Summary of Investments - Other Than Investments in Related Parties

12 Months Ended

Dec. 31, 2020

Summary Of Investments Other Than Investments In Related Parties [Abstract]

Summary of Investments - Other Than Investments in Related Parties

Schedule I – Summary of Investments – Other Than Investments in Related Parties

ALLEGHANY CORPORATION AND SUBSIDIARIES

December 31, 2020

Type of Investment	Cost		Fair Value		Amount at which shown in the Balance Sheet
			($ in millions)
Fixed maturities:
Bonds:
U.S. Government obligations	$	1,317.6	$	1,360.1	$	1,360.1
Municipal bonds		2,489.1		2,656.8		2,656.8
Foreign government obligations		846.6		879.5		879.5
U.S. corporate bonds		3,262.0		3,545.7		3,545.7
Foreign corporate bonds		1,268.3		1,323.1		1,323.1
Mortgage and asset-backed securities:
RMBS		2,533.6		2,611.4		2,611.4
CMBS		852.6		890.3		890.3
Other asset-backed securities		2,328.7		2,351.6		2,351.6
Fixed maturities		14,898.5		15,618.5		15,618.5
Equity securities:
Common stocks:
Public utilities		—		—		—
Banks, trust and insurance companies		236.7		307.7		307.7
Industrial, miscellaneous and all other		1,810.2		2,406.9		2,406.9
Nonredeemable preferred stocks		5.1		4.3		4.3
Equity securities		2,052.0		2,718.9		2,718.9
Commercial mortgage loans		670.2		670.2		670.2
Other invested assets		465.2		465.2		465.2
Short-term investments		714.2		714.2		714.2
Total investments	$	18,800.1	$	20,187.0	$	20,187.0