Repurchase agreements and securities lending transactions accounted for as secured borrowings (Tables)

12 Months Ended

Mar. 31, 2026

Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]

Gross Amounts of Liabilities by Remaining Contractual Maturity

The following table shows the gross amounts of liabilities associated with repurchase agreements and securities lending transactions, by remaining contractual maturity at March 31, 2025 and 2026:


	Overnight and continuous		Up to 30 days		31-90 days		Greater than 90 days		Total
	(in billions of yen)
2025
Repurchase agreements		16,755		17,725		1,986		1,929		38,395
Securities lending transactions		1,303		302		—		70		1,675

Total		18,058		18,027		1,986		1,999		40,070

2026
Repurchase agreements		20,073		14,076		1,923		1,659		37,732
Securities lending transactions		1,771		198		—		99		2,067

Total		21,844		14,274		1,923		1,758		39,799

Gross Amounts of Liabilities by Class of Underlying Collateral

The following table shows the gross amounts of liabilities associated with repurchase agreements and securities lending transactions, by class of underlying collateral at March 31, 2025 and 2026:


	Repurchase agreements		Securities lending transactions
	(in billions of yen)
2025
Japanese government bonds and Japanese local government bonds		6,556		77
Foreign government bonds and foreign agency mortgage-backed securities		29,467		302
Commercial paper and corporate bonds		734		—
Equity securities		902		1,296
Other		736		—

Total (Note)		38,395		1,675

2026
Japanese government bonds and Japanese local government bonds		6,276		15
Foreign government bonds and foreign agency mortgage-backed securities		27,984		252
Commercial paper and corporate bonds		835		—
Equity securities		989		1,801
Other		1,648		—

Total (Note)		37,732		2,067

Note:

The above table does not include

securities-for-securities

lending transactions of ¥125 billion at March 31, 2025 and ¥

billion at March 31, 2026, where the MHFG Group acts as lender and receives securities that can be sold or pledged as collateral. In these transactions, the Group recognizes the securities received at fair value within Other assets and the obligation to return those securities as a liability within Other liabilities.