B
Mercury Casualty Co
Brea,  CA
Rating Date
October 2025
NAIC
Classification
Property & Casualty
Risk Adjusted
Capital Ratio #1
1.25
Risk Adjusted
Capital Ratio #2
1.05
Loss
Ratio
82.78%
Total
Assets
4.17B
Capital
1.41B
Net
Premiums
999.96M
Net
Income
12.85M
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Weiss Ratings Mercury Casualty Co
Brea, CA 		Click to
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Rating B
Capitalization Index 7.10
Investment Safety Index --
Liquidity Index 7.20
Profitability Index 4.50
Reserve Adequacy Index 5.80
Stability Index 8.00
Company Info Mercury Casualty Co
Brea, CA 		Click to
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Industry P&C
NAIC Number 11908
Phone Number (714) 671-6600
Website --
Address 555 West Imperial Highway Brea, CA 92821
Balance Sheet Mercury Casualty Co
Brea, CA 		Click to
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Total Assets 4.17B
Capital and Reserves Mercury Casualty Co
Brea, CA 		Click to
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Risk-Adjusted Capital Ratio #1 1.25
Risk-Adjusted Capital Ratio #2 1.05
1-Year Reserve Development 470.00%
2-Year Reserve Development 270.00%
Capital 1.41B
Premium to Surplus 140.00%
Reserves to Surplus 110.00%
Investments Mercury Casualty Co
Brea, CA 		Click to
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Cash --
CMO & Structured Securities --
Common & Preferred Stock --
Invested Assets --
Investments in Affiliates 25.77%
Mortgages in Good Standing --
Non-Investment Grade Bonds --
Non-Performing Mortgages --
Other Investment Grade Bonds --
Other Investments --
Real Estate --
Operating Ratios Mercury Casualty Co
Brea, CA 		Click to
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Medical Loss Ratio --
Cash From Underwriting 110.00%
Combined Ratio 110.00%
Expense Ratio 20.00%
Loss Ratio 82.78%
Net Premium Growth 20.00%
Other Medical Mercury Casualty Co
Brea, CA 		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 Mercury Casualty Co
Brea, CA 		Click to
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Net Income 12.85M
Net Premium 999.96M
Health Premium --