Non-trading securities (Tables)

6 Months Ended

Sep. 30, 2016

Non-trading securities

Non-trading securities reconciliation

	Millions of yen
	March 31, 2016
	Cost  and/or amortized cost		Unrealized gains and losses				Fair value
			Gross unrealized gains		Gross unrealized losses
Government, agency and municipal securities(1)	¥	84,926	¥	4,046	¥	162	¥	88,810
Other debt securities(2)		161,685		14,078		1,251		174,512
Equity securities(3)		42,132		24,101		233		66,000
Total	¥	288,743	¥	42,225	¥	1,646	¥	329,322
	Millions of yen
	September 30, 2016
	Cost  and/or amortized cost		Unrealized gains and losses				Fair value
			Gross unrealized gains		Gross unrealized losses
Government, agency and municipal securities(1)	¥	76,764	¥	2,036	¥	466	¥	78,334
Other debt securities(2)		140,648		5,356		4,351		141,653
Equity securities(3)		40,250		20,258		283		60,225
Total	¥	257,662	¥	27,650	¥	5,100	¥	280,212

(1) Primarily Japanese government, agency and municipal securities.

(2) Primarily corporate debt securities.

(3) Primarily Japanese equities

Fair value of residual contractual maturity of non-trading debt securities

	Millions of yen
	September 30, 2016
	Total		Years to maturity
			Less than 1 year		1 to 5 years		5 to 10 years		More than 10 years
Non-trading debt securities	¥	219,987	¥	45,799	¥	101,164	¥	51,208	¥	21,816

Fair value and gross unrealized losses of non-trading securities

	Millions of yen
	March 31, 2016
	Less than 12 months				More than 12 months				Total
	Fair value		Gross unrealized losses		Fair value		Gross unrealized losses		Fair value		Gross unrealized losses
Government, agency and municipal securities	¥	4,611	¥	159	¥	13,673	¥	3	¥	18,284	¥	162
Other debt securities		35,606		1,251		—		—		35,606		1,251
Equity securities		4,113		233		—		—		4,113		233
Total	¥	44,330	¥	1,643	¥	13,673	¥	3	¥	58,003	¥	1,646
	Millions of yen
	September 30, 2016
	Less than 12 months				More than 12 months				Total
	Fair value		Gross unrealized losses		Fair value		Gross unrealized losses		Fair value		Gross unrealized losses
Government, agency and municipal securities	¥	3,632	¥	466	¥	—	¥	—	¥	3,632	¥	466
Other debt securities		48,439		4,351		—		—		48,439		4,351
Equity securities		3,820		283		—		—		3,820		283
Total	¥	55,891	¥	5,100	¥	—	¥	—	¥	55,891	¥	5,100