouchi Tower
1-3-3, Marunouchi, Chiyoda-ku,
Tokyo 100-8241
Corporate History
Leadership
Members of the Board of Directors
Executive Officers and Operating Officers
(As of April 1, 2026)
Notes：
1. * indicates directors concurrently serving as executive officers.
2. Mr. Seiji Koga, Mr. Hiroyuki Suzuki, Ms. Miwa Ohmori and Mr. Hideki Miyazaki are "outside directors" as provided for in Article 2, Item 15 of the Companies Act of Japan.
3. Positions below the level of general manager are not listed.
4. Operating officers are listed only if they hold a position at a certain level or higher.
Organizational Structure
(as of April 1, 2026)
Network and Affiliates in Japan
Network in Japan
Leveraging our retail branch network and wholesale offices in Japan, we cater to the investment banking and asset management needs of individuals and institutions.