Segment and geographic information (Tables)

6 Months Ended

Sep. 30, 2025

Segment and Geographic Information [Abstract]

Business segments' results

	Millions of yen
	Wealth Management		Investment Management			Wholesale		Banking		Other (Incl. elimination)		Total
Six months ended September 30, 2024
Non-interest revenue	¥	216,885	¥	105,150		¥	493,208	¥	18,043	¥	76,650	¥	909,936
Net interest revenue		5,132		(1,393	)		15,019		5,434		5,634		29,826
Net revenue		222,017		103,757			508,227		23,477		82,284		939,762
Non-interest expenses(1)		136,578		48,643			441,812		14,832		59,963		701,828
Income before income taxes	¥	85,439	¥	55,114		¥	66,415	¥	8,645	¥	22,321	¥	237,934
Six months ended September 30, 2025
Non-interest revenue	¥	215,552	¥	114,308		¥	530,373	¥	20,461	¥	133,086	¥	1,013,780
Net interest revenue		6,719		(2,909	)		9,882		5,235		4,440		23,367
Net revenue		222,271		111,399			540,255		25,696		137,526		1,037,147
Non-interest expenses(1)		137,993		59,161			445,207		18,902		80,587		741,850
Income before income taxes	¥	84,278	¥	52,238		¥	95,048	¥	6,794	¥	56,939	¥	295,297

(1) Includes primarily personnel expenses, occupancy, technology, and professional fees.

Major components of Income (loss) before income taxes in "Other"

The following table presents the major components of Income before income taxes in “Other.”

	Millions of yen
	Six months ended September 30
	2024			2025
Net gain (loss) related to economic hedging transactions	¥	(1,027	)	¥	901
Realized gain on investments in equity securities held for operating purposes		496			2,214
Equity in earnings of affiliates		26,351			24,769
Corporate items		187			(26,818	)
Other(1)(2)		(3,686	)		55,873
Total	¥	22,321		¥	56,939

(1) Includes the impact of Nomura’s own creditworthiness.

(2) On April 10, 2025, Nomura sold certain land and buildings located in Takanawa 2-chome, Minato-ku, Tokyo, for the effective utilization of its assets. The transaction counterparties included Nomura Real Estate Development Co., Ltd., a subsidiary of Nomura Real Estate Holdings, Inc., an affiliated company, and a third party financing company. Nomura considers the entire transaction to be with a related party. As a result of the sale, a gain of ¥56,144 million is included in Revenue—Other in the consolidated statements of income for the six months ended September 30, 2025.

Reconciliation of combined business segments' results included in preceding table to reported net revenue, non-interest expenses and income before income taxes

The table below presents reconciliations of the combined business segments’ results included in the preceding table to Nomura’s reported Net revenue, Non-interest expenses and Income before income taxes in the consolidated statements of income.

	Millions of yen
	Six months ended September 30
	2024			2025
Net revenue	¥	939,762		¥	1,037,147
Unrealized gain (loss) on investments in equity securities held for operating purposes		(1,993	)		1,630
Consolidated net revenue	¥	937,769		¥	1,038,777
Non-interest expenses	¥	701,828		¥	741,850
Unrealized gain (loss) on investments in equity securities held for operating purposes		—			—
Consolidated non-interest expenses	¥	701,828		¥	741,850
Income before income taxes	¥	237,934		¥	295,297
Unrealized gain (loss) on investments in equity securities held for operating purposes		(1,993	)		1,630
Consolidated income before income taxes	¥	235,941		¥	296,927

Geographic allocation of net revenue and income (loss) before income taxes from operations by geographic areas, and long-lived assets

	Millions of yen
	Six months ended September 30
	2024			2025
Net revenue(1):
Americas	¥	292,423		¥	314,355
Europe		177,770			111,711
Asia and Oceania		23,467			65,150
Subtotal		493,660			491,216
Japan		444,109			547,561
Consolidated	¥	937,769		¥	1,038,777
Income (loss) before income taxes:
Americas	¥	33,120		¥	44,659
Europe		(1,804	)		(6,655	)
Asia and Oceania		25,398			34,335
Subtotal		56,714			72,339
Japan		179,227			224,588
Consolidated	¥	235,941		¥	296,927

(1) There is no revenue derived from transactions with a single major external customer.

	Millions of yen
	March 31, 2025		September 30, 2025
Long-lived assets:
Americas	¥	111,312	¥	99,275
Europe		55,515		56,535
Asia and Oceania		31,656		41,967
Subtotal		198,483		197,777
Japan		270,693		277,400
Consolidated	¥	469,176	¥	475,177