E
Keystone Mutual Ins Co
Rating Date
June 2026
NAIC
Classification
Property & Casualty
Risk Adjusted
Capital Ratio #1
0.15
Risk Adjusted
Capital Ratio #2
0.07
Loss
Ratio
-197.07%
Total
Assets
7.60M
Capital
872.11K
Net
Premiums
-950.70K
Net
Income
-719.22K
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Weiss Ratings Keystone Mutual Ins Co
Saint Louis, MO 		Click to
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Rating E
Capitalization Index 0.10
Investment Safety Index --
Liquidity Index 6.00
Profitability Index 1.30
Reserve Adequacy Index 0.40
Stability Index 0.00
Company Info Keystone Mutual Ins Co
Saint Louis, MO 		Click to
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Industry P&C
NAIC Number 13073
Phone Number (636) 549-3744
Website www.keystonemutual.com
Address 13537 Barrett Parkway Drive, Suite 345 Saint Louis, MO 63021
Balance Sheet Keystone Mutual Ins Co
Saint Louis, MO 		Click to
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Total Assets 7.60M
Capital and Reserves Keystone Mutual Ins Co
Saint Louis, MO 		Click to
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Risk-Adjusted Capital Ratio #1 0.15
Risk-Adjusted Capital Ratio #2 0.07
1-Year Reserve Development 5.90%
2-Year Reserve Development 103.10%
Capital 872.11K
Premium to Surplus -109.01%
Reserves to Surplus 256.49%
Investments Keystone Mutual Ins Co
Saint Louis, MO 		Click to
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Cash --
CMO & Structured Securities --
Common & Preferred Stock --
Invested Assets --
Investments in Affiliates --
Mortgages in Good Standing --
Non-Investment Grade Bonds --
Non-Performing Mortgages --
Other Investment Grade Bonds --
Other Investments --
Real Estate --
Operating Ratios Keystone Mutual Ins Co
Saint Louis, MO 		Click to
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Medical Loss Ratio --
Cash From Underwriting 105.95%
Combined Ratio -116.73%
Expense Ratio 80.33%
Loss Ratio -197.07%
Net Premium Growth -195.94%
Other Medical Keystone Mutual Ins Co
Saint Louis, MO 		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 Keystone Mutual Ins Co
Saint Louis, MO 		Click to
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Net Income -719.22K
Net Premium -950.70K
Health Premium --