B
Mercury Casualty Co
Brea,  CA
Rating Date
June 2026
NAIC
Classification
Risk Adjusted
Capital Ratio #1
Risk Adjusted
Capital Ratio #2
Loss
Ratio
Total
Assets
Capital
Net
Premiums
Net
Income
Weiss Ratings Mercury Casualty Co
Brea, CA
Click to
Compare
Click to
Compare
Click to
Compare
Rating B
Capitalization Index 7.10
Investment Safety Index --
Liquidity Index 6.90
Profitability Index 4.80
Reserve Adequacy Index 5.90
Stability Index 8.70
Company Info Mercury Casualty Co
Brea, CA
Click to
Compare
Click to
Compare
Click to
Compare
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
Compare
Click to
Compare
Click to
Compare
Total Assets 4.54B
Capital and Reserves Mercury Casualty Co
Brea, CA
Click to
Compare
Click to
Compare
Click to
Compare
Risk-Adjusted Capital Ratio #1 1.38
Risk-Adjusted Capital Ratio #2 1.17
1-Year Reserve Development -2.36%
2-Year Reserve Development 2.78%
Capital 1.69B
Premium to Surplus 114.50%
Reserves to Surplus 102.09%
Investments Mercury Casualty Co
Brea, CA
Click to
Compare
Click to
Compare
Click to
Compare
Cash --
CMO & Structured Securities --
Common & Preferred Stock --
Invested Assets --
Investments in Affiliates 24.94%
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
Compare
Click to
Compare
Click to
Compare
Medical Loss Ratio --
Cash From Underwriting 113.36%
Combined Ratio 105.33%
Expense Ratio 24.09%
Loss Ratio 81.24%
Net Premium Growth 5.64%
Other Medical Mercury Casualty Co
Brea, CA
Click to
Compare
Click to
Compare
Click to
Compare
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
Compare
Click to
Compare
Click to
Compare
Net Income 365.74M
Net Premium 1.93B
Health Premium --