B
Liberty Mutual Ins Co
Boston,  MA
Rating Date
June 2026
NAIC
Classification
Property & Casualty
Risk Adjusted
Capital Ratio #1
1.82
Risk Adjusted
Capital Ratio #2
1.60
Loss
Ratio
56.56%
Total
Assets
79.16B
Capital
33.06B
Net
Premiums
18.61B
Net
Income
3.36B
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Weiss Ratings Liberty Mutual Ins Co
Boston, MA 		Click to
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Rating B
Capitalization Index 7.50
Investment Safety Index --
Liquidity Index 6.60
Profitability Index 7.20
Reserve Adequacy Index 7.00
Stability Index 7.40
Company Info Liberty Mutual Ins Co
Boston, MA 		Click to
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Industry P&C
NAIC Number 23043
Phone Number (617) 357-9500
Website www.libertymutualgroup.com
Address 175 Berkeley Street Boston, MA 02116
Balance Sheet Liberty Mutual Ins Co
Boston, MA 		Click to
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Total Assets 79.16B
Capital and Reserves Liberty Mutual Ins Co
Boston, MA 		Click to
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Risk-Adjusted Capital Ratio #1 1.82
Risk-Adjusted Capital Ratio #2 1.60
1-Year Reserve Development -410.00%
2-Year Reserve Development -240.00%
Capital 33.06B
Premium to Surplus 60.00%
Reserves to Surplus 90.00%
Investments Liberty Mutual Ins Co
Boston, MA 		Click to
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Cash --
CMO & Structured Securities --
Common & Preferred Stock --
Invested Assets --
Investments in Affiliates 26.31%
Mortgages in Good Standing --
Non-Investment Grade Bonds --
Non-Performing Mortgages --
Other Investment Grade Bonds --
Other Investments --
Real Estate --
Operating Ratios Liberty Mutual Ins Co
Boston, MA 		Click to
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Medical Loss Ratio --
Cash From Underwriting 110.00%
Combined Ratio 90.00%
Expense Ratio 40.00%
Loss Ratio 56.56%
Net Premium Growth 0.00%
Other Medical Liberty Mutual Ins Co
Boston, MA 		Click to
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Bonus Pay --
Capitation Pay --
Contractual Pay --
Enrollment --
Fee For Service --
Medical Expense Per Member Per Month --
Network Physicians --
Other Pay --
Salary Pay --
Total Patient Encounters - Physician --
Total Patient Encounters-Non-Physician --
Profitability Liberty Mutual Ins Co
Boston, MA 		Click to
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Net Income 3.36B
Net Premium 18.61B
Health Premium --