CONSOLIDATED BALANCE SHEETS (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Investment Securities:
Fixed maturity investments, at fair value	$ 2,019.3	$ 2,415.5
Short-term investments, at amortized cost	185.8	300.0
Common equity securities, at fair value	244.5	285.3
Convertible bonds, at fair value	80.9	93.8
Other investments	157.1	171.4
Total investments	2,687.6	3,266.0
Cash	63.0	33.6
Reinsurance recoverable on unpaid losses	2,239.1	1,893.2
Reinsurance recoverable on paid losses	13.7	44.5
Premiums receivable	243.7	275.0
Deferred acquisition costs	129.6	114.5
Ceded unearned premiums	11.5	113.9
Net deferred tax asset	122.2	101.2
Investment income accrued	13.3	19.4
Accounts receivable on unsettled investment sales	18.1	5.4
Other assets	260.3	300.0
Assets held for sale	123.2
Total assets	5,925.3	6,166.7
Liabilities
Loss and LAE reserves	3,458.9	3,295.5
Unearned premiums	559.4	627.5
Debt	269.7	419.6
Ceded reinsurance payable	24.3	149.3
Accounts payable on unsettled investment purchases	18.6	14.1
Other liabilities	381.8	411.8
Liabilities held for sale	98.2
Total liabilities	4,810.9	4,917.8
OneBeacon's common shareholders' equity:
Common shares and paid-in surplus (par value $0.01; authorized, 200,000,000 shares; issued and outstanding, 95,068,457 and 94,416,477 shares)	1,001.7	1,000.5
Retained earnings	97.9	228.2
Accumulated other comprehensive income, after tax:
Other comprehensive income and loss items	0.6	0.3
Total OneBeacon's common shareholders' equity	1,100.2	1,229.0
Total noncontrolling interests	14.2	19.9
Total OneBeacon's common shareholders' equity and noncontrolling interests	1,114.4	1,248.9
Total liabilities, OneBeacon's common shareholders' equity and noncontrolling interests	$ 5,925.3	$ 6,166.7