C
WI River Mutual Ins Co
Rating Date
October 2025
NAIC
Classification
Risk Adjusted
Capital Ratio #1
Risk Adjusted
Capital Ratio #2
Loss
Ratio
Total
Assets
Capital
Net
Premiums
Net
Income
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Major Rating Factors: Weak overall results on stability tests (1.6 on a scale of 0 to 10) including weak results on operational trends and negative cash flow from operations for 2024. Fair reserve development (4.4) as reserves have generally been sufficient to cover claims. Strong long-term capitalization index (9.2) based on excellent current risk adjusted capital (severe and moderate loss scenarios). Moreover, capital levels have been consistent in recent years.
Other Rating Factors: Excellent profitability index (8.3) despite modest operating losses during the first six months of 2025. Excellent liquidity (7.2) with ample operational cash flow and liquid investments.
Stability Factors: D - Limited diversification of general business, policy, and/or investment risk. F - Negative cash flow. R - Concerns about the financial strength of its reinsurers. T - Significant trends in critical asset, liability, income or expense items.
Principal Lines of Business: Homeowners (38.5%), farmowners (33.1%), fire (9.4%), personal/comm auto (7.8%), comm multi (3.4%), other (7.8%)
Licensed in: WI
Principal Investments: Investment grade bonds (65.7%), common stock (18.2%), cash (13.5%), non investment grade bonds (0.7%), other (1.9%)
Ratios
Premium to Surplus
Reserve to Surplus
1-Year Reserve Development
2-Year Reserve Development
Expense Ratio
Combined Ratio
Cash From Underwriting
Net Premium Growth
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Investments in Affiliates
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Corporate Info
Group Affiliation
Mt Morris Mutual Ins Co
Investment Rating
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Company Address
431 Water Street
Prairie du Sac, WI 53578
Phone Number
(608) 644-1900
NAIC Number
11741
Largest Affiliates
C
Coloma, WI - P&C
C
D
Bloomington, WI - P&C