C
Argonaut Ins Co
ChicagoIL
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: Good long-term capitalization index (6.8 on a scale of 0 to 10) based on good current risk adjusted capital (moderate loss scenarios) reflecting significant improvement over results in 2022. Fair reserve development (3.0) as the level of reserves has at times been insufficient to cover claims. Deficiencies in the two year reserve development occurred in three of the previous five years and ranged between 25.1% and 31.8%. Fair profitability index (3.7) with operating losses during 2022 and 2024.
Other Rating Factors: Good overall results on stability tests (5.7) despite excessive premium growth and weak risk adjusted capital in prior years. Good liquidity (7.0) with sufficient resources (cash flows and marketable investments) to handle a spike in claims.
Stability Factors: C - Past results on our Risk-Adjusted Capital tests. G - Fast asset or premium growth. T - Significant trends in critical asset, liability, income or expense items.
Principal Lines of Business: Personal/comm auto (25.4%), comm multi (17.7%), work comp (17.5%), fire (4.8%), fin guar/surety (3.4%), homeowners (1.3%), product liab. (0.4%), other (29.6%)
Licensed in: All states and GU, PR, VI
Principal Investments: Investment grade bonds (52.9%), common stock (25.7%), cash (2.1%), non investment grade bonds (1.5%), preferred stock (0.9%), other (16.8%)
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
Corporate Info
Group Affiliation
Brookfield Corporation
Investment Rating
BN
Company Address
24 E Washington St
Chicago, IL 60602
Phone Number
(800) 470-7958
NAIC Number
19801
Largest Affiliates
C
WEST DES MOINES, IA - L&A
D
GALVESTON, TX - L&A
C
WEST DES MOINES, IA - L&A
B
Chicago, IL - P&C