Mizuho Financial Group (MFG) files Form 13F showing $11.8M in reportable positions

Rhea-AI Filing Summary

Mizuho Financial Group Inc., an institutional investment manager, filed a Form 13F combination report detailing a portion of its U.S. reportable securities positions, with remaining holdings reported by other managers. The filing lists 14 reportable positions with an aggregate reported value of $11,775,638.

The report identifies 1 other included manager, Mizuho Securities Co. Ltd., and several additional managers that separately report portions of the group’s holdings, reflecting a shared reporting structure across the Mizuho organization.

Key Figures

Form 13F information table value total: $11,775,638 Form 13F information table entry total: 14 positions Other included managers: 1 manager +1 more

4 metrics

Form 13F information table value total $11,775,638 Aggregate value of reportable positions in this 13F combination report

Form 13F information table entry total 14 positions Number of reportable securities positions included in this filing

Other included managers 1 manager Mizuho Securities Co. Ltd. listed as other included manager

Other reporting managers listed 7 managers Seven additional managers reporting separate portions of holdings

Key Terms

Form 13F, Institutional Investment Manager, 13F Combination Report, Form 13F File Number

4 terms

Form 13F regulatory

"Form 13F Information Table Entry Total"

A Form 13F is a quarterly filing that large investment managers must submit to disclose their holdings in publicly traded stocks and certain other securities. It acts like a peek into the portfolios of big investors, helping other market participants see what large players are buying or selling and offering clues about investment trends, crowded trades, and potential market impact.

Institutional Investment Manager regulatory

"The institutional investment manager filing this report"

13F Combination Report regulatory

"13F COMBINATION REPORT. (Check here if a portion of the holdings"

Form 13F File Number regulatory

"Form 13F File Number: | 028-14124"

FAQ

What does Mizuho Financial Group (MFG) report in this Form 13F?

Mizuho Financial Group reports 14 U.S. reportable securities positions with an aggregate value of $11,775,638. This Form 13F is a combination report, meaning some holdings are reported by other affiliated managers.

How large are Mizuho Financial Group’s reported 13F holdings for MFG?

The filing shows a Form 13F information table value total of $11,775,638. This reflects the aggregate fair value of the 14 reportable positions included in this specific combination report filing.

What type of 13F report did Mizuho Financial Group (MFG) file?

Mizuho Financial Group filed a 13F Combination Report. This indicates that only a portion of its eligible holdings is reported here, with remaining reportable holdings disclosed by other affiliated institutional investment managers.

How many other managers are included in Mizuho Financial Group’s (MFG) 13F filing?

The summary lists 1 other included manager, Mizuho Securities Co. Ltd.. Additional related managers such as Mizuho Bank, Ltd. and Asset Management One Co., Ltd. report their respective portions separately.

Who signed the Mizuho Financial Group (MFG) Form 13F and in what capacity?

The report is signed by Takahiro Katsura, identified as MD, Global Corporate Function Coordination Dep. This signature certifies that the information provided is true, correct, and complete to the best of the firm’s knowledge.

Which affiliated entities are associated with Mizuho Financial Group’s (MFG) 13F reporting?

Affiliated managers listed include Mizuho Bank, Ltd., Asset Management One Co., Ltd., Mizuho Securities USA LLC, and others, reflecting a distributed reporting framework across the Mizuho group’s investment platforms.

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Available on EDGAR 08/14/2026 - 06:13 AM Accepted by SEC EDGAR 08/14/2026 - 06:13 AM Learn about SEC filing dates

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL

OMB Number:			3235-0006
Estimated average burden
hours per response:			23.8

Report for the Calendar Year or Quarter Ended: 06-30-2026

Check here if Amendment		Amendment Number:
This Amendment (Check only one.):		is a restatement.
		adds new holdings entries.

Institutional Investment Manager Filing this Report:
Name:	MIZUHO FINANCIAL GROUP INC
Address:	1-5-5, OTEMACHI
	CHIYODA-KU, TOKYO, M0 100-8176
Form 13F File Number:	028-14124
CRD Number (if applicable):
SEC File Number (if applicable):

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name:		Takahiro Katsura
Title:		MD, Global Corporate Function Coordination Dep.
Phone:		81-3-5220-7725
Signature, Place, and Date of Signing:
/s/ Takahiro Katsura			Tokyo, M0	08-14-2026
[Signature]			[City, State]	[Date]

Report Type (Check only one.):
	13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
	13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
X	13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

List of Other Managers Reporting for this Manager: [If there are no entries in this list, omit this section.]
		Name	Form 13F File No.	CRD No. (if applicable)	SEC File No. (if applicable)	CIK
		Mizuho Bank, Ltd.	028-14226			0001512734
		Asset Management One Co., Ltd.	028-07332	000110843	801-55047	0001068855
		MIZUHO SECURITIES USA LLC	028-25682	000019647	8-37710	0000812291
		Mizuho Markets Cayman LP	028-19904			0001803149
		MIZUHO MARKETS AMERICAS LLC	028-20530			0001825516
		PayPay Securities Corp	028-22802			0001908623
		PPSC Investment Service Corp	028-22801			0001964389
		Rakuten Securities, Inc.	028-23558			0002009539

Form 13F Summary Page
	Report Summary:
	Number of Other Included Managers:		1
	Form 13F Information Table Entry Total:		14
	Form 13F Information Table Value Total:		11,775,638
			(round to nearest dollar)

List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]
	No.	Name	Form 13F File No.	CRD No. (if applicable)	SEC File No. (if applicable)	CIK
	1	Mizuho Securities Co. Ltd.	028-19142			0001520309