B
Atlantic Casualty 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
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Major Rating Factors: Good long-term capitalization index (5.3 on a scale of 0 to 10) based on good current risk adjusted capital (severe loss scenarios), although results have slipped from the excellent range during the last year. Good liquidity (6.8) with sufficient resources (cash flows and marketable investments) to handle a spike in claims. Fair reserve development (3.4) as reserves have generally been sufficient to cover claims. In 2025 the two year reserve development was 24.9% deficient.
Other Rating Factors: Fair profitability index (4.1) with operating losses during 2025. Excellent overall results on stability tests (7.8). Strengths include potentially strong support from affiliation with Auto-Owners Ins Group, excellent operational trends and excellent risk diversification.
Stability Factors: C - Past results on our Risk-Adjusted Capital tests.
Principal Lines of Business: Personal/comm auto (28.3%), comm multi (24.2%), fire (4.5%), other (43.0%)
Licensed in: NC
Principal Investments: Investment grade bonds (91.1%), common stock (5.4%), cash (1.6%), non investment grade bonds (0.3%), other (1.6%)
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
Auto-Owners Ins Group
Investment Rating
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Company Address
400 Commerce Court
Goldsboro, NC 27534
Phone Number
(919) 759-3200
NAIC Number
42846
Largest Affiliates
A
Lansing, MI - P&C
A
Lansing, MI - P&C
B
LANSING, MI - L&A
A
Lansing, MI - P&C
B
Lansing, MI - P&C