B
Partners Mutual Ins Co
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
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Major Rating Factors: History of adequate reserve strength (6.7 on a scale of 0 to 10) as reserves have been consistently at an acceptable level. Good liquidity (6.3) with sufficient resources (cash flows and marketable investments) to handle a spike in claims. Good overall results on stability tests (5.1) despite negative cash flow from operations for 2025. Strengths include potentially strong support from affiliation with Pennsylvania National Mutual Casualty Ins Co.
Other Rating Factors: Fair profitability index (4.9) with operating losses during 2023 and 2024. Strong long-term capitalization index (7.9) based on excellent current risk adjusted capital (severe and moderate loss scenarios), despite some fluctuation in capital levels.
Stability Factors: D - Limited diversification of general business, policy, and/or investment risk. F - Negative cash flow. L - Past results on our liquidity tests. R - Concerns about the financial strength of its reinsurers.
Principal Lines of Business: Personal/comm auto (43.3%), homeowners (19.1%), work comp (8.7%), fire (7.6%), comm multi (7.3%), fin guar/surety (0.1%), other (13.9%)
Licensed in: IA, MI, MN, PA, WI
Principal Investments: Investment grade bonds (86.7%), cash (7.1%), common stock (5.9%), other (0.3%)
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
Investments in Affiliates
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Corporate Info
Group Affiliation
Pennsylvania National Mutual Casualty Ins Co
Investment Rating
--
Company Address
20935 Swenson Drive
Waukesha, WI 53186
Phone Number
(262) 798-5050
NAIC Number
13439
Largest Affiliates
A
Harrisburg, PA - P&C
A
Harrisburg, PA - P&C
B
Harrisburg, PA - P&C